She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI-Native Product Engineer

Salary

Not Disclosed + Equity

Company Description

Seed-stage fintech infrastructure startup

Job Description

Join a fast-moving team building a unified data layer for complex financial reporting. As an AI-native engineer, you will leverage agentic development tools to ship features across the full stack while maintaining rigorous data integrity. You will own the judgment calls that turn AI-generated code into a trusted foundation for institutional decision-making.

Location

New York, USA

Why this role is remarkable

• Pioneer an AI-native engineering workflow, running multiple agents in parallel to achieve throughput far beyond traditional development cycles.
• Work at a seed-stage company with real customers and high financial stakes where data accuracy is the primary competitive moat.
• Join a high-ownership environment where you collaborate directly with leadership to shape the core architecture of an AI-first fintech organization.

What you will do

• Build and ship complex product modules and UI components using agentic development tools like Claude Code and a purpose-built skills library.
• Manage multiple parallel agent workstreams, conducting meticulous diff reviews to ensure every deploy meets strict behavioral testing standards.
• Maintain a clean boundary between the product surface area and core calculation logic by collaborating closely with internal data engineering teams.

The ideal candidate

• 4+ years of full-stack experience (React/TypeScript and Python) with a track record of shipping polished, user-centric product surfaces.
• Proven experience using agentic coding tools like Claude Code or Cursor as a primary development workflow to ship production-ready features.
• A quality-first mindset characterized by assuming AI agents make mistakes and proactively writing behavioral tests to prevent regression risks.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

€70k-€90k + Equity

Company Description

Ooak Data is a YC-backed startup building Alexandria, the world's largest library of real-world business workflow datasets, to enable reliable AI agent automation for complex enterprise environments.

Job Description

As a founding Software Engineer at Ooak Data, you will own the platform layer, designing and scaling the web applications, APIs, and data pipelines that power Alexandria. Working directly with the CTO, you'll define technical standards and architecture for real-world business workflow datasets, directly shaping the future of AI automation.

Location

Paris, France

Why this role is remarkable

• Play a pivotal role as a founding engineer at a Y Combinator-backed startup at the cutting edge of the AI agent revolution.
• High-impact ownership over a greenfield platform building the world's largest library of anonymized business workflow datasets.
• Dynamic, fast-paced environment in central Paris with a direct line to founders and a culture rooted in trust and ambition.

What you will do

• Design, build, and scale robust back-end services and APIs to power complex data pipelines and RL environments.
• Develop clean, reactive front-end interfaces for critical data curation, annotation, and monitoring tools using modern web frameworks.
• Define core technical standards and architecture, making high-stakes decisions on tech stack, scalability, and DevOps practices.

The ideal candidate

• 4+ years of professional software engineering experience with deep expertise in TypeScript and Python, and ideally some Rust.
• Proven track record of delivering end-to-end projects using Node.js, modern front-end frameworks like React or SvelteKit, and PostgreSQL.
• Entrepreneurial mindset with the ability to thrive in a demanding startup environment and a desire to mentor future engineering hires.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$150k-$250k + Equity

Company Description

Cascade is a pre-seed startup backed by a16z Speedrun that is transforming the $13T construction industry with an AI orchestration layer. Founded by former Google ML experts, the company has scaled from $0 to over $200K in contracted ARR within just three months of launching its predictive engine.

Job Description

As a Founding Engineer at Cascade, you will build the prediction engine that identifies multi-billion dollar construction opportunities. You’ll sit alongside the founders, shipping end-to-end features and leveraging LLMs to analyze billions of signals. This is a high-ownership role for a builder eager to define the tech stack and culture of a generational company.

Location

New York, USA

Why this role is remarkable

• Work at a high-growth startup backed by a16z Speedrun that achieved $201K ARR in its first three months of operation.
• Collaborate directly with founders Hannia Zia (Forbes 30 Under 30, ex-Google Search ML) and Joana Ferreira (ex-Google and Amazon engineer).
• Influence the physical world by building software used by the architects and builders behind major infrastructure like JFK, LaGuardia, and nuclear reactors.

What you will do

• Develop and refine the AI orchestration layer to predict major construction projects using non-obvious signals like demographic shifts and life events.
• Own the full product lifecycle from initial idea to production, shipping end-to-end features with extreme speed and autonomy.
• Shape the technical roadmap and company culture while sitting next to the founders in a collaborative, in-person environment.

The ideal candidate

• Possesses hands-on experience with LLMs and a strong desire to own the entire technical stack, including direct customer interactions.
• Demonstrates an entrepreneurial spirit, ideally having worked at an early-stage startup or having started their own company previously.
• Is based in New York and thrives in a fast-paced environment where shipping functional code is prioritized over perfecting unused software.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Operations Lead

Salary

£70k-£90k + Equity

Company Description

Rivan Industries is a vertically integrated synthetic fuel company on a mission to decarbonise industries that cannot be electrified. They have recently deployed the UK’s largest synthetic fuel plant and are scaling their modular manufacturing 1000x over the next two years to produce cost-competitive alternatives to fossil fuels.

Job Description

As the Operations Lead, you will build the foundational systems required to scale a pioneer in synthetic fuel production. You'll own critical workflows across manufacturing, legal, and hiring, ensuring Rivan Industries maintains elite execution as it expands its 50,000 sq ft facility. This is a high-intensity role for a technically-minded operator ready to drive real-world decarbonisation.

Location

London, UK

Why this role is remarkable

• Work at the forefront of the energy transition with the company that deployed the UK’s largest synthetic fuel plant.
• Join an elite, high-intensity team with a clear 10-year path to making synthetic fuels cheaper than fossil fuels.
• Exceptional compensation package including a relocation/living stipend of £6,000 per year and significant equity in a rapidly scaling hardware company.

What you will do

• Oversee the day-to-day operations and architectural workflows of a new 50,000 sq ft manufacturing facility in London.
• Own the legal function, managing commercial contracts, supplier agreements, and compliance while coordinating with external counsel.
• Build cross-company automations to integrate engineering, manufacturing, and finance functions into a seamless execution engine.

The ideal candidate

• Proven experience building and scaling operations functions within a fast-paced, venture-backed startup environment.
• A technically-minded executor with "scar tissue" from managing complex hardware or manufacturing foundations through exponential growth.
• A curious builder who tinkers on side projects and demonstrates a deep urge to solve massive, real-world climate challenges.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior AI QA Engineer

Salary

£60,000-£70,000

Company Description

Chip Financial Ltd is an FCA-regulated high-growth fintech building the UK’s premier investment super app for over 500,000 users. Focused on AI-driven wealth management, the company is scaling its platform to offer intelligent, personalized financial tools within a robust, distributed microservices architecture on AWS.

Job Description

Join Chip Financial Ltd to lead quality for our AI-driven wealth management platform. You will own the strategy for non-deterministic, LLM-powered features, building automation frameworks and performance testing suites across a TypeScript microservices architecture. This is a high-impact role for an engineer who excels at shifting quality left in a fast-paced environment.

Location

London, UK

Why this role is remarkable

• Lead the quality strategy for a cutting-edge investment super app, moving beyond traditional test cases to shape how a regulated fintech delivers AI-driven personalization.
• Tackle unique engineering challenges by validating non-deterministic agentic systems, managing LLM hallucinations, and ensuring safety in a probabilistic wealth management environment.
• Join a high-traction, FCA-regulated scale-up with 500k+ users and a fast-moving culture that rewards ownership, independence, and an early Friday finish.

What you will do

• Define and execute the end-to-end quality strategy for the Wealth Management business line, embedding testing early in the architecture and product design phases.
• Architect and scale automated testing frameworks for TypeScript microservices and APIs on AWS, enabling developer self-sufficiency and maintaining high-velocity CI/CD pipelines.
• Own performance testing using tools like K6 to design realistic load models, analyze results, and partner with engineering to optimize distributed system reliability.

The ideal candidate

• Brings over 7 years of QA experience with a track record of owning quality strategy for complex, modern service-oriented architectures rather than just executing plans.
• Possesses deep technical proficiency in TypeScript or a similar language, with hands-on experience building automated test suites for distributed microservices and AWS infrastructure.
• Demonstrates a strong understanding of testing AI systems, including validation strategies for non-deterministic outputs, output quality scoring, and proactive observability using tools like Datadog.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Engineer (Generalist)

Salary

$180K-$250K + Equity

Company Description

BUILD, Inc. is a seed-stage venture creating the agentic AI stack for institutional real estate, backed by Index Ventures and c-suite leaders from OpenAI and Blackstone. Already generating 7-figure revenue, the team is automating complex development and acquisitions workflows 90% faster than traditional human processes for trillion-dollar asset managers.

Job Description

You will own end-to-end agentic workflows, from prototype to production, building visual reasoning and multi-agent systems that solve real-world problems. Partnering with domain experts and institutional customers, you’ll translate complex real estate tasks into high-performance software, driving the next generation of automation for the built world’s most significant projects.

Location

San Francisco, USA

Why this role is remarkable

• Work at the frontier of agentic AI with a team including leadership experience from 11x.ai’s rapid scale-up and backing from heavyweights like Index Ventures.
• Experience radical autonomy and high-stakes ownership in a seed-stage startup that has already achieved 7-figure revenue and is rapidly approaching 8-figures.
• Solve hard, unsolved problems where AI meets the physical world, directly impacting massive global infrastructure, energy, and industrial projects through autonomous workflows.

What you will do

• Design, build, and deploy production-grade AI agents using Python and LangGraph to handle complex, long-running real estate development workflows.
• Own and ship full-stack features end-to-end, managing everything from backend agent reasoning logic to polished, high-utility frontend user surfaces.
• Collaborate directly with institutional customers to translate multi-week manual processes into automated outcomes that scale across trillion-dollar asset portfolios.

The ideal candidate

• Has 3-5 years of engineering experience, ideally within high-growth vertical AI companies or elite engineering cultures like Ramp, Scale AI, or Glean.
• Demonstrates a proven track record of shipping production-grade LLM or agentic systems that deliver measurable value to real-world end users.
• Possesses full-stack capabilities with a strong "startup DNA," excelling in fast-moving, ambiguous environments where they can drive projects from concept to completion.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$230k-$250k + Equity

Company Description

Valon Technologies, Inc. is a Series C fintech backed by a16z building an AI-native operating system for regulated finance. After proving their platform by managing $110B+ in loans with 60%+ margins, they are now deploying their unified mortgage servicing software to major enterprises across the industry.

Job Description

Join Valon Technologies, Inc. to build the foundational infrastructure for regulated finance. You will develop robust, scalable systems in Python and React that manage billions of dollars while navigating complex federal regulations. Working alongside a senior team from Stripe and Google, you’ll ship high-impact software that transforms archaic financial sectors into programmable, AI-ready operations.

Location

New York/San Francisco, USA or Remote

Why this role is remarkable

• Work on a mission-critical "AI-native operating system" for the $11T mortgage industry, backed by top-tier investors like Andreessen Horowitz.
• Join a high-density talent environment with engineers from Jane Street, Stripe, and Meta, offering unparalleled peer learning and technical autonomy.
• Solve genuine complexity by building software that encodes rigid federal regulations into extensible codebases, rather than just building on legacy wrappers.

What you will do

• Design and build robust, extensible infrastructure capable of handling $110B+ in loans and evolving state and agency compliance requirements.
• Collaborate cross-functionally with Product and Design to create seamless, data-rich experiences for enterprise clients and mortgage customers.
• Scale backend services using Python, Docker, and Kubernetes on Google Cloud Platform to maintain 100% accuracy in high-stakes financial transactions.

The ideal candidate

• Has 4+ years of professional software engineering experience building and scaling quality applications in complex, production-grade environments.
• Demonstrates strong proficiency in Python or similar backend languages, with a track record of designing scalable distributed systems from scratch.
• Possesses the communication skills and intellectual curiosity required to navigate the intersection of technical architecture and highly regulated financial industries.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Backend Engineer (AI Agents) (€100k-€160k + Equity) at Maze - Series A AI Cybersecurity Startup

Job Title

Backend Engineer (AI Agents)

Salary

€100k-€160k + Equity

Company Description

Maze - Series A cybersecurity startup building autonomous AI agents

Job Description

Join a high-caliber engineering team building autonomous AI agents that investigate and resolve cloud security vulnerabilities for Fortune 200 companies. As the second dedicated hire for the AI Agents team, you will design and scale production-grade agentic systems, moving beyond LLM prototypes to build sophisticated, multi-step autonomous decision loops that solve critical security risks.

Location

Remote, UK/EU

Why this role is remarkable

• Work at the bleeding edge of AI by moving past simple wrappers to build true agentic architectures with planner-executor patterns and autonomous decision-making loops.
• Join a proven leadership team with deep experience in Big Tech and successful exits, backed by $25M in Series A funding from Theory Ventures.
• Gain immense ownership in a lean, elite team of 30 where you will directly influence the architecture of a product already serving global enterprise customers.

What you will do

• Design and implement backend systems that support complex, multi-step agentic workloads and tool-calling architectures using Python and AWS.
• Take end-to-end ownership of the development lifecycle, from initial AI agent prototyping to deploying scalable production services.
• Collaborate with senior leaders and founding engineers to optimize application performance, security, and reliability for high-stakes cybersecurity environments.

The ideal candidate

• 7+ years of professional backend development experience, with a mastery of Python and cloud-native architectures on AWS.
• Proven track record of productionizing AI agents or complex LLM workflows using frameworks like LangChain, LangGraph, or LlamaIndex.
• Strong systems design background with experience in asynchronous processing, event-driven architectures, and building robust evaluation frameworks for AI performance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

$150k-$190k + Equity

Company Description

Myjunior.ai is a profitable, bootstrapped AI company reaching ~$24M ARR and building the operating system for investment research. Trusted by global private equity firms and Big 4 consultancies, the team includes talent from Airbnb and Meta, developing tools that transform how the world's top dealmakers analyze fragmented data.

Job Description

You will join a high-growth team to build the AI-native intelligence platform for private markets end-to-end. Working directly with founders, you'll design features across the Next.js and TypeScript stack that automate complex research workflows. This role offers the chance to ship weekly to elite financial institutions while shaping the product's technical architecture.

Location

New York City, USA

Why this role is remarkable

• Join a rare, bootstrapped success story growing ~20% month-over-month with over $24M in ARR without traditional VC funding.
• Work alongside an elite engineering team from Palantir, Amazon, and Meta in a high-ownership, fast-iteration NYC culture.
• Enjoy unique perks including an in-office cook, gym memberships, and the opportunity to work from Greece during the summer.

What you will do

• Architect and ship full-stack features using Next.js, TypeScript, and PostgreSQL to handle unstructured financial data transformations.
• Build frontier products like low-latency voice-to-voice research tools and AI-native CRM systems with deep knowledge graph integrations.
• Collaborate with top-tier investment firms to translate complex research needs into intuitive, high-stakes digital workflows and interfaces.

The ideal candidate

• Possesses strong full-stack fundamentals with professional experience building and scaling applications using Next.js, TypeScript, and relational databases.
• Demonstrates "Builder DNA" with a track record of shipping products from scratch and a desire to influence product prioritization.
• Has a product-minded approach, excellent communication skills for client-facing collaboration, and interest in LLM-powered feature development.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Software Engineer

Salary

$120K - $150K + $400K Equity

Company Description

Arzana is a YC P26 startup building the AI front office for mid-market American manufacturers. Their agents automate mission-critical workflows like quoting and order entry for companies doing up to $500M in revenue, directly integrating with ERP systems like Epicor and NetSuite to modernize the backbone of American industry.

Job Description

As one of the first engineers at Arzana, you will bridge the gap between messy operational reality and reliable automation. You will embed with manufacturers on the shop floor, scope features end-to-end, and ship production code using Next.js and Python. This role defines how Arzana scales while delivering massive efficiency gains to operators.

Location

New York City, USA

Why this role is remarkable

• Join a fast-growing YC P26 startup as one of the first engineering hires, reporting directly to the founders and defining the company's operational DNA.
• Deliver massive tangible impact by cutting order processing times from hours to minutes for manufacturers that run the country’s physical infrastructure.
• Receive a highly competitive package including $120K-$150K salary and a significant $400K equity stake with relocation support to New York City.

What you will do

• Embed directly with customers at manufacturing facilities to understand complex RFQ flows and translate operational friction into automated software solutions.
• Ship end-to-end features, from agent configuration and ERP integrations to migration scripts, maintaining full ownership of everything you scope and build.
• Drive the core product roadmap by identifying breakage and opportunities on-site before anyone else, ensuring the product evolves with real-world manufacturing needs.

The ideal candidate

• Possesses 0-3 years of software engineering experience and a degree from a top CS program, with a genuine passion or background in American manufacturing.
• Demonstrates full-stack proficiency in Python, Next.js, and PostgreSQL, with the ability to quickly master LLM orchestration and complex agent workflows.
• Maintains exceptional interpersonal skills to build immediate trust with C-suite operators and a builder bias that prioritizes shipping high-quality code at speed.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$130k-$180k + Equity

Company Description

Well-funded legal tech AI startup

Job Description

Join a high-performance team building the AI layer for the legal industry. You will own features end-to-end, from custom RAG pipelines to React-based interfaces. Working directly with founders from top tech companies, you will ship code daily and visit customers to shape a product that is already seeing massive revenue growth.

Location

New York, USA

Why this role is remarkable

• Work directly with founders and a high-caliber engineering team from elite backgrounds like Google, Jane Street, and Amazon.
• Join a company experiencing 10x revenue growth backed by top-tier VCs, providing both stability and high upside.
• High-impact environment where you ship daily and influence the product roadmap through direct interactions with global law firm clients.

What you will do

• Design and implement full-stack features using Go, React, TypeScript, and AWS serverless infrastructure.
• Build and optimize custom RAG pipelines and AI-driven workflows that automate complex billable time capture.
• Collaborate directly with customers to identify pain points, prioritize product requirements, and execute technical solutions autonomously.

The ideal candidate

• Holds a CS degree from a top-tier program and has 2-5 years of experience at a high-growth startup.
• Demonstrates strong product sense and the ability to own the entire development lifecycle without needing hand-offs.
• Possesses an interest in AI/ML systems and thrives in a fast-paced, in-person collaborative environment in New York City.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Founding ML Engineer

Salary

$180K + 1% Equity

Company Description

BehaviorAI is a top-tier VC-backed startup and Cornell SciFi Lab spinout building AI models to understand human behavior through wearable sensors.

Job Description

As a Founding ML Engineer at BehaviorAI, you will architect and deploy state-of-the-art multimodal models for real-world time-series sensor data. You’ll design novel architectures from scratch—moving beyond simple fine-tuning—to power next-generation wearable intelligence. This hands-on role involves shipping direct-to-user solutions in a high-energy, proactive startup environment.

Location

Brooklyn, USA

Why this role is remarkable

• Work directly with founders Cheng Zhang (NSF CAREER Award winner) and Mehrab Bin Morshed (ex-Samsung Research) at the intersection of academia and industry.
• Influence the core product by designing novel ML architectures from scratch rather than just fine-tuning existing models for specific hardware.
• Join a top-tier VC-backed founding team with significant equity and the ability to shape a Cornell SciFi Lab spinout from day one.

What you will do

• Architect and deploy SOTA multimodal models (CV, NLP) specifically optimized for real-world time-series data from wearable sensors.
• Develop and implement real-time inference and on-device machine learning capabilities to ensure low-latency performance in field settings.
• Drive the technical roadmap for foundation models that integrate multi-modal sensing to deeply understand human behavior and intent.

The ideal candidate

• Proven experience processing real-world sensor or time-series data (e.g., image, IMU) with a focus on real-time inference and on-device ML.
• Strong background in Foundation Models and multimodal sensing, with the technical ability to build and iterate on complex architectures.
• High-energy, proactive mindset suited for an early-stage startup, with a willingness to own technical problems from research to final production.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Full-Stack Engineer

Salary

Not Disclosed

Company Description

Early-stage NYC tech startup

Job Description

Join a fast-paced team building product from the ground up. As a Full-Stack Engineer, you will own features end-to-end using TypeScript, React, Node.js, and PostgreSQL. You’ll play a pivotal role in shaping both the product and engineering culture while delivering high-quality solutions to real users in a collaborative hybrid environment.

Location

New York City, USA

Why this role is remarkable

• True end-to-end ownership over product features and technical decisions.
• Backed by top-tier VCs at an exciting early stage of growth.
• Directly influence engineering culture and product direction from the ground up.

What you will do

• Scope, build, and deploy high-impact features across the full stack.
• Collaborate on product strategy and turn outcomes into technical realities.
• Iterate on consumer and B2B products using modern web technologies.

The ideal candidate

• 3 to 5 years of professional engineering experience with a modern web stack.
• Proven track record of shipping production-ready products to real users.
• Strong proficiency in TypeScript, React, Node.js, and PostgreSQL, with familiarity in Next.js or GraphQL.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Platform Engineer

Salary

$180k-$250k + Equity

Company Description

GovSignals is an AI system of work for government contracting, uniquely authorized for FedRAMP High and IL5 environments. Managing billions in contract data, the company monitors over 5,000 government sources to close the gap between capability procurement and adversary deployment for mission-critical agencies and Fortune 500 primes.

Job Description

Join GovSignals as a founding platform engineer owning the data and deployment infrastructure for AI-driven government contracting. You will scale ingestion for 10,000+ data sources, manage secure environments across AWS GovCloud and Cloudflare, and build agentic harnesses that power billions in contract volume. This role directly impacts national security infrastructure.

Location

New York, USA

Why this role is remarkable

• Join as a founding member of the platform team, working directly with the CTO and co-founders from Palantir and the DIA to own the core infrastructure.
• Work in a high-stakes environment as the only startup managing government data with AI across both FedRAMP High and DoD Impact Level 5 settings.
• Build in the historic Brooklyn Navy Yard for a well-funded startup that has achieved massive regulatory milestones and onboarded household names in under two years.

What you will do

• Build and scale the ingestion and storage infrastructure for 10,000+ government data sources using Postgres logical replication and object storage on S3 and R2.
• Ship a single codebase to diverse environments including commercial SaaS on Cloudflare Workers and self-hosted Kubernetes in AWS GovCloud for restricted networks.
• Develop infrastructure where AI agents are first-class users, including agentic harnesses that support billions in government contract volume and automated remediation loops.

The ideal candidate

• Has 5+ years of experience in backend or platform engineering with deep expertise in Postgres internals and Kubernetes in production environments.
• Brings a security-first mindset and proven experience taking complex systems through real scale, such as significant migrations or major throughput walls.
• Demonstrates proficiency in TypeScript or Python and a heavy reliance on AI tools to accelerate work within regulated or highly sensitive environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Software Engineer

Salary

Not Disclosed

Company Description

Chip Financial Ltd is a leading London-based fintech building a unique Lombard lending platform. They provide innovative financial solutions for both their proprietary Firenze brand and various SaaS clients, focusing on delivering highly available, secure, and scalable technology for the modern financial landscape.

Job Description

You will lead the development of Chip Financial Ltd's unique Lombard lending platform, shaping architecture and establishing engineering best practices. Working with Java and Spring Boot, you'll design cloud-native microservices and event-driven systems. This high-impact role involves collaborating with cross-functional teams to deliver reliable fintech solutions while mentoring junior engineers.

Location

London, UK

Why this role is remarkable

• Spearhead the development of a unique Lombard lending platform serving both internal brands and external SaaS clients.
• Join a sophisticated London fintech environment where you have a direct hand in shaping technical standards and architecture.
• Impact the future of financial technology by building highly available, fault-tolerant systems in a cloud-native microservices ecosystem.

What you will do

• Design, build, and maintain resilient backend services using Java and Spring Boot in a cloud-native, microservices-driven environment.
• Develop RESTful APIs and event-driven systems using message brokers and asynchronous processing to ensure high performance and scalability.
• Collaborate with engineering leadership and DevOps to optimize CI/CD pipelines and define architectural patterns for long-term maintainability.

The ideal candidate

• Possesses over 7 years of software development experience, including at least 2 years in a senior leadership or mentoring role.
• Demonstrates deep expertise in Java, Spring Boot, and building distributed systems with a strong focus on fault tolerance and consistency.
• Has a proven track record of designing and operating cloud-native microservices, containerization with Docker/Kubernetes, and event-driven architectures.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Infrastructure engineer

Salary

$139.8K – $273.7K + Equity

Company Description

Writer Inc. is a $1.9B enterprise generative AI leader building a full-stack platform—including proprietary LLMs and orchestration—backed by ICONIQ Growth and Radical Ventures.

Job Description

Join Writer Inc. to own the reliability and performance of a mission-critical AI platform serving Fortune 500 giants like Uber and Vanguard. You will architect multi-cloud infrastructure, automate complex operational tasks using Python or Go, and integrate agentic AI tooling into your daily engineering workflow to scale our $1.9B platform.

Location

New York City, USA; San Francisco, USA; Seattle, USA

Why this role is remarkable

• Work at a $1.9B category leader that owns the entire AI stack—from proprietary LLMs to the orchestration layer—rather than just wrapping existing models.
• Join a high-growth environment backed by premier investors like ICONIQ Growth and Radical Ventures, powering mission-critical workflows for companies like Mars and Vanguard.
• Pioneer "AI in workflow" practices, using agentic tools like Claude Code and Droid to compound team throughput and redefine modern infrastructure engineering.

What you will do

• Own the reliability, performance, and multi-cloud infrastructure for ~100 microservices on Kubernetes across AWS, GCP, and Azure using Terraform and Helm.
• Lead critical initiatives across SRE, DevOps, and Platform engineering, focusing on automating away toil and designing resilient, self-healing systems.
• Drive incident response and post-mortems, tracing failures to root causes to ensure the platform meets the strict 24/7 demands of enterprise customers.

The ideal candidate

• Brings 5+ years of experience operating large-scale production infrastructure and Kubernetes clusters within a high-growth, fast-paced product company.
• Possesses deep proficiency in Infrastructure as Code (Terraform/Pulumi) and automation programming in Python or Go, with a strong focus on "via negativa" simplicity.
• Already integrates AI-assisted workflows and agentic tooling into their daily shipping process, with clear opinions on where these tools excel and fail.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer (Full Stack)

Salary

$150k-$225k + Equity

Company Description

Neptune is a $7.5M venture-backed startup building a shared AI brain for couples to manage major life decisions. Backed by Floodgate and The General Partnership, Neptune was founded by product and engineering leaders from Google, Stripe, and Uber to simplify complex financial and legal workflows through emotionally intelligent technology.

Job Description

As Neptune's first founding engineer, you will architect and build the core AI engine and product experience from the ground up. You'll work alongside world-class founders to turn emotionally charged financial decisions into seamless, trust-based workflows. This high-impact role involves setting the technical foundation while shipping features that directly influence how couples build wealth.

Location

New York, USA

Why this role is remarkable

• Join a world-class founding team including the creator of Google Forms and the founding engineer of Stripe Link.
• Build a category-defining product backed by $7.5M from top-tier investors like Floodgate (early backers of Lyft, X, and Twitch).
• Gain massive ownership and founding-level equity while working with cutting-edge LLMs on high-trust, real-world financial and legal use cases.

What you will do

• Design and ship the "Neptune brain," a shared context engine that manages a couple's full financial and legal history.
• Develop conversational AI and LLM-powered workflows that translate complex model outputs into high-credibility user experiences.
• Own features end-to-end across the stack, from backend architecture and Plaid integrations to frontend execution in Next.js.

The ideal candidate

• Has 4–7 years of full-stack experience with a track record of shipping impactful production features in high-trust environments.
• Demonstrates deep "AI-native" intuition, using LLMs as force multipliers and understanding their performance across sensitive financial tasks.
• Possesses early-stage startup DNA, characterized by extreme agency, product-thinking, and the ability to thrive in an in-office NYC environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$150k-$180k + Equity

Company Description

Mission-driven AI healthtech startup

Job Description

As the first engineering hire, you will build a revolutionary system of record for senior care from the ground up. You will own the architecture and technical execution of an AI-powered platform that unifies fragmented healthcare data. This 0-1 role involves developing ingestion pipelines, intelligence layers, and agentic systems to transform senior health records into actionable care.

Location

New York, USA

Why this role is remarkable

• Build a core platform from scratch as the first engineering hire with significant ownership.
• Backed by top-tier VCs to tackle the complex, high-impact problem of senior care navigation.
• Work directly with the founder in-person in NYC to shape the product and technical culture.

What you will do

• Architect and build the core data ingestion, intelligence, and compliance layers of the platform.
• Design agentic systems that translate complex senior health records into coordinated navigation actions.
• Make high-stakes technical decisions that define the company's long-term engineering foundation and scalability.

The ideal candidate

• Proven experience as a founding engineer or early employee at a fast-growing startup.
• Deep technical expertise across the full stack, including backend systems, data engineering, and AI/ML.
• High-agency problem solver with a coherent career path and a desire for mission-driven work.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

Not Disclosed

Company Description

Den is a New York-based crypto infrastructure company securing the largest organizations in the global crypto economy. Backed by IDEO CoLab Ventures and top crypto investors, Den provides institutional-grade wallet infrastructure for over 800 teams, including Lido and Worldcoin, having processed over $10B in transaction volume to date.

Job Description

As a Software Engineer at Den, you will build full-stack web applications that secure billions in assets for leading crypto institutions. Working directly with technical co-founders, you'll ship critical features across the TypeScript stack and help define the engineering culture as transaction volumes scale from $1B toward $18T.

Location

New York, USA

Why this role is remarkable

• Join a high-growth crypto infrastructure leader that saw transaction volume explode from $1B in 2024 to $7.5B in 2025.
• Work directly with technical founders from ConstitutionDAO who have deep experience in smart contract development and scaling backend infrastructure.
• Contribute to a mission-critical platform trusted by industry giants like Lido and Worldcoin to secure their most vital on-chain deposits.

What you will do

• Develop and scale full-stack applications using TypeScript, Next.js, and Node.js to facilitate secure, high-volume institutional crypto transactions.
• Collaborate with the co-founders to architect new features and make foundational technical decisions for the core wallet infrastructure.
• Bridge the gap between complex blockchain protocols and seamless user experiences using tools like Viem, Prisma, and PostgreSQL.

The ideal candidate

• Possesses 1-4 years of experience shipping production-grade code with a strong proficiency in TypeScript and the modern React/Node ecosystem.
• Demonstrates an insatiable curiosity for crypto and the ability to execute at high speeds in a fast-paced, high-ownership environment.
• Combines technical excellence with project management skills and the ability to make architectural decisions that will scale with the company.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Customer Success

Salary

Not Disclosed

Company Description

Fast-growing AI automation startup

Job Description

As the Head of Customer Success, you will lead the charge in defining and scaling the post-sales experience for a high-growth AI platform. You will build the CS function from the ground up, establishing processes, metrics, and a team dedicated to ensuring long-term value and retention for a rapidly expanding enterprise customer base.

Location

New York, USA

Why this role is remarkable

• Founding leadership opportunity to build the entire Customer Success department from scratch at a well-funded AI startup.
• Work directly with the founding team to shape the company’s long-term customer strategy and product roadmap.
• High-impact role in a hyper-growth environment backed by top-tier venture capital firms within the booming AI space.

What you will do

• Design and implement the end-to-end customer journey, from onboarding and implementation to renewal and expansion.
• Recruit, mentor, and lead a high-performing team of Customer Success Managers as the company scales its operations.
• Define and track key performance indicators such as Net Revenue Retention, churn rate, and customer health scores.

The ideal candidate

• Proven track record of building and leading a Customer Success function from scratch within a hyper-growth B2B SaaS environment.
• Deep expertise in developing scalable customer life-cycle processes and managing complex enterprise relationships.
• Exceptional leadership skills with a "roll-up-your-sleeves" mentality and a passion for driving customer value in emerging tech.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Game Engineer

Salary

£90k–£130k + Equity

Company Description

Pebble is a London-based startup founded by former Google and Synthesia leaders building the first generative learning world for children. The team is creating a 3D exploration game where kids interact with an unscripted AI companion, bridging the gap between passive digital content and active, educational play.

Job Description

As the first game engineer, you will own the gameplay and engine architecture for an AI-driven 3D world. You'll build generative systems and procedural environments that adapt to each child's needs in real-time. This is a rare opportunity to define the engineering foundation of an entirely new category of interactive education.

Location

London, UK (Remote Friendly)

Why this role is remarkable

• Founding role with the autonomy to set the architectural standards and engineering culture for a high-potential AI startup from day one.
• Led by an elite founding team including the first product hire at Synthesia (scaled $3M-$100M ARR) and the founder of Neoplants ($25M+ raised).
• Work at the cutting edge of AI and gaming by building complex procedural generation systems where AI is the core product, not just a feature.

What you will do

• Architect and own the gameplay systems, procedural world generation, and progression mechanics within a live Unity-based 3D environment.
• Collaborate with AI engineers to integrate open-ended voice and LLM-driven companion behaviors directly into the real-time game loop.
• Develop high-performance systems and internal tooling to ensure a coherent, responsive experience for children while maintaining strict frame budgets.

The ideal candidate

• Extensive experience shipping 3D games or real-time products, with deep expertise in Unity (C#) and core engine systems.
• Proven track record building complex procedural or generative systems and managing the performance/memory constraints of live-service games.
• Enthusiastic adopter of AI-driven development workflows who is passionate about creating safe, engaging, and educational digital experiences for children.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engineering Manager, Platform - Cloud Infrastructure

Salary

$241.5K - $284K + Equity

Company Description

Valon Technologies, Inc. is a Series C fintech backed by a16z, building an AI-native operating system for regulated finance. Having built a mortgage servicing business managing $110B+ in loans, they are transforming complex legacy industries with a modern software stack that has successfully improved operating margins from 0% to over 60%.

Job Description

As Engineering Manager for Cloud Infrastructure at Valon Technologies, Inc., you will lead a high-impact team of five engineers managing production systems handling 100M+ daily jobs. You'll drive technical strategy for scalability and reliability, scale the platform 10x over two years, and bridge the gap between complex infrastructure and rapid product innovation.

Location

New York / San Francisco, USA (Remote Optional)

Why this role is remarkable

• Lead the foundational infrastructure for a platform managing $110B+ in assets, with concrete plans to scale the system 10x over the next two years.
• Join a high-caliber team of engineers from top-tier firms like Stripe, Jane Street, and Meta in a Series C company backed by top-tier investors like a16z.
• Enjoy a high-agency culture where you act as a hands-on technical leader, influencing architecture and strategy for next-gen data stores like Vitess, Clickhouse, and Redis.

What you will do

• Manage and grow a team of 5+ infrastructure engineers, overseeing technical strategy for compute, databases, storage, and networking across all production environments.
• Architect and implement production-scale systems and batch processing control planes to support massive daily growth in background job execution and data volume.
• Collaborate cross-functionally with product and operations to build high-leverage infrastructure that unlocks rapid product iteration while maintaining world-class reliability and security standards.

The ideal candidate

• 4+ years of software engineering experience with at least 1+ years in a dedicated technical leadership or engineering management role in a high-growth environment.
• Deep expertise in cloud providers, containerization using Kubernetes and Docker, and distributed systems capable of handling high-volume background processing and complex data stores.
• Strong systems thinker with a product mindset and a proven track record of mentoring engineers through a feedback-driven, high-performance culture focused on continuous development.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer

Salary

Not Disclosed

Company Description

Nidus is a well-backed seed-stage startup building an AI-first, software-defined manufacturing platform to revitalize American industrial production. Founded by experts from defense tech and AI, Nidus combines robotics, ML infrastructure, and cloud systems to turn complex assembly work into reliable, software-driven telemetry and throughput.

Job Description

As a Senior Software Engineer at Nidus, you will architect the backend systems and data pipelines powering the factory of the future. You'll build hybrid cloud and on-prem services that maintain uptime in high-stakes industrial environments. This is a hands-on, founding-team role driving the software backbone for autonomous, localized manufacturing.

Location

New York City, USA

Why this role is remarkable

• Join a high-ownership founding team in NYC, working directly with founders to solve the structural challenges of US manufacturing.
• Work in a unique environment where world-class robotics researchers, mechanical engineers, and defense-tech software veterans collaborate under one roof.
• Build mission-critical systems where reliability is paramount, applying industrial-grade discipline to petabyte-scale visual data pipelines and ML infrastructure.

What you will do

• Design and implement multi-compute architectures spanning embedded devices, on-prem factory services, and cloud-based backend systems.
• Build petabyte-scale visual data pipelines for ingesting, indexing, and preparing manufacturing data for machine learning workflows.
• Develop resilient infrastructure-as-code and observability tools that ensure high uptime and performance in noisy industrial production environments.

The ideal candidate

• Has 3–6 years of experience building and shipping production-grade software with a focus on backend systems, infrastructure, or data at scale.
• Possesses deep expertise in hybrid cloud/edge environments and is comfortable managing complex systems that handle terabytes to petabytes of data.
• Thrives in an in-person, fast-iterating startup culture and is capable of owning technical direction from architecture to end-to-end execution.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

$175k-$250k + Equity

Company Description

Alta Daily is an $11M+ seed-stage startup backed by Menlo Ventures and a luxury conglomerate building the future of personal styling and shopping through AI. Supported by industry icons including the founders of DoorDash and Poshmark, we are creating a personal stylist in your pocket that understands taste and fit.

Job Description

As a Full Stack Engineer at Alta Daily, you will build an AI-powered styling platform that solves the problem of choice paralysis in online shopping. Working directly with the founding team in NYC, you'll own features end-to-end using React, TypeScript, and Python, shaping the product's technical architecture from day one.

Location

NYC, USA

Why this role is remarkable

• Join a high-caliber team at the ground floor with meaningful equity and the power to define the engineering culture of a consumer AI startup.
• Work on a product backed by $11M+ from Menlo Ventures and industry icons like Karlie Kloss, Manish Chandra (Poshmark), and Tony Xu (DoorDash).
• Build complex 0-to-1 features in a fast-paced NYC environment, directly influencing how millions of people discover fit and style through AI.

What you will do

• Develop polished, consumer-facing user interfaces using React and Next.js that demonstrate the power of proprietary AI recommendation models.
• Architect and scale backend systems using Python and Node.js to support real-time personal styling interactions for a growing user base.
• Collaborate across design and growth disciplines to ship features rapidly, moving from initial concept to production-ready code in a high-ownership environment.

The ideal candidate

• Has at least 2+ years of professional full-stack experience with a strong foundation in TypeScript, React, and Python-based backends.
• Demonstrates a builder's mindset, thriving in ambiguous environments where they can take full ownership of features and solve complex engineering problems.
• Is based in or willing to relocate to NYC for in-person collaboration and has a passion for building delightful, AI-driven consumer products.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Platform Engineering

Salary

£225,000 + Equity

Company Description

Model ML is a $75M Series A London-based AI company building an intelligent workspace for the financial services industry. Backed by FT Partners and YC W24, the platform serves major global banks and private equity firms who trust Model ML for their most sensitive financial analysis and data workflows.

Job Description

As Head of Platform Engineering at Model ML, you will lead the evolution of production-grade infrastructure for the AI era. Based in Kings Cross, you’ll own the end-to-end cloud strategy, scaling our Azure/AKS environment and leading a growing team. You’ll ensure high availability, security, and compliance for the world’s leading financial institutions.

Location

London, UK

Why this role is remarkable

• Lead the platform function at a high-growth, YC-backed AI startup reimagining the Bloomberg Terminal for top-tier financial institutions.
• Secure massive ownership with a $75M Series A war chest and a mandate to scale the platform team from 3 to 9 engineers by 2026.
• Work in a high-intensity, mission-critical environment where your infrastructure directly enables AI-driven workflows for the world's most sophisticated private equity firms and banks.

What you will do

• Architect and scale cloud infrastructure using Azure, AKS, and Terraform to support rapid product growth and demanding financial service workloads.
• Build and maintain robust CI/CD pipelines and observability frameworks to ensure system reliability, performance, and seamless software delivery across all services.
• Lead the company through SOC 2 and ISO 27001 audits, implementing rigorous security, secrets management, and compliance measures across the entire platform.

The ideal candidate

• Has 10+ years of experience in infrastructure and platform engineering, specifically architecting and operating production-grade Kubernetes and Terraform environments at scale.
• Demonstrates a proven track record of leading and scaling engineering teams in high-growth startup environments with a focus on operational excellence.
• Thrives in a fast-paced, high-ownership culture and possesses deep experience navigating complex compliance frameworks like SOC 2, ISO 27001, or GDPR.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Director of Product

Salary

$230k-$290k + Equity

Company Description

Well-funded enterprise automation platform

Job Description

As Director of Product, you will spearhead a high-growth business unit combining hardware, software, and agentic AI to transform physical customer experiences. You will own the full product lifecycle, from strategy and pricing to large-scale enterprise deployments, orchestrating cross-functional teams to automate complex operations for global brands at massive scale.

Location

New York, USA

Why this role is remarkable

• Own a high-impact, cross-functional business line that bridges the gap between hardware, enterprise software, and agentic AI.
• Operate within a well-funded, high-growth scaleup backed by top-tier VCs and recognized for innovation in physical-world automation.
• Lead massive, multi-million-dollar programs for global Fortune 500 brands, overseeing fleet-scale deployments across thousands of international locations.

What you will do

• Define the long-term strategy and roadmap for a product suite involving hardware units, embedded payments, and AI-driven autonomous workflows.
• Direct commercial strategy, including pricing, packaging, and unit economics, while managing complex certification and procurement cycles for enterprise customers.
• Collaborate with engineering, hardware, and operations teams to transition human-intensive processes into seamless, automated, and autonomous digital experiences.

The ideal candidate

• Proven track record with over 10 years in product leadership, including significant experience owning a product line with substantial enterprise revenue.
• Deep expertise in managing large-scale physical deployments, such as connected devices, point-of-sale systems, or complex hardware-software integrations.
• Exceptional executive communication skills with the ability to navigate multi-stakeholder enterprise deals and build systems that scale to thousands of sites.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

Not Disclosed + Equity

Company Description

VC-backed AI content automation platform

Job Description

Join a high-growth startup sitting at the intersection of product, engineering, and customer strategy. You will build sophisticated AI-powered workflows using LLMs and automation tools to solve complex growth challenges for market-leading brands. This role bridges the gap between shipping code and driving strategic outcomes, turning custom solutions into scalable product features.

Location

San Francisco or New York City, USA

Why this role is remarkable

• High-impact hybrid role sitting at the intersection of engineering, product innovation, and growth strategy.
• Backed by top-tier VCs with massive revenue growth and a product trusted by market-leading unicorns.
• Exceptionally high-autonomy environment where you ship in days and directly influence the core product roadmap.

What you will do

• Build and deploy sophisticated AI workflows using LLMs, prompt engineering, and retrieval-augmented generation.
• Partner with cross-functional teams to automate complex processes and develop novel customer-facing use cases.
• Analyze performance metrics and report strategic insights to the executive team to shape product direction.

The ideal candidate

• Proven background in Growth, Solutions Engineering, or BizOps at a high-growth technology startup.
• Hands-on experience building production-ready applications with LLMs and automation tools like Zapier.
• Analytical mindset with the ability to navigate Python/JavaScript and a drive to own end-to-end outcomes.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior UI Engineer

Salary

Not Disclosed

Company Description

StackOne is a $24M Series A London startup building an AI Integration Gateway for SaaS platforms and AI Agents, backed by GV (Google Ventures) and Workday Ventures.

Job Description

As StackOne’s first dedicated UI Engineer, you will be the authority on craft, polish, and performance. You’ll own the component library, shape micro-frontend architecture, and ensure every pixel reflects best-in-class engineering. Working alongside founders from Google and Microsoft, you’ll build the infrastructure layer that enables the next generation of agentic integrations.

Location

London, UK

Why this role is remarkable

• Join as the first dedicated UI/UX engineer, owning the entire front-end surface and setting the visual standards for a high-growth infrastructure platform.
• High-caliber environment backed by $24M from GV and Workday Ventures, founded by veterans from Google and Microsoft who value engineering taste and autonomy.
• Tackle unique performance challenges at the intersection of AI and enterprise integrations, building a system that orchestrates thousands of actions across hundreds of connectors.

What you will do

• Lead the development and stewardship of StackOne’s design system, establishing the visual language, reusable primitives, and performance standards for all user interfaces.
• Ship high-fidelity, pixel-perfect UIs using React and TypeScript, while managing micro-frontend patterns and optimizing Core Web Vitals to ensure industry-leading latency.
• Collaborate with product and design teams to prototype interactive proofs-of-concept, while providing internal tooling and AI rules to help other engineering teams contribute.

The ideal candidate

• 4+ years of professional front-end engineering experience with a deep focus on visual craft, design systems, and building production-scale React applications.
• Expert-level command of TypeScript, CSS fluency (Tailwind), and modern browser APIs, with a proven track record of migrating or scaling component libraries.
• Strong performance engineering instincts, including experience with monorepo tooling like NX or Turborepo and the ability to optimize backend bottlenecks impacting the client.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Marketing

Salary

Not Disclosed + Equity

Company Description

Platformed Ltd is a pre-Series A AI-native audit platform with ~$1m ARR, building a global presence through high-trust category creation for senior audit and compliance leaders.

Job Description

Join Platformed Ltd as our first Head of Marketing to build a world-class function from scratch. You will drive category creation in the AI audit space, focusing on executive engagement, community building, and thought leadership. This high-agency role involves shaping our market motion and establishing trust with senior leaders globally.

Location

London, UK

Why this role is remarkable

• Category-creation opportunity in the emerging AI-native audit sector, positioning Platformed Ltd as the industry's default platform for mid-tier and challenger firms.
• Direct access to founders in a lean, 16-person team, allowing you to own the entire marketing strategy and build the function from zero-to-one.
• A relationship-driven GTM strategy that prioritizes high-quality executive interactions, curated events, and deep community building over traditional marketing tactics.

What you will do

• Develop and execute a comprehensive marketing strategy covering brand, editorial content, and community-led growth to build credibility with Heads of Audit and CIOs.
• Organize and lead curated executive events and industry gatherings to foster trust and influence within a concentrated global market of senior decision-makers.
• Harness AI tools instinctively to accelerate marketing workflows, while personalizing high-leverage content that establishes Platformed Ltd as an inevitable force in the audit industry.

The ideal candidate

• Proven experience as a first marketing hire or senior leader (No. 2) in a seed or Series A B2B startup, preferably within fintech, RegTech, or professional services.
• Exceptional editorial and brand instincts with the ability to communicate complex concepts clearly to non-marketing founders and senior enterprise stakeholders.
• A track record of building meaningful industry communities or followings, balancing strategic "big-picture" thinking with hands-on execution in a fast-paced environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He’ll make sure you are considered for this role, and help you find others if you ask.

Title:
Full-Stack Software Engineer at Fast-growing voice AI startup

Job Title

Full-Stack Software Engineer

Salary

Not Disclosed

Company Description

Fast-growing voice AI startup

Job Description

Join a stealth startup building the next generation of voice AI products for small businesses. As a Full-Stack Software Engineer, you'll have high ownership, directly contributing to our voice AI platform's product experience. We seek a driven, product-minded engineer ready to make an immediate impact from day one.

Location

Remote

Why this role is remarkable

• High degree of ownership and direct impact on a cutting-edge voice AI product.
• Opportunity to shape the foundational technology of a next-generation platform.
• Work with a lean, agile team in a fast-paced, innovative startup environment.

What you will do

• Develop and implement features across the full stack using Node.js and Next.js.
• Integrate with various 3rd party systems like payments, CRMs, and scheduling software.
• Contribute to a best-in-class voice experience for business owners.

The ideal candidate

• 2+ years of software engineering experience with Node.js, Next.js, and JavaScript frameworks.
• Strong product sense and an appreciation for well-designed products and apps.
• Excellent English communication skills and a relevant degree in Computer Science or related field.

How to Apply:

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Title:
Frontend Engineer ($160K–$250K + Equity) at Greptile - Benchmark-backed AI Review Layer

Job Title

Frontend Engineer

Salary

$160K–$250K + Equity

Company Description

Greptile - Benchmark & YC-backed AI code review layer

Job Description

As Greptile's first dedicated Frontend Engineer, you will own the entire product experience for 7,000+ companies. You'll build the TypeScript/React dashboard that reviews one billion lines of code monthly for customers like Nvidia and Coinbase. This is a foundational role in a talent-dense, in-person team building the future of autonomous code validation.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-growth startup backed by $30M from Benchmark, YC, and Paul Graham, currently growing 25–30% month-over-month as the standard AI review layer.
• Take full ownership of the user interface for a product relied upon by thousands of developers at world-class engineering organizations like Brex and Zapier.
• Work in a talent-dense environment in North Beach, SF, alongside former Stripe, Facebook, and Figma engineers who value high-speed shipping and in-person collaboration.

What you will do

• Architect and maintain the Greptile dashboard and customer-facing analytics using TypeScript and React to provide engineering leaders with deep visibility into code quality.
• Partner closely with the design engineer to iterate on and ensure a fast, consistent, and beautiful frontend experience across the entire application.
• Build autonomous agents that learn idiosyncratic coding standards and identify high-signal PR feedback to reduce noise for thousands of enterprise developer teams.

The ideal candidate

• 3–7 years of professional frontend experience with deep, production-level expertise in TypeScript and ReactJS.
• A strong sense of craft and design taste, with a track record of building beautiful, high-performance UIs at design-forward companies or through complex personal projects.
• Thrives in high-growth, in-person environments and possesses a B.S. in Computer Science or an equivalent degree from a top-tier institution.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Infrastructure Engineer

Salary

Not Disclosed + Equity

Company Description

Piris Labs (YC W26) is a San Francisco startup raising a ~$20M seed round to build the full-stack networking layer for AI inference. Led by engineering veterans from Meta and X alongside an MIT physicist, Piris Labs optimizes large-scale model serving by integrating software orchestration with next-generation GPU and networking architectures.

Job Description

As a Founding AI Infrastructure Engineer at Piris Labs, you will architect a high-performance inference platform from the ground up. You’ll solve complex distributed systems problems across the stack, including multi-node serving, intelligent request routing, and GPU orchestration. This is a rare opportunity to define the foundational technology for the future of AI infrastructure.

Location

San Francisco, USA

Why this role is remarkable

• Join a YC-backed team raising a ~$20M seed round, founded by leaders from Meta, X, and MIT with early revenue and government partnerships.
• Gain massive technical ownership by building a category-defining inference layer from first principles, rather than maintaining legacy systems.
• Directly influence the engineering culture, hiring strategy, and product direction as one of the first five employees at the company.

What you will do

• Architect and build a production-grade distributed inference platform featuring multi-node model serving and automated GPU fleet management.
• Develop network-aware request routing and distributed KV-cache management to minimize latency and maximize hardware efficiency.
• Implement high-performance networking protocols and systems using tools like eBPF, RDMA, and NCCL to optimize distributed AI workloads.

The ideal candidate

• Demonstrates exceptional fundamentals in distributed systems, networking, operating systems, and concurrency with a strong builder mentality.
• Possesses deep proficiency in systems languages such as Go, Rust, or C++, and experience with Python for AI orchestration.
• Has a background in high-performance computing, cloud infrastructure, or Kubernetes-based platforms, with a drive to master emerging AI hardware technologies.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Backend Engineer

Salary

$290K-$400K + Equity

Company Description

Giga is a $61M Series A voice AI startup building superintelligent agents that handle complex enterprise customer workflows for leaders like DoorDash.

Job Description

As a Staff Backend Engineer, you will lead the technical architecture of Giga's real-time AI platform. This is a high-impact individual contributor role where you'll solve complex distributed systems problems, scale infrastructure to millions of requests, and set engineering standards. You'll drive high-stakes initiatives that define the future of enterprise automation and voice superintelligence.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite, engineer-led team of 30 at a pivotal $61M Series A stage, working on generational voice AI technology already trusted by Fortune 500 companies.
• Enjoy massive technical ownership and a broad remit across APIs, data pipelines, and platform services with zero fundraising burden or management overhead.
• Experience a high-velocity environment where staff-level engineers are expected to ship production code and architect systems that scale to millions of daily interactions.

What you will do

• Architect and evolve the core agent infrastructure, making critical tradeoffs between speed, reliability, and complexity as the platform scales.
• Lead the most ambiguous and highest-stakes technical projects, turning vague requirements into robust, production-ready backend systems.
• Mentor the engineering team through hands-on collaboration, code reviews, and the development of high-standard design documentation and operational excellence.

The ideal candidate

• Brings 7+ years of backend experience with a track record of architecting distributed systems that scale through multiple orders of magnitude.
• Possesses deep expertise in Python (Django/FastAPI) and TypeScript (Node.js), with a strong grasp of AWS, Kubernetes, and Postgres infrastructure.
• Thrives in high-pace startup environments, demonstrating the ability to own technical strategy and solve hard problems with minimal guidance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Marketing Lead

Salary

£90k–£150k + Equity

Company Description

Omnea is a London-based AI-native procurement operating system that recently secured £75M in Series B funding to rebuild enterprise spend management from the ground up for global leaders like Spotify and Monzo.

Job Description

You will own Omnea’s market narrative, sitting at the intersection of Product and GTM to translate complex AI capabilities into compelling stories. As a senior individual contributor, you’ll drive end-to-end product launches, craft high-impact positioning for enterprise buyers, and build essential sales enablement tools that empower reps to win deals with global leaders.

Location

London, UK

Why this role is remarkable

• Join a high-growth scale-up that has grown ARR 10x in just 18 months, working directly alongside the SVP of GTM in a high-leverage team.
• Shape the narrative for an AI-native platform disrupting a broken multi-billion dollar industry, backed by £75M in fresh Series B funding and top European investors.
• Enjoy high autonomy as a senior peer to the existing PMM, with the opportunity to build the positioning playbook while executing high-visibility market strategies.

What you will do

• Develop and own differentiated positioning and messaging that spans the entire buyer journey, from website copy to analyst relations and customer references.
• Lead comprehensive product launches end-to-end, coordinating across Product and Sales to generate significant market noise and measurable adoption within 30 days.
• Create high-utilization sales assets, including battlecards and pitch decks, while training the GTM team to master the Omnea story in complex competitive deals.

The ideal candidate

• Has 5+ years of B2B SaaS product marketing experience, specifically within complex enterprise categories and experience with AI-native positioning.
• Is an exceptional writer and storyteller who can transform technical product specifications into humanized narratives that resonate with procurement and finance leaders.
• Thrives in fast-paced scale-up environments and is a builder who executes everything from high-level strategy to hands-on asset creation without needing external agencies.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer

Salary

$170k – $225k + Equity

Company Description

Tyle is a pre-seed health-tech startup backed by a16z and elite ex-Google/Meta leaders building the visual biomarker layer for human health. Using proprietary imaging hardware and multimodal AI, Tyle transforms the body's surface into a longitudinal record of health intelligence to detect chronic conditions and early signs of disease.

Job Description

As the Founding AI Engineer at Tyle, you will architect and scale the core computer vision system from day zero. You'll own the end-to-end pipeline, from signal capture and data curation to training multimodal models that interpret biological signals. Working alongside elite founders, you will define the technical foundation of a new category of preventative health infrastructure.

Location

San Francisco and Los Angeles, USA

Why this role is remarkable

• Join a high-pedigree founding team consisting of a 12-year Meta engineering leader and Google's former Head of Product for Discovery & Applied AI.
• Work on a zero-to-one challenge at the intersection of custom hardware and cutting-edge multimodal AI, backed by the a16z Explorer Fund.
• Exercise true founding-level ownership with a significant equity stake of up to 5% and the autonomy to design technical systems without legacy constraints.

What you will do

• Architect and evolve the complete computer vision stack, optimizing the journey from raw sensor data to production-ready biological insights.
• Translate emerging research and state-of-the-art multimodal techniques into reliable, high-performance models capable of operating in real-world clinical conditions.
• Build the foundational data infrastructure and training loops required to scale longitudinal health intelligence and improve model performance continuously.

The ideal candidate

• Possesses deep expertise in training and deploying computer vision or multimodal AI models that have been proven in production environments.
• Demonstrates a rapid ability to move from research papers to functional prototypes, balancing scientific rigor with the speed of a stealth-stage startup.
• Thrives in a hands-on, generalist role, comfortably navigating between model development, hardware integration, and high-level technical strategy.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Agentic Engineer

Salary

$160k-$220k + Equity

Company Description

Snapp Stats is an a16z-backed startup building the ultimate AI conversational companion for sports fans and bettors. Led by repeat founders, including a co-founder of Caviar, the team leverages agentic systems and real-time sports data to deliver personalized insights and proactive recommendations to passionate fans and fantasy players.

Job Description

As an Agentic Engineer at Snapp Stats, you will own the orchestration layer of AI agents designed for sports fans. You will design robust agent loops, manage tool-call latencies, and implement sophisticated evaluation frameworks. This role bridges the gap between experimental LLM hacks and production-ready systems that thrive under real-world user interaction.

Location

San Francisco, USA

Why this role is remarkable

• Work at the cutting edge of agentic AI with a16z backing and a leadership team featuring the co-founder of Caviar.
• Direct impact on a product where users notice accuracy and speed immediately, operating at the emotional intersection of sports and betting.
• High-autonomy environment where your architectural decisions and tool designs go from concept to production within the same week.

What you will do

• Design and ship complex agent loops that manage long-horizon tasks, tool calls, and partial failures without degradation.
• Build and operate MCP servers to expose rich sports databases and content tools to both internal and partner agents.
• Establish rigorous evaluation harnesses and observability pipelines using tools like Logfire to monitor token spend, latency, and reliability.

The ideal candidate

• 5+ years of software engineering experience with at least 1.5 years shipping and operating production agentic systems for real users.
• Deep proficiency in production Python, async debugging, and agent frameworks like Google ADK, LangGraph, or Pydantic AI.
• Strong discipline in evaluations and observability, with the ability to move beyond vibes-based prompting to data-driven regression testing.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Robotics Engineer – Systems & Sensing

Salary

£100k-£175k + Equity

Company Description

Adexis is a London-based frontier research lab solving dexterous manipulation to achieve physical general intelligence, backed by leading investors and top-tier researchers from Anthropic, ElevenLabs, and Google DeepMind.

Job Description

As a founding hire at Adexis, you will architect the real-time systems connecting AI models to physical hardware. You will build high-rate sensor nodes and the inference stack that serves as the robot's nervous system, ensuring every signal is processed with hard real-time precision to enable reliable, complex dexterous manipulation in the real world.

Location

London, UK

Why this role is remarkable

• Join a talent-dense founding team modeled after history’s greatest labs like Bell Labs and the Manhattan Project to solve the hardest problems in robotics.
• Work alongside elite researchers from Anthropic, ElevenLabs, and Google DeepMind on a mission to bring machines the power of touch and reach physical general intelligence.
• Influence the fundamental architecture of the nervous system for next-generation robots, moving research out of notebooks and onto reliable hardware systems.

What you will do

• Develop and own the inference node, running complex policies on physical hardware under hard real-time constraints and tight timing guarantees.
• Build sensor nodes that synchronize and stream multi-modal data, including high-rate force and contact signals, to provide the robot with a sense of touch.
• Own the entire stack's synchronization and latency, ensuring hardware components like arms, hands, and sensors work together as one reliable, high-performance system.

The ideal candidate

• Proven experience building and shipping real-time robotics systems onto hardware that runs reliably in production environments, not just in controlled demonstrations.
• Fluent in low-latency systems programming and deeply familiar with the nuances of sensor timing, data synchronization, and signal drift in physical systems.
• Demonstrated ability to integrate unfamiliar sensors and actuators from technical datasheets into working nodes with clean interfaces and robust performance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Solutions Engineer

Salary

$120k-$170k + $30k Commission + Equity

Company Description

$36M Series A AI platform backed by the creators of Transformers and Gemini

Job Description

Join a high-growth startup processing tens of millions of documents for enterprise legal and finance teams. As the second Solutions Engineer in NYC, you will bridge the gap between sales and product, designing agentic AI workflows using GPT-4, Claude, and Gemini to solve complex automation challenges for Fortune 500 clients.

Location

New York, USA

Why this role is remarkable

• Work at the frontier of agentic AI with a flagship product that 4x-ed revenue last year and maintains a 160% net retention rate.
• Join a lean, high-trust team backed by the world's leading AI pioneers, including investors who helped build the foundations of modern LLMs.
• High autonomy and impact as one of the first technical hires in the NYC office, directly shaping how enterprises adopt multi-modal AI at scale.

What you will do

• Lead technical discovery and design sophisticated AI solutions, conducting POCs that demonstrate the value of no-code agentic workflows to enterprise prospects.
• Build and implement complex Python-based data pipelines and prompt engineering strategies to automate multi-modal document processing for regulated industries.
• Act as the primary technical partner for high-value accounts, managing up to 10 concurrent projects while feeding critical insights back to product engineering.

The ideal candidate

• Proven experience delivering LLM-powered solutions to customers, with deep technical knowledge of RAG, prompt engineering, and foundation model APIs.
• Strong software development skills in Python and a "prototyper at heart" mentality for building repeatable technical solutions to business problems.
• Exceptional communicator capable of articulating a complex AI vision to both C-suite business stakeholders and technical engineering leaders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He’ll make sure you are considered for this role, and help you find others if you ask.

Title:
Staff AI Engineer at VC-backed AI fintech platform

Job Title

Staff Applied AI Engineer

Salary

Not Disclosed

Company Description

VC-backed AI fintech platform

Job Description

Lead the architectural scaling of a cutting-edge AI platform, transforming it into a high-reliability operational system for complex financial workflows. This Staff role involves defining strategic technical direction for core orchestration, evaluation, and data governance layers, acting as a technical force multiplier to build the gold standard for AI trust and reliability in a regulated environment.

Location

London, UK

Why this role is remarkable

• Rare chance to build a category-defining company in a high-stakes, regulated financial environment.
• Well-funded and backed by top-tier VCs, operating with a dual mandate of speed and continuous learning.
• Opportunity for end-to-end ownership, defining the gold standard for AI trust and reliability from the ground up.

What you will do

• Define and scale the core AI platform architecture, ensuring it supports rapid development of complex agentic workflows.
• Drive organizational quality and trust standards by owning the comprehensive evaluation framework and data governance.
• Provide technical leverage and leadership, unblocking ambiguous problems and mentoring other engineers.

The ideal candidate

• 8+ years in ML/software engineering, with 3+ years architecting and operating scaled production AI/ML systems.
• Proven track record in B2B SaaS backend architecture, especially with complex multi-user workflow orchestration.
• Deep expertise in distributed systems, high-volume Python backends, and designing for auditability in regulated environments.

How to Apply:

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Machine Learning Engineer: LLM Interpretability & Systems

Salary

$175K – $250K + Equity

Company Description

CTGT, Inc. is a venture-backed startup born out of Stanford University research, providing a deterministic governance layer for enterprise AI. Backed by Google’s Gradient Ventures, General Catalyst, and Y Combinator, CTGT, Inc. builds the control plane that enables Fortune 500 institutions to deploy generative AI workflows with auditability and confidence.

Job Description

As a Machine Learning Engineer at CTGT, Inc., you will work deep within the model stack to make generative AI deterministic and reliable. You’ll apply mechanistic interpretability techniques to model weights and activations, building the policy engine that enforces real-time governance for high-stakes enterprise applications at the edge of AI research.

Location

San Francisco, USA

Why this role is remarkable

• Bridge the gap between frontier AI research and real-world production by implementing mechanistic interpretability techniques like activation patching and control vectors.
• Join a high-growth team backed by elite investors including Google’s Gradient Ventures, General Catalyst, and Y Combinator with significant equity upside.
• Develop the core deterministic governance layer required by the world's largest institutions to safely deploy generative AI at scale.

What you will do

• Operationalize mechanistic interpretability research into production-ready code that improves model behavior through direct internal interventions.
• Design and optimize feature-level intervention systems that enable real-time, auditable policy enforcement during model inference.
• Build robust evaluation and deployment loops to ensure model changes are reliably shipped into complex enterprise VPC environments.

The ideal candidate

• Possesses deep expertise in Transformer architectures, PyTorch internals, and the mathematical foundations required for advanced deep learning optimization.
• Demonstrates a proven track record of training or fine-tuning models beyond simple augmentation, specifically probing the mechanics of model cognition.
• Exhibits strong technical ownership with the ability to translate academic papers into high-performance Python, Rust, or TypeScript implementations.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Engineer

Salary

Not Disclosed

Company Description

Emporium AI is an early-stage, research-driven product company building the infrastructure for autonomous AI-native commerce, including generative storefronts, dynamic pricing, and conversational checkout.

Job Description

As a Full-Stack Engineer at Emporium AI, you will build the operating system for AI-native commerce. You'll own end-to-end features across TypeScript, React, and Node.js, moving from design to deployment within weeks. Working directly with live partners in hospitality and e-commerce, you'll bridge the gap between LLM architectures and real-world buyer intent.

Location

New York City, USA

Why this role is remarkable

• Build the future of commerce by creating autonomous agents that negotiate, understand intent, and generate dynamic storefronts in real-time.
• Join a high-velocity, research-driven team based in NYC and Paris that is already shipping products to live partners in hospitality.
• High-impact ownership where you will influence the engineering culture and product roadmap of an early-stage startup from the ground up.

What you will do

• Design and ship end-to-end features across the entire stack, including the AI layer, commerce logic, and user-facing React interfaces.
• Collaborate directly with clients and live partners to iterate on product requirements and see your work in production within weeks.
• Architect scalable systems using TypeScript, Node.js, and PostgreSQL to power agent-to-agent markets and conversational checkout flows.

The ideal candidate

• Has 3–5 years of professional engineering experience with a strong command of TypeScript, React, Node.js, and PostgreSQL.
• Proven track record of shipping consumer or B2B products end-to-end, taking full ownership from initial concept through final delivery.
• Thrives in early-stage environments characterized by ambiguity and values first-principles thinking to solve complex infrastructure problems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

Not Disclosed

Company Description

Asymmetric Security is a $4.2M pre-seed AI-native Digital Forensics and Incident Response company building automated investigation systems to accelerate cyberdefense for the AGI era.

Job Description

Join Asymmetric Security as a Founding Engineer to build the AI systems defining the future of cyberdefense. You will scale a production cloud platform, develop sophisticated agentic AI for automated investigations, and make critical architectural decisions. This 0-to-1 role involves shipping across the full stack while hardening infrastructure for enterprise-scale security operations.

Location

London, UK

Why this role is remarkable

• Founding impact: As one of the first engineers, you will define the technical culture, architecture, and engineering practices of an AI-native security leader.
• High-stakes mission: Protect organizations from complex cyber threats by building automated digital forensics tools that will become ubiquitous in the age of abundant intelligence.
• Strong momentum: Backed by a $4.2M pre-seed round, the platform is already live, serving customers, and automating investigations for hundreds of real cyber attacks.

What you will do

• Develop and deploy agentic AI systems using LangChain and RAG to automate complex, multi-step digital forensics and incident response investigations.
• Ship end-to-end features across a modern stack including FastAPI, React, and DuckDB while managing multi-tenant cloud infrastructure on GCP.
• Design and implement rigorous evaluation frameworks to measure AI performance against real-world cyber incidents and harden production-scale security infrastructure.

The ideal candidate

• Proven track record of shipping and operating production software with strong Python backend skills in asynchronous patterns, APIs, and task pipelines.
• Hands-on experience deploying LLMs in production environments and a deep understanding of cloud infrastructure, containerization, and data-intensive workloads.
• A proactive 0-to-1 builder who thrives in ambiguity and has experience leading technical initiatives or founding side projects.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Software Engineer

Salary

$140K - $200K + Equity

Company Description

Northslope Technologies is a high-growth Series A startup founded by ex-Palantir engineers building custom AI products for Fortune 500 companies and governments. Bootstrapped to 7x revenue growth before raising institutional capital, the team includes elite talent from Eleven Labs, McKinsey, Google, and Uber, focused on deploying production-grade ML and LLM solutions.

Job Description

As a Forward Deployed Software Engineer at Northslope Technologies, you will architect and build mission-critical applications that solve complex enterprise problems. Working directly with stakeholders, you’ll transform disparate data into operator-centered workflows using Python, TypeScript, and the Palantir Foundry platform. You’ll own the entire lifecycle from conception to production, driving measurable business impact at uncommon speed.

Location

New York, USA

Why this role is remarkable

• Work in a high-velocity, 0->1 environment where every engagement functions like a mini-startup with no PM layers or bureaucracy.
• Join an elite technical team of ex-Palantir, Google, and Uber engineers at a company that grew revenue 7x before its Series A.
• Solve "move-the-needle" problems for the world's most ambitious organizations, putting powerful AI tools directly into the hands of real operators.

What you will do

• Partner closely with customers to conceive, architect, and maintain sophisticated applications that operationalize enterprise data and transform business workflows.
• Rapidly iterate and build production-ready software using Python and TypeScript on the Palantir Foundry and AIP operating system.
• Embed with client teams to understand pain points and deliver tangible outcomes that significantly improve the customer's bottom line.

The ideal candidate

• Possesses professional proficiency in Python and/or TypeScript with a demonstrated ability to build applications using large, complex datasets.
• Exhibits an obsession with customer success and a track record of delivering real-world outcomes through code or technical analytics products.
• Is comfortable working autonomously in a hybrid environment and willing to travel 10-33% for onsite client implementations and high-impact deployments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI-Native Product Engineer

Salary

Not Disclosed

Company Description

Seed-stage fintech data platform

Job Description

As a founding member of a seed-stage fintech startup, you will establish the standards for building high-stakes financial products using AI agents. You will manage multiple agentic workflows in parallel to ship complex data features while maintaining extreme accuracy. This role blends engineering leadership with hands-on product ownership in a high-growth environment.

Location

New York, USA

Why this role is remarkable

• Define the AI-native engineering playbook from the ground up, setting global standards for agentic development patterns.
• Join a well-funded, seed-stage startup backed by top-tier VCs with active customers and high-stakes financial data requirements.
• High-impact founding role where you own the entire feature surface area and influence the company's technical operating model.

What you will do

• Run 4-10 AI agents in parallel to execute feature development across the full stack, focusing on throughput and quality.
• Design the "harness" for AI-generated code, including evaluation frameworks and behavioral tests to ensure data integrity.
• Partner with product leadership to translate complex financial workflows into actionable technical specs for agentic execution.

The ideal candidate

• 8+ years of full-stack experience shipping production applications using TypeScript, React, and Python or similar languages.
• Demonstrated experience using agentic tools like Claude Code or Cursor on production-grade code, not just personal experiments.
• A mindset that prioritizes product impact and feature delivery over the manual craft of authoring every line of code.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Software Engineer

Salary

Not Disclosed + Equity

Company Description

Made is a pre-seed fashion-tech startup building an AI-powered operating system to replace the $1.7T apparel industry's broken supply chain with on-demand, zero-waste manufacturing.

Job Description

Join Made as a founding engineer to transform a proven prototype into a scalable MVP. You’ll build the technical foundation for a platform that connects generative AI design with a distributed micro-factory network. This role offers high autonomy to solve structural failures in fashion while working directly alongside experienced founders.

Location

California, USA

Why this role is remarkable

• Opportunity to solve a $1.7T global industry problem by replacing slow, wasteful supply chains with a real-time, AI-driven manufacturing alternative.
• Founding team access and high ownership with 0.5–1.5% equity in a pre-seed startup founded by veterans in fashion, climate tech, and sustainable manufacturing.
• Unique technical challenge bridging the digital and physical worlds, working with generative AI, computational design, and a distributed micro-factory network.

What you will do

• Architect and develop full-stack features for the "Made OS" platform, taking the existing working demo to a production-ready MVP.
• Implement and optimize generative AI workflows and modular product engineering tools to enable instant, custom garment design for creators and brands.
• Collaborate directly with the founding team to define the technical roadmap, prioritize features, and establish the company's engineering culture and standards.

The ideal candidate

• 2–6 years of full-stack engineering experience with a strong background in building production systems, modern APIs, and distributed cloud architectures.
• Demonstrated interest or experience in generative AI, computational geometry, or 3D creative tooling such as WebGL, WebGPU, or CAD systems.
• High autonomy and a builder’s mindset, comfortable moving fast in an ambiguous startup environment to own features from conception through to deployment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Director of Operations

Salary

$155,000-$190,000

Company Description

GovAI is an influential AI governance think tank and talent development organization that has scaled from 3 to 50 staff in three years and works directly with frontier AI labs and global governments.

Job Description

As Director of Operations, you will lead a 13-person team and build the systems necessary to scale GovAI from 50 to 100+ staff. You will oversee finance, HR, and program administration while spearheading strategic initiatives to support our mission of guiding the transition to advanced AI safely and effectively.

Location

London, UK / Washington DC, USA / Remote

Why this role is remarkable

• Exceptional organizational leverage as a force multiplier for the world's leading AI governance research body during a critical phase of global growth.
• Unique intellectual environment that balances rigorous research with a supportive, high-performing culture often described as an exceptional place to work.
• Direct impact on global policy; GovAI alumni hold pivotal roles in the UK Prime Minister’s office, the EU AI Office, and labs like OpenAI and Anthropic.

What you will do

• Lead and grow a high-performing operations team, expanding from 13 FTEs to support a total organizational headcount of 100 staff within two years.
• Build robust operational infrastructure across finance, HR, legal, and program administration capable of managing over 20,000 annual fellowship applications.
• Collaborate with the Chief of Staff and Executive Director to design and execute organization-wide strategy and lead high-priority strategic initiatives.

The ideal candidate

• Proven experience scaling operations in a high-growth environment, ideally taking a mission-driven organization from 50 to 100+ employees.
• Versatile generalist expertise across core functions including finance, HR, legal compliance, and complex program management for large-scale talent initiatives.
• Strong people management skills with a track record of building healthy team cultures and mentoring leaders in a fast-paced, mission-driven setting.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Title:
Founding Engineer (+ Equity) at fast-growing AI automation startup

Job Title

Founding Engineer

Salary

Not Disclosed + Equity

Company Description

Fast-growing AI automation startup

Job Description

As a Founding Engineer, you will build the AI layer designed to autonomously run small businesses. Working alongside a proven technical founder with a massive previous exit, you will ship step-changing features, integrate cutting-edge intelligence into core products, and architect scalable backend systems to enable autonomous operations for thousands of customers.

Location

Remote

Why this role is remarkable

• Join an elite founding team led by a founder who achieved a $300m bootstrapped exit.
• Exceptional financial stability with a significant internal warchest and real-value equity options.
• High-agency environment where you build never-before-seen AI features hands-on with absolute autonomy.

What you will do

• Build and ship end-to-end product features integrating voice, reasoning, and context management.
• Architect robust APIs and data pipelines that fuel intelligent agent decision-making.
• Shape DevOps practices and backend infrastructure for large-scale knowledge extraction and enrichment.

The ideal candidate

• Deep expertise in full-stack Javascript or backend Python with a track record of rapid shipping.
• High-agency mindset with a strong sense of ownership and the ability to act on imperfect information.
• AI-fluent engineer who utilizes modern tools to maximize efficiency and deliver top-tier results.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

$160k-$200k + Equity

Company Description

Radical Health is a $100M valuation San Francisco startup backed by Khosla Ventures and the Mayo Clinic building a world-class AI Cancer Doctor. Their foundation model is trained on over 1 billion multimodal events from the top cancer centers in the United States, providing expert-level care to patients who otherwise lack specialist access.

Job Description

Join an elite team to build the patient-facing AI oncologist product. You will own the full-stack lifecycle of landing pages, onboarding flows, and retention experiments, shipping to production in your first week. Your data-driven experiments will directly impact patient outcomes by helping them access expert-level treatment recommendations and 24/7 nursing support.

Location

San Francisco, USA

Why this role is remarkable

• Work on a generational AI mission alongside an elite team where 75% of members are ex-founders from DeepMind, WebMD, and Teladoc.
• Leverage an unprecedented data advantage with access to 1B+ multimodal events from top US cancer centers and backing from Khosla Ventures and the Mayo Clinic.
• Join an extreme high-agency environment where you push to production immediately and see your experiments move the needle on life-saving patient metrics.

What you will do

• Own the entire patient-facing product surface area, including landing pages, onboarding flows, and retention loops that drive user growth.
• Instrument every feature to measure impact against the active user north star, ruthlessly unshipping anything that does not move the numbers.
• Execute rapid-fire live experiments multiple times per week, utilizing AI-native workflows to optimize how cancer patients find and access expert care.

The ideal candidate

• Proven full-stack speed with expertise in React/TypeScript and Python, capable of taking features from ideation to production to measurement independently.
• Prior experience as a founder or one of the first five hires at an early-stage startup, demonstrating a high-agency mentality and ship rate.
• Data-driven and AI-native professional who uses AI tools as their default workflow and makes objective product decisions based on rigorous instrumentation.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

$140k-$250k + Equity

Company Description

Opal Security is a $59M Series B cybersecurity firm backed by Greylock and Battery, building AI-native identity governance for companies like Databricks and Figma.

Job Description

As a Forward Deployed Engineer at Opal Security, you will serve as the critical technical bridge between enterprise customers and our core product team. You’ll architect complex deployments, build custom integrations, and solve mission-critical identity challenges for high-scale organizations. This high-impact role blends deep software engineering with strategic field-facing problem-solving.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-growth Series B team with $59M in funding from premier investors like Greylock and Battery, where over 60% of the team has joined since early 2026.
• Work at the cutting edge of AI-native identity governance, building the essential security infrastructure that organizations like Databricks and Figma use to manage AI agents.
• Benefit from direct mentorship under a world-class leadership team featuring veterans from Meta, Nutanix, and Cisco in a culture of extreme autonomy and product influence.

What you will do

• Embed within enterprise sales and implementation cycles to architect custom deployments and prototype integrations that unblock major customers during critical growth phases.
• Debug complex customer environments, including Terraform configurations and RBAC issues, while writing production-quality code that feeds directly back into the core Opal product.
• Serve as a primary technical advisor to CISOs and security teams, translating high-level field requirements into specific product roadmaps and engineering priorities.

The ideal candidate

• Possesses a strong software engineering background with the ability to write production-ready code across the stack while remaining pragmatic about unblocking customer needs.
• Demonstrates exceptional communication skills, excelling in high-stakes environments where listening, asking deep technical questions, and building customer trust are vital for success.
• Has experience with modern infrastructure tools like Terraform and a passion for rethinking identity governance and access management in the age of AI.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Engineering

Salary

$225k-$325k + Equity

Company Description

BUILD, Inc. is a high-growth AI startup backed by Index Ventures and leaders from Blackstone and OpenAI. Founded in late 2024, they are building an agentic AI stack for institutional real estate, already generating 7-figure revenue and automating complex development workflows 90% faster for global asset managers.

Job Description

As Head of Engineering, you will own the technical execution of Build’s agentic AI platform. You’ll architect scalable systems, lead a high-output engineering team, and encode complex real estate domain logic into production-grade software. This hands-on leadership role is critical for scaling a product that institutional clients trust with multi-billion dollar decisions.

Location

San Francisco and New York City, USA

Why this role is remarkable

• Join a seed-stage powerhouse backed by Index Ventures and C-suite leaders from Blackstone and OpenAI, scaling from 7-figures toward 8-figures in revenue.
• Work directly with founders who scaled companies like 11x.ai and Gorillas, operating in a high-intensity environment that ships faster than teams ten times its size.
• Shape a generational company at the intersection of AI and the $300T+ built world asset class, turning digital infrastructure and energy projects into reality.

What you will do

• Own the engineering function end-to-end, including architecture, infrastructure, security, and execution velocity for a production-grade agentic AI platform.
• Hire and lead an elite, high-output engineering team, setting a technical bar focused on judgment, depth, and extreme ownership.
• Partner with product and domain leads to translate institutional real estate workflows into robust, observable AI systems that handle real-world load.

The ideal candidate

• Proven experience scaling a vertical AI company (e.g., Harvey, Sierra, or Glean) through major growth phases, with deep expertise in LLM production systems.
• A hands-on technical leader who still codes and can debug production issues while simultaneously making high-level architectural tradeoffs and hiring decisions.
• Extensive B2B or enterprise experience shipping software that institutional clients trust with high-stakes financial and regulatory data.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Sr. GTM Recruiter

Salary

$160K–$200K + Equity

Company Description

High-growth enterprise infrastructure startup

Job Description

As a Sr. GTM Recruiter, you will lead the charge in scaling the go-to-market teams during a critical growth phase. You'll partner closely with leadership to define talent strategies, manage full-cycle recruitment for sales and marketing roles, and ensure a world-class candidate experience that reflects the company's high-performance culture and technical excellence.

Location

San Francisco, USA

Why this role is remarkable

• Join a rapidly scaling organization at a pivotal moment, shaping the core GTM foundation.
• Backing from top-tier VCs and a leadership team with a proven track record in technical sectors.
• High-impact role with direct influence on the company's commercial success and cultural evolution.

What you will do

• Manage full-cycle recruitment for diverse GTM roles, from sales development to executive-level positions.
• Collaborate with hiring managers to refine job specifications, interview processes, and sourcing strategies.
• Drive diversity and inclusion initiatives throughout the recruitment lifecycle to build a balanced, high-performing team.

The ideal candidate

• Proven experience recruiting for GTM functions within high-growth B2B SaaS or technical environments.
• Exceptional relationship-building skills with a track record of partnering effectively with senior leadership.
• Analytical mindset with the ability to use data to drive recruitment decisions and process improvements.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

$250k-$300k + Equity

Company Description

Caplight is building the real-time data and trading infrastructure for private markets, bringing transparency to historically opaque and illiquid assets. Based in San Francisco, Caplight provides institutional players with the pricing and tools needed to move quickly on private securities, transforming fragmented data into actionable financial intelligence.

Job Description

Join Caplight’s founding team as a Full Stack Engineer to build the infrastructure powering private market trading. You will own entire product areas, from real-time pricing data surfaces to institutional-grade trading interfaces. This high-impact role requires a blend of technical depth, product instinct, and a strong design sense to create sophisticated financial tools.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-leverage founding team in San Francisco with significant influence over the product’s direction and the company’s ultimate culture.
• Tackle deep technical challenges in private market infrastructure, turning fragmented, stale data into real-time, institutional-grade trading and pricing tools.
• Experience a unique "AGI-pilled" environment where you are encouraged to max out parallel agent management to accelerate development and product delivery.

What you will do

• Own and build end-to-end product features, from the underlying data infrastructure to the sleek, intuitive interfaces relied on by institutional users.
• Collaborate closely with the small founding team to translate complex business requirements into high-performance financial infrastructure and data surfaces.
• Leverage advanced AI workflows and agent management to ship features rapidly without compromising on design quality or technical robustness.

The ideal candidate

• At least 5 years of full-stack engineering experience with a proven track record of shipping complex, user-facing products at scale.
• Strong product instincts and an exceptional eye for design, capable of building beautiful, functional features without needing a dedicated designer.
• An entrepreneurial, "AGI-pilled" mindset with high business acumen and the ability to move fast on ambiguous, cross-disciplinary problems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Strategist

Salary

$150k-$180k + Bonus

Company Description

Elite AI strategy and transformation firm

Job Description

You will drive AI adoption within Fortune 500 companies by redesigning legacy workflows and shipping production-ready agentic solutions. Partnering directly with major AI labs, you’ll move engagements from high-level executive strategy to boots-on-the-ground implementation, ensuring AI tools actually transform how teams operate rather than sitting as unused pilots.

Location

New York, USA

Why this role is remarkable

• Work directly alongside the Applied AI teams of the world's leading foundation model labs on high-stakes client problems.
• Join a well-funded, elite team that moves beyond theory to ship functional, agentic workflows for global enterprises.
• Shape the future of Fortune 500 operations by bridging the gap between frontier technology and practical business execution.

What you will do

• Conduct deep-dive audits of existing business processes to identify high-impact opportunities for AI-native workflow redesign.
• Collaborate with engineers to build and deploy solutions using a modern stack including Claude, Cursor, and low-code platforms.
• Manage senior executive relationships, ensuring AI strategy aligns with core business goals and drives measurable operational improvements.

The ideal candidate

• 3-7 years of experience in strategy, operations, or product roles at top-tier consultancies or high-growth AI startups.
• Hands-on proficiency with modern AI tools like Claude and n8n, combined with a strong bias toward shipping functional products.
• Exceptional communication skills with the ability to navigate both C-suite strategy sessions and technical engineering sprints with ease.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer - Core Financial Platform

Salary

$180k-$275k + Equity

Company Description

Basic Capital is a $25M Series A fintech based in SoHo, NYC, backed by Lux Capital and Forerunner Ventures. They are rebuilding the infrastructure of America’s $1T retirement industry, creating a fundamentally new retirement system powered by a team of elite engineers from Stripe, Uber, and Goldman Sachs.

Job Description

As a Software Engineer on the Core Financial Platform team, you will design and build the high-reliability systems responsible for moving money at scale. You will architect event-driven workflows, design reconciliation logic, and own the infrastructure for trading and fund management, ensuring the transparency and reliability that modern retirement investing requires.

Location

New York, USA

Why this role is remarkable

• Work directly with an elite team of senior engineers who have built mission-critical financial systems at scale for companies like Stripe, Square, and Uber.
• Tackle deep technical challenges by rebuilding retirement infrastructure from the ground up, replacing decades-old legacy systems with modern, transparent, event-driven architectures.
• Join a high-impact, $25M Series A startup backed by top-tier investors like Lux Capital, Forerunner Ventures, and Henry Kravis in a high-performance SoHo office.

What you will do

• Architect and build core trading, financing, and fund management systems that orchestrate and reconcile complex flows of funds with high reliability.
• Design and implement event-driven backend systems and asynchronous workflows using tools like Kotlin, Temporal, and modern cloud infrastructure.
• Participate in high-level architecture discussions and code reviews, maintaining complete ownership of mission-critical transaction systems from design to production.

The ideal candidate

• Has 3+ years of experience building distributed, high-reliability backend systems and event-driven architectures using languages like Kotlin, Go, or Rust.
• Demonstrates strong expertise in relational databases like PostgreSQL/MySQL and cloud infrastructure (AWS/GCP), with a focus on correctness and system reliability.
• Thrives in a fast-paced, high-agency environment and is excited to work in-office in SoHo to solve complex social and financial problems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Product Engineer

Salary

$200,000 - $230,000 + Equity

Company Description

Seed-stage PropTech startup founded by MIT alumni with $1M ARR

Job Description

You will lead the technical architecture for an AI-powered operating system for commercial real estate. As a high-ownership product engineer, you will build full-stack features using Python and TypeScript, design complex data pipelines, and develop real-time collaborative tools that enable brokers and investors to manage billions in physical assets efficiently.

Location

Cambridge, USA

Why this role is remarkable

• Direct influence on the product roadmap and technical foundation of a startup already generating $1M ARR with a lean team of ten.
• High-autonomy environment where you write your own tasks and move from first principles rather than following a corporate playbook.
• Significant equity upside in a company building the "Salesforce + Claude for Real Estate," modernizing a massive, fragmented global industry.

What you will do

• Drive full-stack architecture and technical direction across backend, frontend, and data services using Python and TypeScript.
• Design and maintain high-performance data pipelines to unify disparate sources using orchestration tools like Dagster or Airflow.
• Build and ship multiplayer, real-time synchronization features and AI-agent workflows to enhance user collaboration and data analysis.

The ideal candidate

• Proven experience designing and shipping full-stack applications with heavy data model manipulation in Python, TypeScript, and PostgreSQL.
• Technical expertise in building data pipelines, handling geospatial data (PostGIS/GeoJSON), and optimizing complex queries for speed.
• A craftsperson's mindset with a history of driving technical strategy at early-stage startups or as a former founder.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer (AI Agents)

Salary

$180K - $300K + Equity

Company Description

Pylon Labs, Inc. is a $51M Series B startup backed by a16z and BCV, building an all-in-one B2B post-sales support platform. Leveraging conversational data and intelligence, they help over 1,300 companies like Linear and Cognition manage operations in real-time, earning a spot on the prestigious Enterprise Tech 30 list.

Job Description

Join Pylon Labs, Inc. to architect the future of AI-driven customer support. You will build and scale the next generation of AI features, directly impacting how over 1,300 leading tech companies manage their post-sales workflows. This high-impact role involves rapid iteration, ownership of complex technical challenges, and shipping code in a high-performance, engineer-led environment.

Location

San Francisco, USA

Why this role is remarkable

• Join a $51M Series B company backed by top-tier investors like a16z, BCV, and General Catalyst while they scale rapidly from a position of strength.
• Work on cutting-edge AI agent technology used by industry leaders like Cognition (makers of Devin) and Linear to automate complex support workflows.
• Collaborate with a world-class technical team of senior engineers hailing from premier technology companies including Samsara, Affinity, and Airbnb.

What you will do

• Build and deploy the next generation of AI features at Pylon Labs, Inc., rapidly iterating based on direct customer feedback and performance metrics.
• Improve the underlying quality, performance, and reliability of AI agents and intelligent features within the core support and customer success platform.
• Take full ownership of technical projects, managing end-to-end delivery from initial architecture to final shipment in a high-autonomy, low-meeting environment.

The ideal candidate

• Demonstrates strong engineering fundamentals with professional experience in React, Golang, GraphQL, and AWS to build and maintain scalable enterprise software.
• Thrives in a high-productivity culture where shipping code, autonomous project management, and attention to detail are the primary drivers of success.
• Is based in or willing to relocate to San Francisco to work in-person with a growing team of over 90 talented professionals.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Engineer

Salary

Not Disclosed

Company Description

$37M Series B Kinnevik-backed AI hospitality platform revolutionizing restaurant operations

Job Description

You will tackle the most ambiguous and technically complex problems across a high-growth product and platform. As a backend-leaning full-stack lead, you will drive architectural decisions, influence product roadmaps, and build predictive AI systems that optimize margins for global restaurant chains. This is a high-leverage role focused on creating systemic technical excellence.

Location

Dublin, Ireland; London, UK; Spain (Remote)

Why this role is remarkable

• Join a fast-growing Series B scale-up fresh off a $37M funding round led by Kinnevik to automate the hospitality industry.
• Work at the frontier of AI and hospitality, building intelligent systems that directly impact the bottom line of enterprise restaurant partners.
• Enjoy a remote-first culture with incredible benefits including 35 days of leave, work-from-anywhere flexibility, and meaningful equity ownership.

What you will do

• Lead the framing, execution, and rollout of high-impact technical initiatives that cut across multiple cross-functional engineering squads.
• Partner with leadership to define pragmatic technical directions and sequence complex work for scalable, long-term architectural health.
• Mentor and raise the effectiveness of the entire engineering organization through hands-on problem solving and clear technical communication.

The ideal candidate

• Deep expertise in production backend systems using Python, FastAPI, Node.js, and complex data modeling in Postgres or MongoDB.
• Proven track record of operating across the full stack (React/TypeScript) and shipping end-to-end features in constrained startup environments.
• Exceptional architectural judgment with the ability to identify foundational gaps and design systems that enable teams to move faster.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Communications Director at Enterprise Britain

Job Title

Communications Director

Salary

Not Disclosed

Company Description

Enterprise Britain - campaign-driven movement for UK economic prosperity

Job Description

As Communications Director, you will lead the national narrative for a high-profile movement of business leaders and investors. Reporting to the Executive Director, you’ll oversee media relations, content strategy, and rapid response campaigns. This is a foundational hire designed to bridge the gap between Westminster politics and real-world entrepreneurial ambition.

Location

London, UK

Why this role is remarkable

• Work directly with an elite Advisory Board including the founders of OVO Energy, lastminute.com, and Innocent Drinks, as well as a former FT Editor.
• Influence the UK’s economic policy at the highest levels by building cross-party consensus and leading a movement focused on tangible action rather than just theory.
• Enjoy genuine autonomy to build a communications function from the ground up within a fast-paced, high-impact organization backed by some of Britain's most successful business figures.

What you will do

• Develop and execute overarching communications strategies for national policy campaigns, research reports, and reactive news moments.
• Build and maintain deep relationships with key journalists, editors, and broadcasters across UK print and digital media to ensure consistent coverage.
• Oversee all content output including social media, high-stakes op-eds, major speeches, and policy reports to maintain a consistent and compelling voice.

The ideal candidate

• Has 10+ years of experience in media relations and storytelling, ideally within campaign-driven organizations, top political agencies, or senior journalism.
• Possesses a deep understanding of how decisions are made in Whitehall and Westminster without being a traditional policy wonk.
• Is a tech-savvy campaigner who uses AI tools to boost efficiency and has the discipline to land messages with the right audiences at the right time.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Frontend Engineer

Salary

Not Disclosed

Company Description

Stealth AI-powered retention startup

Job Description

As a Frontend Engineer at this stealth AI startup, you will architect and own the user-facing side of products designed to solve subscriber churn. Working alongside high-caliber founders, you'll build robust, scalable interfaces using React and TypeScript. This role offers high autonomy to shape the frontend culture and drive the adoption of modern technologies in a fast-paced environment.

Location

San Francisco, USA

Why this role is remarkable

• High autonomy as an early hire, directly influencing the product roadmap and frontend architecture from day one.
• Backed by top-tier venture capital and founded by experienced leaders who have scaled products to millions of users.
• Solving a critical revenue problem—consumer churn—for real brands using cutting-edge AI agent technology.

What you will do

• Architect and build robust, scalable user interfaces for new product features using modern frameworks.
• Collaborate directly with backend, product, and design teams to deliver integrated, high-performance solutions.
• Drive the adoption of frontend best practices and shape the engineering culture from the ground up.

The ideal candidate

• Professional experience in frontend development with strong JavaScript/TypeScript and React skills.
• Proven ability to integrate complex frontend applications with backend APIs while maintaining performance.
• Strong understanding of UI/UX principles and a passion for building intuitive, high-quality user experiences.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Member of Technical Staff + Equity

Salary

Not Disclosed + Equity

Company Description

Expedite is a stealth AI-native law firm for international founders, founded by a 2X YC founder and a top VC general counsel, backed by leaders from DeepMind, Hugging Face, OpenAI, and Sequoia scouts.

Job Description

As the founding Member of Technical Staff at Expedite, you will own the product end-to-end, building AI systems that automate legal workflows for international founders. You'll ship production-grade TypeScript across the stack, moving beyond simple chatbots to create intelligent systems for case preparation, document generation, and evidence analysis in a fast-paced, pre-PMF environment.

Location

London, UK

Why this role is remarkable

• Join as engineer #2 on a founding team led by a 2X YC founder and a top VC general counsel, offering significant equity and massive influence.
• Work with an elite backing group including the ex-Head of Product at DeepMind, the Founder of Hugging Face, the Head of Startups at OpenAI, and Sequoia scouts.
• Build an AI-native law firm from the ground up, moving beyond chatbots to create sophisticated agentic systems that replace weeks of legal labor with minutes of automation.

What you will do

• Own the product lifecycle end-to-end, from defining features and talking to users to shipping production code across the frontend, backend, and AI layers.
• Develop and iterate on complex AI systems that automate legal case preparation, document generation, and evidence analysis using a stack including OpenAI, Claude, and Gemini.
• Architect and maintain a robust TypeScript monorepo using React, Drizzle ORM, and oRPC, ensuring high-quality software design while leveraging AI code-generation tools effectively.

The ideal candidate

• Proven experience shipping production-grade TypeScript across the full stack, specifically with React and Node.js (Drizzle or similar ORM experience preferred).
• Hands-on expertise building with LLM providers (OpenAI, Claude, Gemini) or agent frameworks, with the ability to direct AI coding tools rather than just accepting suggestions.
• Early-stage DNA characterized by high autonomy, a desire to own product outcomes, and the software design instincts needed to build scalable systems from scratch.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Architect

Salary

Not Disclosed

Company Description

Well-funded property management SaaS platform

Job Description

As a Software Architect, you will lead the evolution of a complex distributed ecosystem, bridging the gap between high-level business strategy and technical execution. You will define architectural standards, mentor senior engineers, and ensure the platform scales effectively while maintaining high performance and security across a growing suite of enterprise services.

Location

London, UK

Why this role is remarkable

• High-impact leadership position overseeing the technical direction of a market-leading platform during a period of significant scale.
• Backed by top-tier VCs, providing a stable yet fast-paced environment with substantial resources for technical innovation.
• Opportunity to solve complex distributed systems challenges within a mission-critical industry that affects millions of users.

What you will do

• Design and oversee the implementation of scalable, secure, and resilient microservices architectures across the entire product suite.
• Partner with product and engineering leadership to translate long-term business goals into robust technical roadmaps and architectural blueprints.
• Foster a culture of technical excellence by mentoring engineering teams and establishing best practices for code quality and system design.

The ideal candidate

• Extensive experience as a Software Architect or Principal Engineer building and scaling high-traffic enterprise SaaS applications.
• Deep expertise in modern distributed systems, cloud-native infrastructure, and designing complex API integrations at scale.
• Proven ability to influence cross-functional stakeholders and lead technical decision-making processes across multiple engineering squads.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

People Manager

Salary

Up to £60,000 + Equity

Company Description

Limbic is a mission-driven Series A AI company backed by Khosla Ventures, building clinical-grade tools to solve global supply and demand challenges in mental healthcare. As the first AI mental health decision support tool with UKCA Class IIa certification, Limbic is already a market leader within NHS Talking Therapies.

Job Description

As the first dedicated People Manager at Limbic, you will own the entire people function for a scaling international team across the UK, Europe, and the US. Reporting to the Finance Director, you will build scalable operations, strengthen company culture, and manage the full employee lifecycle during this critical growth stage.

Location

London, UK

Why this role is remarkable

• Join a fast-moving, Series A company backed by prestigious US VCs like Khosla Ventures and work on AI that has already achieved UKCA Class IIa certification.
• Enjoy high-impact ownership as the sole People hire, building the function from the ground up while directly influencing culture across three international territories.
• Work at the intersection of AI and healthcare, contributing to a mission that makes high-quality mental health therapy accessible to everyone, everywhere at scale.

What you will do

• Own and manage the full employee lifecycle, from global hiring and onboarding to performance reviews, compensation frameworks, and employee offboarding.
• Partner with leadership to scale operations internationally, ensuring contracts, compliance, and HR systems are robust for the UK, Europe, and expanding US teams.
• Lead internal culture and engagement initiatives, implementing AI-driven tools to improve operational efficiency while maintaining a supportive, mission-driven work environment.

The ideal candidate

• You have experience owning or scaling people operations within a fast-paced startup or growth-stage environment, preferably with exposure to international or US-based teams.
• You are highly organized and comfortable building processes from scratch, switching between strategic planning and hands-on execution across payroll, benefits, and HR systems.
• You are a proactive, tech-savvy problem solver who naturally uses AI tools to improve workflows and possesses the judgment to navigate sensitive people situations.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Information Security Officer

Salary

£65k-£85k + Equity

Company Description

Definely is a Series B LegalTech company backed by Microsoft, Google, and Octopus Ventures. Founded by former Freshfields lawyers, they build AI-powered contract review tools used by over 150 elite firms globally, including Magic Circle leaders like A&O Shearman and Slaughter and May, to streamline complex legal workflows.

Job Description

As Senior Information Security Officer at Definely, you will own the company’s security posture and compliance programs. You’ll lead ISO 27001 and SOC 2 audits, manage risk assessments, and secure AI-driven product features. This pivotal role combines governance with hands-on IT operations to safeguard sensitive data for world-leading legal enterprises.

Location

London, UK

Why this role is remarkable

• Shape the security strategy for a high-growth LegalTech company recently backed by a Series B funding round from Microsoft, Google, and Octopus Ventures.
• Impact global legal giants like Samsung and IKEA by ensuring the security of AI-driven tools used for critical contract negotiations.
• Enjoy a high-impact, hybrid role that blends strategic governance with tactical IT operations, offering direct influence over the company's scaling security infrastructure.

What you will do

• Own and evolve Definely’s Information Security Management System (ISMS), leading readiness for ISO 27001, SOC 2 Type II, and ISO/IEC 42001 certifications.
• Embed secure SDLC practices and perform threat modelling for AI/LLM-enabled products, working closely with engineering to safeguard product design.
• Manage day-to-day IT operations, including device management and onboarding, while leading company-wide incident response plans and vendor security reviews.

The ideal candidate

• Proven experience managing ISO 27001 and SOC 2 certifications within a SaaS or product-led environment, ideally using compliance automation tools like Drata.
• Technical expertise in cloud security (Azure or AWS), identity management (SSO/IAM), and securing AI-based systems.
• Strong background in both security governance and hands-on IT support, with relevant certifications such as CISSP, CISM, or ISO 27001 Lead Auditor.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Fullstack Kotlin Engineer

Salary

Not Disclosed

Company Description

Leading technology-enabled healthtech platform

Job Description

As a Fullstack Kotlin Engineer, you will drive the technical strategy for a pioneering remote care platform. You will build backend services, web portals, and Android robot applications entirely in Kotlin. This role is pivotal in migrating to a V2 architecture, integrating advanced AI capabilities, and scaling technology that measurably improves lives.

Location

Remote, UK

Why this role is remarkable

• Work on mission-driven technology that combines robotics, virtual care, and AI to help vulnerable individuals live independently.
• Join a well-funded scale-up with national reach, offering the agility of a startup with the stability of an established provider.
• Lead architectural decisions and technical roadmaps while leveraging agentic coding tools and AI-assisted development to maximize velocity.

What you will do

• Drive technical strategy and own the architecture roadmap for backend services, web portals, and Android applications.
• Develop and scale the platform's V2 architecture, integrating AI features like predictive alerts, falls detection, and conversational triage.
• Collaborate with operations and IoT teams to integrate medical devices and translate real-world care feedback into platform improvements.

The ideal candidate

• Professional experience with idiomatic Kotlin across backend (Ktor/Spring Boot), web (Compose for Web), and Android targets.
• Demonstrated ability to form and execute technical strategy, including architectural decisions and build-vs-buy analysis in regulated environments.
• Fluency with AI-assisted development tools (Cursor, Claude, or Copilot) and a bias for action in fast-paced engineering cultures.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Project Manager

Salary

£50k-£70k

Company Description

Tended Ltd is a £12m venture-backed safety technology scale-up, supported by Blackfinch Ventures and the European Space Agency, building high-precision positioning systems to prevent workplace fatalities. Their award-winning geofencing solution has been recognized as one of TIME’s Best Inventions for its impact on industrial and rail worker safety.

Job Description

As Project Manager, you will lead a £3m annual deployment program transforming safety for 4,000 rail workers. You’ll manage the end-to-end rollout of award-winning geofencing technology, leading a delivery team on-site and remotely. This hands-on role combines strategic program management with direct user training to ensure life-saving technology is adopted across the rail industry.

Location

Remote, United Kingdom

Why this role is remarkable

• Mission-driven work: You are deploying award-winning technology, named one of TIME’s Best Inventions, specifically designed to stop people from being killed at work.
• High-impact ownership: Own a major £3m annual deployment program from end-to-end, managing a team of 3-5 and directly influencing the safety of thousands of workers.
• Strong financial backing: Join a rapidly growing scale-up with £12m in funding from prestigious investors like Blackfinch Ventures, Basinghall Partners, and the European Space Agency.

What you will do

• Lead a delivery team of 3-5 Implementation Managers, coaching them to ensure high-quality technology deployment and unblocking operational hurdles.
• Manage the end-to-end rollout of high-precision positioning systems, including scheduling, stakeholder management, and direct on-site training for rail workers.
• Act as the primary face of the program for major clients, reporting progress transparently and building trust with frontline staff and operations teams.

The ideal candidate

• Significant experience in project management disciplines including risk management, timelines, and quality control, preferably within the rail or heavy industry sectors.
• Proven ability to deliver training and drive technology adoption among diverse user groups, including those who may be skeptical of new processes.
• Self-directed leader with a full driving license who is willing to work occasional nights and weekends to support frontline rail deployments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$180k-$300k + Equity

Company Description

High-growth AI voice startup

Job Description

You will own core software components end-to-end, from architecture to production reliability. Focusing on AI voice orchestration, simulation systems, and outbound strategy, you'll build autonomous agents that lead complex conversations. This role offers the chance to ship rapidly alongside a high-density team of industry veterans while shaping the future of conversational AI.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite team of engineers from top-tier tech companies and universities building cutting-edge voice orchestration.
• Work at a well-funded, Series A-backed startup that has achieved significant market traction and massive scale in record time.
• Own mission-critical infrastructure for AI agents that move beyond simple follow-the-leader interactions to drive goal-oriented conversations.

What you will do

• Architect and implement core systems for AI agent orchestration, voice infrastructure, and large-scale call scheduling.
• Build advanced simulation and evaluation frameworks to ensure the reliability and persuasiveness of autonomous voice agents.
• Collaborate with founders and product teams to translate customer requirements into maintainable, scalable software solutions using AI coding tools.

The ideal candidate

• Extensive experience designing and delivering major product features within high-growth startup environments, ideally from Seed to Series B.
• Expert proficiency in at least one major programming language and a deep understanding of software design patterns and best practices.
• Proven ability to leverage AI coding agents and internal tooling to increase shipping velocity while maintaining high code quality.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Security Engineer

Salary

$210K – $350K + Equity

Company Description

Giga is a $61M Series A startup building enterprise-grade AI agents for world-class brands like DoorDash. They are revolutionizing customer experience through real-time voice superintelligence that understands emotion and resolves complex issues at scale, supported by a high-caliber engineering team based in San Francisco.

Job Description

As Giga’s first dedicated Senior Security Engineer, you will own the security posture of an AI platform processing millions of sensitive enterprise interactions. This is a hands-on role where you will build security tooling, architect robust authorization systems, and tackle emerging AI-specific threats like prompt injection to ensure data integrity.

Location

San Francisco, USA

Why this role is remarkable

• Join as the first dedicated security owner at a fast-growing, Series A company with $61M in fresh funding and a validated product.
• Secure a platform used by industry giants like DoorDash, directly impacting the safety of millions of real-time customer interactions.
• Navigate the frontier of AI security, developing playbooks for unique challenges like prompt injection and multi-modal data leakage.

What you will do

• Design and implement end-to-end application security, focusing on API integrity, role-based access controls, and robust audit logging for enterprise customers.
• Build and maintain automated security infrastructure, including vulnerability scanning, secrets management, and CI/CD security checks using Terraform and Kubernetes.
• Collaborate with backend and infrastructure teams to embed security into the core architecture of Giga's real-time voice and chat agents.

The ideal candidate

• Have 4+ years of professional experience in security engineering with a strong background in software development using Python or TypeScript.
• Proven track record of securing production cloud environments (AWS/Kubernetes) and handling sensitive enterprise data at scale.
• Proactive mindset that views security as an enabler of speed, capable of building tools that help the team ship faster and more securely.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Backend Engineer

Salary

$130k–$180k + Equity

Company Description

Jarmin is a San Francisco-based YC F25 startup building AI employees for human-level roles, founded by an elite engineering team from Meta SuperIntelligence Labs, Apple, and AWS.

Job Description

As our first backend hire, you will architect the distributed systems and orchestration layer powering our AI agents. You'll own critical infrastructure from day one, transforming complex agent workflows into reliable, scalable business outcomes. This high-impact role involves building internal tools, hacking prototypes, and shaping the future of work alongside a world-class founding team.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite founding team from Meta SuperIntelligence Labs, Apple, and AWS at the ground floor of a YC F25 startup.
• Build the core orchestration layer for autonomous AI employees capable of replacing full human roles like ML engineers and paralegals.
• Secure a significant founding equity stake of 0.5–5% while solving some of the most complex distributed systems challenges in AI.

What you will do

• Design and scale the distributed infrastructure that schedules, executes, and monitors complex multi-agent workflows reliably at scale.
• Build the critical orchestration layer that enables AI agents to understand proprietary data and embed into existing business systems.
• Develop internal developer tools and rapid prototypes to accelerate the team's ability to iterate on new AI agent capabilities.

The ideal candidate

• You have deep professional experience building and operating complex backend architectures and distributed systems at scale.
• You are a relentless builder who ships code constantly, thrives in high-ownership environments, and maintains an exceptionally high quality bar.
• You are passionate about the future of AI agents and enjoy solving novel, ambiguous problems in an in-person, San Francisco-based culture.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$140K - $250K + Equity

Company Description

Opal Security is a $59M funded leader in AI-native identity governance, backed by Greylock and Battery, providing intelligent access management for enterprise leaders like Databricks and Figma.

Job Description

Join Opal Security to build AI-native identity governance systems that scale with enterprise chaos. As a full-stack engineer, you will design and ship features from concept to production, solving complex IAM challenges for Fortune 500s. You will work closely with customers to architect secure, real-time control planes that empower rapid innovation without compromising security.

Location

San Francisco, USA

Why this role is remarkable

• Join a hyper-growth team where 60% of the workforce joined since 2026, led by an elite executive team from Meta, Nutanix, and Palo Alto Networks.
• Tackle the burgeoning "identity moment" by building the control plane for human, service, and AI agent identities used by industry leaders like Figma.
• Influence the entire product lifecycle in an environment that prioritizes thoughtful engineering and creative problem-solving over high-velocity ticket completion.

What you will do

• Own critical product areas end-to-end, from initial architectural design to shipping production-ready features across the full application stack.
• Collaborate directly with security teams at high-growth startups and global enterprises to validate solutions and understand real-world infrastructure challenges.
• Establish engineering patterns and write foundational code that multiplies team velocity and shapes how Opal Security scales its technical infrastructure.

The ideal candidate

• Proven experience building and shipping complex, end-to-end products across both frontend and backend in a fast-paced environment.
• Strong architectural thinking skills with the ability to thrive in undefined spaces and challenge requirements to find better technical outcomes.
• A genuine curiosity for IAM, security, or infrastructure, coupled with a desire to engage directly with customers to solve their pain points.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Applied AI Engineer

Salary

$190k-$250k + Equity

Company Description

Well-funded healthtech AI startup

Job Description

Build and deploy production-grade AI systems that automate complex clinical workflows and improve patient care delivery. You will design LLM agents, implement RAG systems, and create robust evaluation frameworks for medical documentation. This role offers the opportunity to own the full AI lifecycle in a mission-driven environment where technology directly impacts healthcare outcomes.

Location

San Francisco, USA

Why this role is remarkable

• Work on high-impact AI systems that solve fundamental scaling challenges in the massive home healthcare market.
• Join a high-velocity Series A startup backed by top-tier venture capital firms with deep domain expertise.
• Influence the technical direction and architecture of a platform transitioning manual healthcare operations into automated, AI-native workflows.

What you will do

• Design and deploy LLM agents and RAG systems capable of reasoning over complex clinical documentation and context.
• Build rigorous evaluation frameworks and safety guardrails to ensure AI reliability within a highly regulated domain.
• Collaborate with engineering and product leaders to integrate automated reasoning into core healthcare delivery pipelines.

The ideal candidate

• Has over 5 years of software engineering experience with a proven track record of shipping production-grade LLM applications.
• Demonstrates strong engineering judgment regarding observability, maintainability, and reliability in AI-driven system design.
• Thrives in fast-paced startup environments and possesses the ability to navigate technical ambiguity while maintaining a focus on pragmatism.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Research Scientist, Molecular Engineering

Salary

Not Disclosed

Company Description

Well-funded biotech platform startup

Job Description

Join an innovative San Francisco team as a Research Scientist, where you will lead the development of sophisticated biochemical assays and laboratory workflows. This role is central to advancing a next-generation biological platform, requiring a blend of precision experimentation and collaborative problem-solving to push the boundaries of molecular engineering and protein characterization.

Location

San Francisco, USA

Why this role is remarkable

• Work at the cutting edge of synthetic biology and molecular engineering in a high-impact, mission-driven environment.
• Backed by top-tier venture capital firms, ensuring the resources and stability needed to execute ambitious scientific goals.
• Opportunity to lead critical wet lab initiatives and directly influence the technological direction of the company's platform.

What you will do

• Develop and optimize high-throughput assays to evaluate and refine biological system performance and molecular function.
• Perform complex molecular biology procedures and manage experimental data pipelines to ensure high-quality scientific output.
• Partner with cross-functional engineering teams to translate computational insights into successful, scalable laboratory experiments.

The ideal candidate

• Extensive experience in a wet lab environment focused on biochemistry, molecular biology, or a related discipline.
• Demonstrated expertise in assay design, systematic troubleshooting, and experimental validation for protein or enzyme characterization.
• Proficiency in managing high-throughput workflows and the ability to analyze and interpret large experimental datasets.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Software Engineer

Salary

Not Disclosed

Company Description

Well-funded AI enterprise platform

Job Description

Join an elite engineering team building a platform that empowers domain experts to generate production-grade enterprise software using natural language. Working with Rust and gRPC, you will build robust backend systems, manage agent infrastructure, and influence the core product. This role offers high agency within a fast-growing startup founded by experienced industry veterans.

Location

London, UK

Why this role is remarkable

• Work directly with a founding team of industry veterans in a high-performance engineering environment.
• The company is backed by top-tier VCs with significant capital to fuel rapid headcount growth.
• You will have complete ownership over core features, shaping both the technical architecture and engineering culture.

What you will do

• Design and implement high-performance backend services using Rust and gRPC to power the core platform.
• Build and manage sophisticated agent infrastructure that translates natural language into enterprise-compliant software systems.
• Collaborate on deployment infrastructure and database design to ensure the platform meets rigorous enterprise security standards.

The ideal candidate

• Proven experience building production-grade backend systems and designing pragmatic, scalable APIs in any modern language.
• A strong desire to learn and master Rust, even if you haven't used it professionally before.
• Thrives in early-stage environments where you can take full ownership of problems and drive them to completion.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Communications Lead

Salary

£80k-£90k + Equity

Company Description

Scarlet is a Creandum-backed London company of ~65 people, serving as Europe's only Notified Body specializing in AI and software medical device certification. They accelerate the path for cutting-edge medical technology to reach patients by removing regulatory delays for the world's most ambitious healthcare innovators.

Job Description

You will build Scarlet’s communications function from the ground up, owning content strategy, social media, and PR. By shaping the narrative around regulated AI medical devices, you’ll define the voice of a critical global industry. This hands-on role involves writing high-impact stories, managing LinkedIn presence, and securing press coverage to drive brand equity.

Location

London, UK

Why this role is remarkable

• Join Europe's only specialized Notified Body for medical AI, sitting at the unique intersection of cutting-edge technology and global healthcare regulation.
• Backed by Creandum with proven product-market fit and exponentially growing revenue, offering the stability of a successful firm with the autonomy of a startup.
• Work directly with founders and world-leading experts, gaining unprecedented access to the most innovative companies in the medical technology sector.

What you will do

• Create and edit world-class content, including customer success stories and technical blogs, to establish Scarlet as the definitive media voice in healthcare.
• Lead Scarlet’s social media strategy, maintaining a high-quality daily cadence on LinkedIn to engage the industry and build brand authority.
• Secure strategic press coverage and organize speaking opportunities at global conferences, elevating the profiles of Scarlet’s leadership team and technical experts.

The ideal candidate

• Brings 5+ years of experience in communications, journalism, or content creation with a portfolio demonstrating extraordinary writing and editorial judgment.
• Possesses a high EQ and an insatiable curiosity for complex technical topics, with the ability to make them feel human, urgent, and accessible.
• Thrives in a hands-on environment, prioritizing the creation and execution of original PR initiatives over managing large teams or external agencies.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI/ML Engineer

Salary

$250k-$400k + Equity

Company Description

Known is a voice-first AI matchmaking platform that recently raised a $10M seed round led by Forerunner Ventures, NFX, and Pear VC. Based in San Francisco, Known replaces swiping with intimate, AI-driven single introductions, leveraging deep signals and personalization to facilitate real-world dates for a growing community of users.

Job Description

You will own the core matching and recommendation engines from zero to production scale. Working alongside founders from Uber and Cash App, you’ll build the systems that define the user experience for this voice-first dating app. This is a high-impact role requiring expertise in scaling user-facing algorithms for consumer personalization.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite founding team from Cosmos, Uber, and Cash App who have a proven track record of building high-growth AI-driven consumer products.
• Work at the forefront of consumer AI with $10M in seed backing from top-tier investors including Forerunner Ventures, NFX, and Pear VC.
• The recommendation engine isn't just a feature; it is the entire product, offering you total ownership over the company's core value proposition.

What you will do

• Design and implement the production-scale recommendation and ranking algorithms that power the core single-match experience for every Known user.
• Lead the transition of matchmaking systems from experimental prototypes to robust, scalable production environments capable of handling high-growth consumer traffic.
• Grow and mentor a small, high-performing technical team while maintaining a hands-on approach to shipping high-quality, user-facing personalization features.

The ideal candidate

• Proven experience building and scaling user-facing recommendation, matching, or ranking algorithms at an early-stage consumer company like Tinder, Instagram, or Spotify.
• Significant tenure as an early engineer during a 0→1 or rapid scaling phase, having stayed to see systems reach production maturity and scale.
• Strong leadership background with experience growing small technical teams and a passion for building intimate, high-signal personalization experiences for end users.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

£70k–£80k + Equity

Company Description

Vitruehealth.com is a high-growth London health-tech startup that has reached £1m ARR building VIDA, an AI-powered platform reducing musculoskeletal pain by 34%. Backed by leading UK investors, they serve global enterprise clients like Bupa and the NHS to eliminate chronic pain for millions through computer vision and clinical diagnostics.

Job Description

As a Full Stack Engineer at Vitruehealth.com, you will own the development of features that directly improve health outcomes. Working across Vue.js, .NET, and AWS, you'll collaborate with clinical experts to ship AI-driven tools. This role is perfect for a mission-driven builder who thrives with autonomy in a fast-paced environment.

Location

London, UK

Why this role is remarkable

• Work on high-impact technology like webcam-based pose estimation and AI data analysis tools that have a proven 34% success rate in reducing chronic MSK pain.
• Join a fast-growing team that has already hit £1m ARR and secured major enterprise partnerships with the NHS, AXA, and Gymshark across 32 countries.
• High-autonomy culture where you'll own features end-to-end and work alongside a clinical lead (GP) and senior designers to solve complex medical challenges.

What you will do

• Ship end-to-end features using Vue.js and .NET Core, from natural language AI analysis tools to event-driven notification systems.
• Collaborate directly with UX designers and clinical experts to translate complex medical logic into intuitive, scalable software solutions.
• Make key architectural and tooling decisions to keep systems reliable, scalable, and efficient across the VIDA platform and AWS infrastructure.

The ideal candidate

• 3+ years of full-stack engineering experience with a strong grasp of modern frontend frameworks like Vue and strongly typed backend systems like C#/.NET.
• Proven track record of building complex applications and taking initiative in high-velocity startup environments where shipping value is prioritized over waiting for tickets.
• Product-minded engineer who values mission-driven work and is comfortable taking ownership of features from architectural design to deployment on AWS.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer, Full Stack

Salary

Not Disclosed

Company Description

Formulary Financial, Inc. is an AI-native fund administration services firm backed by Khosla Ventures and Serena Ventures, managing billions in assets for leading managers. The company is transforming private market operations by replacing error-prone manual processes with a data-driven intelligence platform built by veterans in fintech and artificial intelligence.

Job Description

As a Senior Software Engineer at Formulary Financial, Inc., you will build the world's first AI-native platform for comprehensive fund administration. You'll drive the development of agentic AI capabilities and scalable cloud infrastructure to transform private market operations. Joining this early-stage team, you'll bridge the gap between complex financial services and cutting-edge data intelligence.

Location

New York, USA

Why this role is remarkable

• Join a high-growth fintech backed by tier-one investors like Khosla Ventures and Acrew Capital that already manages billions in assets within its first year.
• Build groundbreaking agentic AI capabilities from scratch to automate the lifecycle of private market investments and fund operations for the world's largest asset managers.
• Work alongside repeat founders and industry veterans in an environment that values intellectual debate, ownership mindset, and rapid, high-quality product shipping.

What you will do

• Design and implement scalable full-stack architectures and agentic AI tools to streamline fund administration, GP, and LP workflows for high-touch service delivery.
• Develop robust data management systems and back-end frameworks to ensure accurate, real-time access to complex financial data across the investment lifecycle.
• Collaborate on the technical roadmap, optimizing cloud solutions using AWS/Azure and containerization while maintaining high security, defensive programming, and reliability standards.

The ideal candidate

• Possesses 4+ years of hands-on full-stack engineering experience with a strong background in distributed SaaS architectures, data pipelines, and public cloud infrastructure.
• Demonstrates expertise in modern frontend development, API integration, and backend services with a proven track record of shipping quality products in fast-paced environments.
• Exhibits a mission-driven mindset with a keen interest in AI/ML, capable of navigating ambiguity to solve complex problems with minimal guidance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Engineer

Salary

$120k–$140k + Equity

Company Description

Emporium AI is an early-stage AI startup in New York City building at the intersection of commerce and artificial intelligence. Backed by experienced builders, the company empowers a small, fast-moving team to ship high-impact features end-to-end, leveraging AI to redefine how users interact with modern commerce platforms.

Job Description

Join Emporium AI as a Full-Stack Engineer to build products from spec to deployment using TypeScript, React, Node.js, and PostgreSQL. You will own features across the entire stack, touching the frontend, API layer, and database. This high-autonomy role is designed for a builder who wants to ship code weekly in a fast-paced environment.

Location

New York, USA

Why this role is remarkable

• True ownership of features from technical specification through to production deployment in a high-autonomy, early-stage environment.
• Direct impact on the product direction at the cutting-edge intersection of commerce and artificial intelligence within a small, elite engineering team.
• Opportunity to work alongside experienced builders in a hybrid NYC setting where weekly shipping cycles and minimal process are the norm.

What you will do

• Develop and maintain end-to-end features using a modern stack including TypeScript, React, Node.js, and PostgreSQL.
• Collaborate with the team to define product specs and translate them into scalable technical implementations across the frontend and backend.
• Iterate rapidly on consumer or B2B products, ensuring high performance and reliability while shipping code to production on a weekly basis.

The ideal candidate

• 1–3 years of production experience building and shipping web applications with modern full-stack JavaScript/TypeScript and PostgreSQL.
• Proven track record of taking features from concept to launch in a startup or high-growth environment, showing strong ownership.
• Strong proficiency in React and Node.js, with additional experience in Next.js and GraphQL considered a significant advantage.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Engineer

Salary

£70k-£100k + Equity

Company Description

VC-backed industrial technology startup

Job Description

Join a high-growth startup transforming critical resource extraction through advanced AI and geospatial modeling. You will own the data pipelines, cloud infrastructure, and APIs that power a platform used by global mining leaders. This role is pivotal in scaling a breakthrough technology that addresses the global supply chain challenges of the energy transition.

Location

London, UK

Why this role is remarkable

• Work on mission-critical technology addressing the global shortage of minerals essential for the energy transition and data centers.
• Join a technical founding team during a high-growth phase following an oversubscribed funding round backed by top-tier venture capital.
• Enjoy high levels of autonomy and ownership over the technical architecture, moving beyond simple ticket-closing to shape a global platform.

What you will do

• Architect and maintain robust data pipelines to process complex subsurface and multimodal data within an Azure environment.
• Design and implement clean, high-performance APIs that facilitate seamless integration with the front-end SaaS platform.
• Collaborate directly with the founders and clients to translate breakthrough AI research into scalable, production-ready software features.

The ideal candidate

• Over 5 years of experience building production-grade systems with a heavy emphasis on back-end Python and cloud infrastructure.
• Proven ability to deliver end-to-end features using TypeScript and React, despite a primary focus on server-side engineering.
• A resilient, proactive problem-solver with a strong desire to learn new technologies and improve organizational development processes.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Backend Engineer

Salary

Not Disclosed + Equity

Company Description

VC-backed AI retention platform

Job Description

As a Backend Engineer at this VC-backed AI startup, you will build the core infrastructure powering intelligent agents that solve subscriber churn for consumer brands. You will design robust APIs, architect databases, and integrate third-party platforms. Working alongside experienced founders, you’ll own significant surface area and help shape a high-performance engineering culture.

Location

San Francisco, USA

Why this role is remarkable

• High-impact ownership within a lean, 15-person team where every engineer shapes the core product and architecture.
• Strong traction and financial stability, backed by top-tier VCs with a clear mission to solve churn for global brands.
• An in-person, high-trust environment in San Francisco that fosters rapid iteration and direct collaboration with world-class founders.

What you will do

• Design and maintain the core infrastructure, including APIs and database schemas, that powers production-ready AI agents.
• Build and manage complex integrations with third-party platforms to enable seamless data flow for consumer brand clients.
• Collaborate directly with the founding team to architect scalable systems and define the long-term technical roadmap.

The ideal candidate

• At least 1 year of professional experience in backend development with a focus on server-side logic and performance.
• Strong fundamentals in database management and API design, with an ability to ship reliable, high-quality code quickly.
• A proactive, owner-mindset with a drive to solve complex problems and thrive in a fast-paced, in-person startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Forward Deployed Engineer

Salary

Not Disclosed

Company Description

Well-funded enterprise AI software platform

Job Description

You will embed with enterprise customers to bridge the gap between complex business challenges and software solutions. Using a platform that enables natural language software creation, you will prototype and ship production-grade tools. This high-impact role requires building across diverse tech stacks and translating front-line customer needs into core product features.

Location

London, UK

Why this role is remarkable

• Join an elite team founded by industry veterans with deep expertise in solving the most complex enterprise data and software problems.
• Backed by top-tier global venture capital firms with significant funding to redefine how enterprise-grade software is built and deployed.
• High-impact position in a small, high-performing team where your work directly shapes the company's direction and core product roadmap.

What you will do

• Embed directly with enterprise customers to understand challenges and rapidly prototype custom solutions across various diverse technology stacks.
• Translate front-line customer patterns and requirements back into the core platform to drive product development and large-scale scalability.
• Deploy production-ready, secure, and compliant software that integrates seamlessly with existing enterprise infrastructure and complex data environments.

The ideal candidate

• Strong software engineering background with the ability to write high-quality code and adapt quickly to unfamiliar or legacy technologies.
• Comfortable with 50-75% travel to customer sites, demonstrating extreme resourcefulness and the ability to thrive in ambiguous environments.
• Proven ability to communicate effectively with both technical and non-technical stakeholders to solve complex, real-world enterprise software problems.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer - AI

Salary

$200k+ + Equity

Company Description

Muro AI is a San Francisco-based startup backed by top-tier VCs who funded construction tech giants like PlanGrid and BuildingConnected. Founded by Cornell alumni and ex-McKinsey veterans, Muro AI is building the first AI-agent platform for the $13 trillion pre-construction industry, automating massive document reviews and bidding workflows for general contractors.

Job Description

Join Muro AI as a founding engineer to revolutionize the $13T pre-construction market. You’ll build production-grade AI agents and RAG pipelines that process massive, messy construction documents and automate complex workflows. From owning the AI stack to sitting with customers, you will ship code that turns weeks of manual bidding into hours of intelligent automation.

Location

San Francisco, USA

Why this role is remarkable

• Lead the creation of a new category in a $13 trillion industry where manual spreadsheets and 2D plans still dominate the workflow.
• Work directly with a founding team of Cornell alumni and construction experts, backed by the elite investors behind PlanGrid and BuildingConnected.
• High-impact founding position offering $200k+ compensation, significant equity, and the opportunity to ship production AI to live customers within days.

What you will do

• Architect and deploy multi-agent workflows using Python and FastAPI to automate multi-step construction tasks such as bid leveling and RFI generation.
• Develop production RAG systems and computer vision models to interpret 1,500-page document sets, including hand-marked floor plans and structural drawings.
• Embed with customers during bid weeks to translate real-world pain points into intelligent agents that integrate with Procore APIs and Excel.

The ideal candidate

• Has 4+ years of experience shipping production-grade AI features, with deep technical expertise in NLP, computer vision, or agentic frameworks.
• Demonstrates mastery of the modern AI stack, including Python, FastAPI, Celery, and cloud infrastructure, while comfortable handling messy, unstructured data.
• Possesses a strong startup DNA, having likely been a founder or early hire who thrives on owning projects from 0→1 with half-baked specifications.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lead Backend Engineer - Nucleus (AI & Back Office)

Salary

£110,000 - £130,000

Company Description

$75M Series C betting platform backed by The Raine Group

Job Description

Join a high-growth entertainment leader as the first technical lead for a greenfield AI & Back Office team. You will drive the development of internal platforms and pioneer practical AI integrations to transform engineering workflows. This player-manager role offers immense autonomy to ship production-grade Python systems that power a modern sports betting experience.

Location

Remote, UK

Why this role is remarkable

• Lead a brand-new, greenfield function with the autonomy to shape the technical direction and architectural standards for both internal platforms and AI strategy.
• Work within a well-funded Series C environment that has raised over $75M in equity, enjoying the stability of a 150-person company with a fast-moving startup culture.
• Direct impact on organizational velocity by building AI-powered tools that improve the daily lives of both engineers and non-technical staff across the entire business.

What you will do

• Lead and mentor a focused team of three engineers while remaining hands-on as a primary individual contributor to the core backend codebase.
• Architect and maintain the mission-critical internal back-office platform, including configuration management, operational dashboards, and internal APIs.
• Identify and productionize AI opportunities using LLM APIs and RAG pipelines to automate repetitive tasks and optimize developer experience.

The ideal candidate

• 7+ years of professional backend engineering experience with a strong proficiency in Python and modern cloud infrastructure like AWS, PostgreSQL, and Terraform.
• Practical experience integrating LLMs or AI orchestration frameworks into production-quality products, moving beyond simple prototypes to scalable business solutions.
• Proven ability to lead or mentor engineers in a hands-on capacity, managing sprint planning and delivery while maintaining a high quality bar through code reviews.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer Intern

Salary

Not Disclosed

Company Description

Frances is a San Francisco-based startup building AI agents that interface with real-world kitchens and customers to automate food preparation and service.

Job Description

Join Frances as a Founding AI Engineer Intern to bridge the gap between bleeding-edge AI agents and physical kitchen operations. You will own core features, shipping scrappy 0→1 products that connect computer-use tooling to real-world environments. This role is for obsessive builders who care about polish, UX, and the tangible impact of their code.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with the founders in San Francisco to define the core product architecture and user experience from the ground up.
• Operate at the bleeding edge of AI agent technology and computer-use tooling, applying these models to complex physical-world environments.
• Experience the full lifecycle of a startup, from deep technical design to visiting customers' homes and cooking to understand product-market fit.

What you will do

• Design and implement end-to-end features that integrate sophisticated AI agents with real-world kitchen hardware and customer interfaces.
• Ship high-quality, polished code rapidly to move from initial prototypes to functional 0→1 products in a fast-paced environment.
• Engage directly with users by testing the product in real-world settings to gain insights that drive technical and product decisions.

The ideal candidate

• Demonstrates an "obsessive builder" mindset with a track record of shipping scrappy, functional 0→1 products in record time.
• Possesses deep technical curiosity and hands-on experience with AI agents, LLMs, and computer-use tooling or robotic automation.
• Combines strong engineering skills with a passion for UX, polish, and a willingness to step outside the codebase to meet users.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Platform Engineer

Salary

Not Disclosed

Company Description

StackOne is a $24M Series B London-based startup backed by GV and Workday Ventures, building the leading AI Integration Gateway. They provide a unified API layer for HR, CRM, and ATS platforms, enabling SaaS providers to orchestrate scalable, enterprise-grade integrations for AI agents and business systems.

Job Description

As the first dedicated Senior Platform Engineer, you will own the infrastructure behind StackOne’s AI Integration Gateway. Reporting to the CTO, you'll lead the migration from AWS CDK to Terraform, optimize CI/CD pipelines for a growing monorepo, and architect the delivery of the platform into customers' own cloud environments via BYOC models.

Location

London, UK

Why this role is remarkable

• Foundational Impact: Join as the first dedicated platform engineer, defining the infrastructure strategy and DevOps culture from the ground up for a high-growth startup.
• Blue-Chip Backing: Backed by top-tier investors GV (Google Ventures) and Workday Ventures with $24M raised to solve complex enterprise integration challenges.
• Complex Engineering: Work on cutting-edge "Bring Your Own Cloud" (BYOC) architecture, delivering SaaS infrastructure directly into major enterprise cloud accounts like AWS, GCP, and Azure.

What you will do

• Lead the transition of the entire AWS estate from AWS CDK to Terraform while maintaining high reliability for production workloads like ECS Fargate and Aurora.
• Architect and automate the deployment pipeline, consolidating toward a monorepo with incremental, affected-only testing to ensure rapid developer feedback loops.
• Build the versioning, packaging, and delivery systems required to ship StackOne’s platform into customer-managed cloud environments with full observability and security.

The ideal candidate

• Has 4+ years of experience in platform engineering or SRE, with deep expertise in AWS services including ECS/Fargate, RDS/Aurora, and Lambda.
• Demonstrates high proficiency in Infrastructure as Code (Terraform/CDK) and programming in TypeScript or Python to build developer tools rather than just configuration.
• Possesses a security-first mindset with experience securing CI/CD pipelines and ideally shipping software into customer-managed cloud or on-prem environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lead AI and Process Modelling Engineer

Salary

Not Disclosed + Equity

Company Description

Alpha Machines is a London-based industrial AI company founded by repeat unicorn builders to re-industrialise Europe through advanced power electronics. They are building AlphaOS, a platform that combines physics-informed modelling with modern ML to design and manufacture critical propulsion systems for aerospace, defence, and robotics applications.

Job Description

As a founding team member, you will own the AI and physics modelling layer of AlphaOS, bridging the gap between thermodynamics and machine learning. You will design prediction, anomaly-detection, and planning surfaces for digital twins, ensuring factory reasoning is grounded in physical truth to optimize yield and throughput for global customers.

Location

London, UK

Why this role is remarkable

• Join a high-caliber founding team led by repeat unicorn founders with a proven track record of scaling massive technology companies.
• Work at the cutting edge of the "physical AI" revolution, building the software intelligence layer for vertically integrated European manufacturing facilities.
• Enjoy significant impact and ownership as a founding-team member with equity, defining the technical bar for how LLMs reason about physical systems.

What you will do

• Architect the AI and physics modelling layer of AlphaOS, encompassing process-level prediction, anomaly detection, and root-cause analysis.
• Encode complex domain physics—including kinetics, thermodynamics, and chemistry—into the digital twin to drive production yield and quality.
• Design and ship LLM-driven reasoning surfaces, such as agents and retrieval systems, that produce actionable outputs for factory operators.

The ideal candidate

• Has 4+ years of experience in applied ML or computational physics, with a background at places like DeepMind, Palantir, or top research groups.
• Possesses expert-level Python skills and fluency in PyTorch or JAX, with a track record of shipping production-grade ML systems.
• Demonstrates deep expertise in physics-informed neural networks, industrial time-series forecasting, or grounding LLM reasoning in structured operational data.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Enterprise Account Executive

Salary

Not Disclosed

Company Description

Series B AI infrastructure startup

Job Description

You will drive the adoption of a category-defining AI video platform, managing the full sales cycle from prospecting to closing complex enterprise deals. Working directly with leadership, you'll shape the go-to-market strategy for a revolutionary interface, helping sophisticated buyers integrate lifelike conversational AI agents into their core business workflows.

Location

San Francisco, USA

Why this role is remarkable

• Join a category-defining venture at the forefront of human-computer interaction and conversational video research.
• Well-funded Series B startup backed by top-tier global venture capital firms with significant market traction.
• High-impact role offering meaningful equity and the chance to build a sales organization from the ground up.

What you will do

• Manage the entire sales lifecycle, including self-sourced pipeline generation, closing net-new enterprise accounts, and renewals.
• Partner with product and engineering teams to translate enterprise customer feedback into the core product roadmap.
• Architect the foundational go-to-market motion and sales playbooks for a completely new product category.

The ideal candidate

• 4+ years of experience in enterprise sales with a proven history of exceeding $1M+ annual quotas.
• Demonstrated success closing complex, six- and seven-figure deals within fast-growing startup environments.
• Exceptional prospecting skills and the ability to navigate sophisticated enterprise buyer personas and technical stakeholders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

£80k-£100k + Equity

Company Description

Parsewise is a YC-backed startup building agentic infrastructure for high-consequence risk decisions in insurance. Founded by an ex-Palantir and ex-Bain team, Parsewise is backed by General Advance, Network VC, and prominent angels from OpenAI and Palantir to automate complex document ingestion and risk signaling for global underwriters.

Job Description

As the first Forward Deployed Engineer at Parsewise, you will bridge the gap between complex customer workflows and core platform engineering. You’ll sit with underwriters in the morning to understand their requirements and build production-grade deployments in the afternoon. This high-impact role directly shapes the product and drives value for leading enterprise insurance partners.

Location

London, UK

Why this role is remarkable

• Join as the first Forward Deployed Engineer, working directly with founders from Palantir and Bain to shape the company's deployment strategy and product roadmap.
• Backed by elite investors including Y Combinator, General Advance, and angels from OpenAI and McKinsey, operating at the cutting edge of AI for regulated industries.
• Directly impact revenue and product market fit by solving the hardest problems in unstructured data—hallucinations, explainability, and scalability—for leading global insurers.

What you will do

• Onboard insurance and reinsurance customers by deploying and configuring the Parsewise platform within their specific tech stacks and workflows.
• Translate complex, real-world underwriting and claims documents into structured, decision-ready data configurations, often working side-by-side with customer SMEs.
• Cycle between commercial activities and core engineering: scope use cases, run pilots, and build new features based on direct feedback from the field.

The ideal candidate

• Strong engineering foundation with the ability to write production-quality Python or TypeScript and integrate software directly into enterprise customer environments.
• Proven ability to navigate commercial conversations and scope technical use cases; experience in insurance or reinsurance is highly valued but secondary to quick learning.
• High-ownership mindset capable of shipping high-quality work in a fast-paced environment and earning trust with sophisticated, regulated buyers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Enterprise Account Manager

Salary

£90k + £90k OTE + Equity

Company Description

Fast-scaling AI risk prediction startup transforming the $2T construction industry

Job Description

You will lead the commercial expansion of a breakthrough AI platform that predicts construction project delays before they happen. Reporting to the VP Commercial, you’ll drive revenue across EMEA and APAC by challenging the status quo, navigating complex sales cycles with global infrastructure owners, and transforming how the world builds mega-projects.

Location

Remote, UK

Why this role is remarkable

• Sell a category-defining AI product that has analyzed over $2 trillion in construction spend to provide unprecedented project foresight.
• Work with a high-caliber team of AI researchers and construction experts already trusted by giants like Chevron, HS2, and Network Rail.
• Enjoy significant financial upside with a six-figure OTE, meaningful equity, and a remote-first culture that prioritizes radical truth and high autonomy.

What you will do

• Hunt and close new logos with major infrastructure owners, contractors, and engineering consultancies across EMEA and APAC.
• Execute complex, 6+ month Challenger Sale cycles involving C-suite stakeholders and multi-billion pound project directors.
• Partner with the VP Commercial to shape the go-to-market strategy for evolving pilot deals into multi-million pound enterprise contracts.

The ideal candidate

• Brings 4+ years of success in enterprise SaaS sales with a proven track record of managing complex stakeholder environments.
• Possesses deep credibility within the construction or civil engineering sector, comfortably speaking the language of project planners and directors.
• Demonstrates a 'Challenger' mindset with the grit to educate a traditional market on the value of predictive machine learning.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$130K - $170K + Equity

Company Description

Arzana is a YC P26 startup building the autonomous operating system for US manufacturers, integrating AI agents into an ERP back-office to automate quoting, ordering, and logistics.

Job Description

As a Founding Engineer at Arzana, you will build agentic pipelines that automate critical manufacturing workflows. You’ll develop multi-step VLM and RAG systems to process terabytes of customer data, working directly with the founders to transform legacy industrial processes into high-efficiency software systems in an intense, high-growth, 75% MoM growth environment.

Location

San Francisco, USA

Why this role is remarkable

• Join a YC P26 company growing 75% month-over-month, tackling the massive technical challenge of automating US manufacturing at scale.
• Work on a cutting-edge stack involving VLM extraction from CAD files, gradient-walk prompt optimization, and complex multi-agent reasoning systems.
• Experience true founding-level ownership with the ability to influence product direction, architecture, and team culture from day one alongside the CEO.

What you will do

• Architect and deploy multi-step agentic pipelines using Python, Supabase, and GCP to automate complex back-office manufacturing tasks and external integrations.
• Develop RAG systems and VLM extraction tools to process TB-scale data, including CAD files, PDFs, and ERP exports for autonomous onboarding.
• Collaborate directly with the CEO to define the product roadmap and translate human business workflows into reliable chains of extraction and action.

The ideal candidate

• Strong engineering fundamentals with experience (or strong interest) in taking agent-based products or LLM workflows from prototype to production.
• Resilient, high-ownership mindset comfortable with a 70-80 hour work week and an intense 6-day in-person schedule in San Francisco.
• US Citizenship is strictly required due to ITAR compliance, ideally with a background in manufacturing environments or complex system integrations.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Voice AI ML Engineer

Salary

£80k-£100k + Equity

Company Description

AethexAI Inc is a London-based pre-seed startup that has raised ~$3M to build proprietary voice AI infrastructure for underserved global markets and languages that big tech overlooks.

Job Description

Join AethexAI Inc to build foundational speech technology for billions of users in emerging markets. You will own the entire ML lifecycle, from researching novel architectures to deploying low-latency models on AWS. This is a hands-on, founding-level role for a scrappy builder ready to define the future of global voice communication.

Location

London, UK

Why this role is remarkable

• Build foundational speech models from scratch for languages and accents that big tech overlooks, impacting billions of users in Africa, the Middle East, and beyond.
• Join a high-growth, ~$3M pre-seed team in London already processing 17,000+ daily calls with sub-500ms latency on proprietary, non-fine-tuned infrastructure.
• Secure meaningful founding-team equity and take complete ownership of the full ML stack, mirroring the trajectory of early engineers at companies like ElevenLabs.

What you will do

• Research and develop novel speech model architectures, moving beyond simple fine-tuning to build proprietary ASR and TTS solutions for underserved markets.
• Design and manage high-scale inference pipelines on Kubernetes and AWS, ensuring mission-critical reliability and sub-500ms latency for global voice applications.
• Work directly with the founding team to ship new features into production weekly, impacting real-world users immediately after model training.

The ideal candidate

• Has 4+ years of experience shipping production-grade ML models, with specific depth in speech, audio, or low-latency inference systems.
• Possesses strong MLOps skills, including hands-on experience deploying to Kubernetes on AWS and maintaining high-availability production environments.
• Holds an advanced degree from a top CS/ML program and thrives in a scrappy, in-person London environment where they own technical outcomes end-to-end.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer

Salary

£100k–£150k + Equity

Company Description

Pharosyn is a pre-seed AI startup backed by Entrepreneurs First in London, building automated competitive intelligence for the pharmaceutical and biotech industries.

Job Description

As a Founding AI Engineer at Pharosyn, you will build AI systems that automate complex analyst workflows for monitoring clinical trials and regulatory filings. Working directly with the CTO, you will own LLM orchestration, data pipelines, and full-stack development, shipping production-ready code to enterprise pharma clients while shaping the technical architecture of the platform.

Location

London, UK

Why this role is remarkable

• Join a pre-seed startup backed by Entrepreneurs First as a founding team member, gaining significant equity and influencing company culture from day one.
• Solve a massive, high-value problem in the regulated pharma industry by replacing slow manual reporting with real-time, traceable AI-powered competitive intelligence.
• Experience rapid growth in a high-intensity environment where you ship code to production and interact with enterprise clients on a weekly basis.

What you will do

• Build and manage core LLM orchestration layers and data pipelines to monitor clinical trials and regulatory filings continuously.
• Develop and maintain the full-stack platform using Python, TypeScript, and React to deliver actionable insights to pharma strategic teams.
• Make high-level architectural decisions alongside the CTO, ensuring the product remains privacy-first, traceable, and SOC 2 compliant.

The ideal candidate

• Has 0-4 years of professional software engineering experience with a proven track record of shipping production-ready AI or LLM-powered systems.
• Holds a computer science or technical degree from a top UK Russell-group university, showing strong fundamentals and a builder's mindset.
• Demonstrates full-stack proficiency in Python and TypeScript/React, with the ability to thrive in the ambiguity of an early-stage startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Machine Learning Engineer

Salary

Not Disclosed

Company Description

Terranox AI is a venture-backed startup supported by General Catalyst, 776 Ventures, and Y Combinator, applying machine learning to modernize the uranium discovery process to secure the future of clean, scalable nuclear energy.

Job Description

As the first dedicated ML hire at Terranox AI, you will build core machine learning systems from scratch. You'll develop computer vision models using sparse, messy data to drive real-world discovery decisions. This hands-on role involves taking models from research to production in a field critical to global energy security.

Location

San Francisco, USA

Why this role is remarkable

• Join as the first ML hire, giving you complete ownership over the technical architecture and strategy for the world's first AI-powered uranium discovery company.
• Work on a mission-critical problem: solving the structural shortage of uranium to enable clean, scalable, baseload nuclear energy globally.
• Benefit from high-tier backing by investors like General Catalyst, 776 Ventures, and Y Combinator while working in an early-stage, build-from-zero environment.

What you will do

• Design and train custom computer vision models from scratch, specifically handling messy and sparsely-labeled datasets unique to geological discovery.
• Architect and deploy end-to-end ML production pipelines that integrate directly into real-world decision-making and exploration workflows.
• Translate the latest machine learning research into practical, shipped systems that disrupt a discovery process that hasn't changed in decades.

The ideal candidate

• Has at least 5 years of professional ML experience with a proven track record of building complex systems from the ground up.
• Possesses a strong background in computer vision and experience taking machine learning models all the way through to production environments.
• Demonstrates fluency with recent ML research and the ability to frame and solve highly ambiguous problems in an early-stage startup setting.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Graduate Software Engineer

Salary

Not Disclosed + Equity

Company Description

Letty is a $5.5M seed-funded AI startup backed by Entrepreneurs First and the founders of incident.io, building autonomous digital workers for the real estate industry. We are creating the AI operations layer that handles property management, sales, and tenant communications 24/7 across every channel.

Job Description

You will join Letty as one of the first ten engineers, building agentic AI systems that automate complex property operations. Working directly with a world-class team from Cambridge and Entrepreneur First, you'll ship production-ready code across the full stack using Python and TypeScript to transform how the real estate industry functions.

Location

London, UK

Why this role is remarkable

• Join a high-growth rocketship as engineer #5-10, offering a massive launchpad for future founders and immediate ownership of core architecture decisions.
• Work alongside an elite technical team, including a Cambridge ML CTO and engineers from Quant backgrounds, in a high-intensity, 5-day-a-week in-office environment.
• Backed by $5.5M in seed funding from Entrepreneurs First and high-profile angels, you will tackle one of the world's most meaningful and universal industries: real estate.

What you will do

• Develop and deploy multi-agent AI systems using Python (FastAPI) and LLMs to automate property viewings, sales, and contractor management.
• Build seamless full-stack user experiences with TypeScript, React, and Next.js that integrate deeply with CRMs, WhatsApp, and email platforms.
• Take end-to-end responsibility for shipping features, from initial architecture to production, seeing your work impact real property agencies within days.

The ideal candidate

• A top-tier graduate from Oxford, Cambridge, or Imperial, either graduating in 2026 or possessing 1-2 years of professional software engineering experience.
• Strong proficiency in Python and a desire to work across the full stack, including modern frontend frameworks and cloud infrastructure on AWS/GCP.
• A fast-moving, founder-mode mindset eager to thrive in a high-intensity startup culture that prioritizes rapid shipping and collaborative in-person work.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Tech Lead - Data Engineering

Salary

Not Disclosed

Company Description

Well-funded property technology SaaS platform

Job Description

As the primary architect and senior individual contributor, you will own the end-to-end technical direction of our data ecosystem. You'll design durable, distributed systems that handle high-scale transactional data to power ML and AI-driven solutions. This role is pivotal in defining data contracts and ingestion strategies that enable real-time operational optimization across the platform.

Location

London, UK

Why this role is remarkable

• Significant technical ownership as the lead architect for a modern data platform powering real-time global operations.
• Join a well-funded scale-up backed by top-tier global venture capital firms during a period of high-growth product evolution.
• Direct impact on AI and ML strategy by building the foundational data infrastructure for advanced automated features.

What you will do

• Design and build fault-tolerant, high-scale data pipelines and distributed architectures for ingestion, storage, and exposure layers.
• Lead the definition of data models, schemas, and governance frameworks to ensure high data quality and reliability at scale.
• Collaborate with product teams to architect and deploy production-grade data foundations for machine learning and inference pipelines.

The ideal candidate

• Senior engineering professional with a software-first mindset and deep production experience in Python and complex distributed systems.
• Proven track record with modern cloud data warehouses like Snowflake and orchestration tools such as dbt or Airflow.
• Practical experience building and maintaining ML systems, including feature stores, model inference, and handling multimodal data types.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Machine Learning Engineer (MLIPs)

Salary

Not Disclosed

Company Description

Well-funded AI physical sciences startup

Job Description

You will lead the development of machine learning interatomic potentials (MLIPs) to accelerate the discovery of advanced functional materials. By integrating ML models with first-principles physics and automated experimental data, you’ll build high-fidelity simulations that translate complex molecular dynamics into actionable insights for a physical laboratory, bridging the gap between theoretical research and industrial production.

Location

London, UK

Why this role is remarkable

• Opportunity to work at the intersection of frontier machine learning and physical sciences with a world-class team from top research institutions and industry leaders.
• Backed by elite global venture capital firms, the company is tackling high-impact climate and industrial challenges by modernizing the discovery process for critical materials.
• Unique hybrid environment where your research directly influences physical experiments in a high-throughput laboratory, ensuring your models solve real-world engineering problems.

What you will do

• Design and implement scalable pipelines for training and fine-tuning machine learning interatomic potentials (MLIPs) using PyTorch or JAX.
• Collaborate with physics and simulation teams to build high-quality datasets using Density Functional Theory (DFT) and optimize equivariant message-passing architectures.
• Integrate MLIP workflows into larger simulation and discovery platforms to enable rapid, large-scale screening of candidate materials for structural and functional applications.

The ideal candidate

• A PhD in Physics, Materials Science, or a related field with deep expertise in solid-state physics and computational materials modeling.
• Proven experience training MLIPs and a strong understanding of training dynamics, loss landscapes, and generalization in chemical/physical systems.
• Advanced proficiency in Python and modern ML frameworks, combined with hands-on experience using DFT packages like VASP or Quantum Espresso.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Mid-Level Full Stack Ruby on Rails Software Engineer

Salary

£55K–£65K

Company Description

Create Academy Ltd. is a London-based creative learning platform on a mission to help people live more fulfilled lives through beautifully produced video courses. They provide access to world-class instruction from renowned designers, gardeners, and makers, building a digital home for high-quality instruction and a growing community of lifelong learners.

Job Description

As the primary developer at Create Academy Ltd., you will own the entire codebase and drive technical excellence alongside the CTO. You will build engaging learning experiences using a modern Rails 8.1 stack, implementing features from concept to completion. This role offers high autonomy, direct product impact, and the opportunity to shape the future of creative education.

Location

London, UK

Why this role is remarkable

• Full technical ownership as the primary developer, working directly with the CTO to shape architecture and ship critical features that define the user experience.
• Direct impact on a growing platform with over 50 live courses and a passionate community that values high-quality craftsmanship and beautiful digital products.
• Modern tech stack environment featuring Rails 8.1, Hotwire, and Stimulus, prioritizing clean code and thoughtful technical decisions over simply clearing a ticket queue.

What you will do

• Lead the technical direction and architectural decisions for the primary web application and upcoming, soon-to-be-announced product projects.
• Implement end-to-end features using Ruby on Rails, Hotwire, and PostgreSQL while maintaining high standards for code quality, performance, and reliability.
• Collaborate closely with the UX, design, and growth teams to create seamless learning experiences and evolve the product roadmap based on customer insights.

The ideal candidate

• At least 4 years of production experience with Ruby on Rails, demonstrating deep expertise across the entire full-stack development lifecycle and architectural decision-making.
• Strong background in PostgreSQL, RESTful APIs, and payment systems like Stripe, with a preference for those who favor modern Hotwire and Stimulus patterns.
• Proactive, self-motivated problem solver who enjoys taking ownership of features and making smart, independent technical decisions in a fast-paced, supportive environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

Not Disclosed

Company Description

Outro Health is a seed-stage virtual clinic helping patients safely taper off antidepressants using evidence-based protocols. Co-founded by world-renowned expert Dr. Mark Horowitz, the company is building a first-of-its-kind digital health platform to provide medically supervised guidance for millions looking to safely reduce medication under the Maudsley Deprescribing Guidelines.

Job Description

As engineer #2 at Outro Health, you will partner directly with the CTO to build a revolutionary health platform from scratch. You will own the full-stack architecture across patient-facing mobile apps, clinician portals, and pharmacy integrations. This is a rare opportunity to shape the engineering culture and product of a mission-driven NYC startup.

Location

New York City, USA

Why this role is remarkable

• Join as the second engineer, gaining significant influence over the technical architecture, product direction, and foundational engineering culture from day one.
• Work on a deeply impactful product co-founded by Dr. Mark Horowitz, a leading global authority on deprescribing and co-author of the Maudsley Guidelines.
• Tackle high-complexity engineering challenges including pharmacy integrations, AI-native clinician workflows, and high-stakes patient-facing mobile experiences in an underserved medical niche.

What you will do

• Architect and build end-to-end features using TypeScript, Node.js, and Next.js, scaling the platform from its early stages to a robust production system.
• Develop and maintain cross-platform mobile experiences with React Native, ensuring seamless, medically-safe communication between patients and their specialized clinical teams.
• Collaborate directly with the founders in an onsite NYC environment to iterate on product requirements, pharmacy logistics, and internal operations tooling.

The ideal candidate

• Proven experience as an early-stage or founding engineer (ideally #1-5) who has successfully built and scaled products from near-zero in high-ambiguity environments.
• Deep technical proficiency across the modern TypeScript stack, including React, Node.js, and GCP, with a preference for candidates from the health-tech sector.
• Strong bias for action and local presence in NYC, ready to work onsite 5 days a week in a fast-paced, collaborative startup setting.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer

Salary

Not Disclosed

Company Description

Borderless is a fast-growing immigration-tech startup backed by Entrepreneur First and Backed VC, simplifying the complex UK visa sponsorship process. Since 2023, they have supported over 600 businesses and 15,000 workers, leveraging automation and AI to transform a traditionally broken system into a seamless global mobility platform.

Job Description

You will join a high-impact engineering team of eight, building a full-stack platform that automates UK immigration. Working across TypeScript, React, and AWS, you’ll ship code ten times daily to solve complex logic and data modeling challenges. This role is pivotal in scaling Borderless as it expands into new international markets and sectors.

Location

London, UK

Why this role is remarkable

• Join a mission-driven team backed by Backed VC and Entrepreneur First, solving one of the most significant friction points in the global economy.
• Work at the cutting edge of AI implementation, building LLM-driven document classifiers and security tools that redefine how immigration paperwork is handled.
• Benefit from a culture of high ownership and speed, deploying to production multiple times daily within a small, elite engineering squad of roughly eight people.

What you will do

• Develop and maintain the core Borderless platform using TypeScript, React (NextJS), and Node.js to serve candidates, businesses, and internal teams.
• Design and scale complex PostgreSQL data models to ensure high performance and extensibility as the product expands into new global jurisdictions.
• Integrate advanced LLM and AI capabilities to automate document classification and extraction, significantly reducing manual overhead for international visa applicants and employers.

The ideal candidate

• Possesses 4–7+ years of professional engineering experience with a deep mastery of the full-stack: TypeScript, React, Node.js, and PostgreSQL.
• Demonstrates a proven track record of shipping fast and owning features end-to-end within the fast-paced, high-ambiguity environment of an early-stage startup.
• Displays strong architectural thinking, especially regarding asynchronous workloads via AWS SQS and the tradeoffs between speed-to-market and long-term technical stability.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack TypeScript Engineer

Salary

$165,000 - $220,000 + Equity

Company Description

Outro Health is a mission-driven virtual care startup dedicated to helping people safely taper off antidepressants using the first neurobiology-based method. Led by world-leading expert Dr. Mark Horowitz, the company has established a first-of-its-kind clinical model with meaningful revenue and research partnerships with top health systems.

Job Description

Join Outro Health as engineer #2 to build software that enables patients to safely reduce medication. You’ll partner with the Head of Product to scale a complex clinical care model, moving between patient-facing React Native apps, AI-driven operations, and TypeScript clinical tools while ensuring a unified view of patient health data.

Location

New York, USA

Why this role is remarkable

• Ground-floor opportunity as the second engineer, doubling the technical team and directly influencing the foundational architecture of a category-defining health platform.
• Mission-driven work solving a massive public health challenge led by Dr. Mark Horowitz, the world’s leading expert in neurobiology-based medication tapering.
• High-autonomy environment where you’ll lean into AI tools like Claude and Cursor to maintain a small, high-leverage team with enormous product ownership.

What you will do

• Develop and scale clinical products, including custom clinician tools and AI agents that assist in monitoring patient responses to medication changes.
• Own the end-to-end lifecycle of patient-facing features across web and React Native mobile platforms, from initial design through deployment and clinical iteration.
• Build robust integrations with insurance and data platforms to streamline billing and enable research partnerships with leading universities and health systems.

The ideal candidate

• 3+ years of professional experience as a full-stack engineer with deep expertise in TypeScript, React, and Node.js (Next.js experience is a plus).
• Proven ability to ship products independently and turn ambiguous clinical workflows into clear software models, with a strong focus on data modeling and domain boundaries.
• Systems-minded builder who is excited about leveraging AI tools to accelerate development and has an interest in making complex healthcare systems intuitive for patients.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

£110K – £200K + Equity

Company Description

Incident.io is a $100M-funded Series B startup backed by Index Ventures and Insight Partners, building the leading AI incident response platform for teams like Netflix and Airbnb. Founded by ex-Monzo engineers, they are redefining how engineering organizations handle reliability, on-call, and status updates through a single, seamless platform.

Job Description

Join a high-trust engineering team to own the full product lifecycle from ideation to delivery. You will work closely with customers to identify meaningful problems, ship daily using a Go and TypeScript stack, and build tools that improve reliability for tens of thousands of responders at world-class technology companies.

Location

London, UK

Why this role is remarkable

• True end-to-end ownership where you won't be handed specs; instead, you'll engage directly with customers to shape the roadmap and solve real-world problems.
• Join a rapidly scaling Series B company that has raised $100M from premier investors like Index Ventures, Insight Partners, and Point Nine to dominate the reliability market.
• Work in a high-velocity culture founded by ex-Monzo leaders, featuring daily deployments, weekly changelogs, and a team that genuinely uses the tools they build.

What you will do

• Engage with existing and future customers to gather feedback, identifying the most impactful problems to solve while making pragmatic trade-offs to ensure high-speed delivery.
• Take complete ownership of features from initial design and planning through to implementation, testing, and shipping to a production environment used by global enterprises.
• Collaborate with a high-performing team of engineers to iterate at speed, balancing technical resilience with the need to ship magic moments for users.

The ideal candidate

• Demonstrates a strong track record of building production-ready applications in Go, TypeScript, React, or Python, ideally with experience at high-growth startups or founding teams.
• Possesses a customer-focused, product-minded approach, prioritizing outcomes and impact over output, and thrives in early ideation stages where ambiguity is common.
• Maintains a high bar for craft, from writing clean code and thorough documentation to making sound technical decisions that pragmatically manage technical debt.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founder Associate

Salary

Not Disclosed

Company Description

Series C fintech SaaS platform

Job Description

Working directly with the Co-founder and executive team, you will tackle high-leverage problems across the business. As a generalist, you will move from financial modeling to process redesign and client meetings. This role offers a unique opportunity to compress years of operating experience into a fast-scaling, high-impact environment.

Location

New York, USA

Why this role is remarkable

• Work at the center of gravity alongside the Co-founder & President on the company's most critical unsolved problems.
• Join a well-funded, Series C scale-up backed by top-tier VCs that is fundamentally modernizing regulated financial infrastructure.
• Gain unparalleled exposure to executive decision-making and cross-functional leadership while building new business functions from the ground up.

What you will do

• Own end-to-end execution of cross-functional projects, ranging from client deployments and internal operations to AI enablement.
• Act as a force multiplier for the leadership team by synthesizing complex information and preparing high-level board materials.
• Leverage agentic AI and coding tools to automate workflows and drive operational efficiency at scale.

The ideal candidate

• High-agency generalist with uncommon judgment who thrives in ambiguous environments and prioritizes rapid execution over perfection.
• Fluent in AI tools and automation, with a default mindset of building scalable systems rather than performing manual tasks.
• Exceptional communicator capable of drafting clear internal documentation and engaging effectively with external enterprise stakeholders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Implementation Manager

Salary

Not Disclosed

Company Description

VC-backed fintech infrastructure platform

Job Description

You will orchestrate complex enterprise deployments of an AI-native operating system for the financial services industry. As the primary client partner, you’ll drive execution timelines, manage cross-functional teams, and ensure successful product adoption. This high-impact role blends strategic consulting with operational execution to transform legacy financial infrastructure into modern, programmable systems.

Location

New York, USA

Why this role is remarkable

• Own the end-to-end implementation of AI-native infrastructure for a massive, mission-critical financial sector.
• Join a well-funded Series C startup valued at over $1B and backed by top-tier global venture capital firms.
• High-visibility role with direct access to executive stakeholders, driving measurable P&L outcomes for major enterprise clients.

What you will do

• Lead complex, multi-stakeholder enterprise rollouts as the primary partner for client success and day-to-day execution.
• Coordinate cross-functional teams across engineering, product, and operations to deliver deployment milestones safely and on schedule.
• Develop and codify implementation playbooks, templates, and best practices to accelerate future enterprise onboarding and product scale.

The ideal candidate

• 3-6 years of experience in implementation management, management consulting, or enterprise software deployment at a high-growth company.
• Exceptional organizational skills and high EQ, with a proven ability to build trust with enterprise executive stakeholders.
• Strategic thinker with a "builder" mindset who thrives in fast-paced environments and values operational excellence over ceremony.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engineering Tech Lead

Salary

£80k-£120k

Company Description

ECA International is the world's leading provider of global mobility data and software, serving 500 enterprise clients, including many Fortune 500 companies. As an established and profitable firm, they are currently investing heavily in modernising their data and AI platform from the ground up to maintain their market-leading position.

Job Description

As the Engineering Tech Lead for Data & AI at ECA International, you will spearhead the architecture and evolution of a next-generation data platform. This player-coach role involves mentoring a specialized team while shipping production AI capabilities. You’ll drive technical strategy and collaborate with product peers to deliver high-impact, data-driven business outcomes.

Location

London, UK

Why this role is remarkable

• Lead a ground-up modernisation of the data and AI platform for a company where data is the core product.
• Enjoy the stability and profitability of an industry leader combined with the technical ownership and innovation of a greenfield project.
• Ship real-world AI applications, including LLM integrations and RAG systems, directly into production for a global enterprise client base.

What you will do

• Own the technical architecture and long-term roadmap for the Data & AI environment, ensuring scalability and security.
• Mentor and lead a small team of engineers, fostering a culture of technical excellence and continuous learning.
• Develop and deploy robust data pipelines and AI-powered features using technologies like AWS, Snowflake, and LLMs.

The ideal candidate

• Deep expertise in data engineering with a stack including AWS, Snowflake, event-driven pipelines, and orchestration tools like Airflow or Prefect.
• Proven track record of delivering production-ready AI features, such as RAG systems or ML pipelines, with clear business impact.
• Strong leadership experience in mentoring engineers and collaborating with cross-functional stakeholders to align technical direction with business goals.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Robotic Software Engineer

Salary

Not Disclosed

Company Description

Paddington Robotics Limited is a pre-seed/seed stage, 15-person robotics startup in London founded by a Magic Pony co-founder and building AI-driven hardware to solve real-world labor challenges.

Job Description

As a Robotic Software Engineer at Paddington Robotics Limited, you will own core subsystems end-to-end, moving between high-level autonomy and low-level embedded control. You will write production C++ and Python for physical robots deployed in chaotic, real-world environments, working alongside an elite team from Amazon, InstaDeep, and top-tier UK universities.

Location

London, UK

Why this role is remarkable

• Join a team led by a Magic Pony co-founder (acquired by Twitter) and composed of elite engineers from Amazon, InstaDeep, Imperial, UCL, and Cambridge.
• Work on physical robots that are already shipping and being deployed at customer sites, tackling the messy "edge cases" of reality rather than staying in simulation.
• Enjoy high ownership in a scrappy, 15-person startup where you influence everything from motion planning and SLAM to firmware and sensor fusion.

What you will do

• Take end-to-end ownership of a key robotics subsystem, including specification, implementation, testing, and maintenance of code running on real hardware.
• Develop and optimize algorithms across various domains such as SLAM, navigation, computer vision, and high-performance computing using C++ and Python.
• Collaborate with multi-disciplinary teams and spend time on customer sites to understand real-world requirements and iterate on hardware-software integration.

The ideal candidate

• Proven expertise in Python and C/C++ with a strong track record of shipping software that interacts with physical sensors, actuators, and hardware.
• Hands-on experience in robotics, specifically with microcontrollers, image processing, CUDA, or SLAM, and a Masters degree in Computer Science or a related field.
• A pragmatic, low-ego problem solver who thrives in dynamic, multi-disciplinary environments and is comfortable taking projects from concept to completion.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Engineer

Salary

Not Disclosed + Equity

Company Description

Caplight is a seed-stage, cash-flow positive fintech startup in San Francisco building the "Bloomberg Terminal for private markets" to provide institutional-grade data and trading infrastructure for VCs and leading global investors.

Job Description

Join Caplight as a Senior Backend Engineer to architect the data infrastructure powering private market investing. You will design core systems, develop LLM-driven data pipelines, and build AI-native workflows that bring transparency to billions in live order volume, helping the world's leading institutional investors make high-stakes decisions with real-time intelligence.

Location

San Francisco, USA

Why this role is remarkable

• Build the "Bloomberg Terminal for private markets" for a cash-flow positive startup already handling billions in live order volume for top-tier institutional investors.
• High-ownership role working directly with the CTO to evolve a modular, event-driven architecture using modern AI tooling and advanced data pipelines.
• Join a fast-moving, 15-person team in San Francisco where your technical decisions will directly shape the execution infrastructure modern VC investing runs on.

What you will do

• Design and own core backend systems and APIs that ingest, structure, and enrich fragmented data using LLM-powered pipelines.
• Build and maintain an MCP server to enable institutional clients to interact with private market data through AI-native workflows.
• Collaborate with the CTO on system design, evolving the architecture toward modular services that support institutional-grade speed and reliability.

The ideal candidate

• 4+ years of backend-focused experience, ideally at an early-stage startup, with deep proficiency in TypeScript or typed functional languages like Rust or Haskell.
• Proven track record of shipping production-grade systems and contributing to high-level architectural decisions rather than just implementing feature specs.
• Local to the San Francisco Bay Area and excited to work in a high-velocity, in-person environment at least 3 days per week.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Product Manager

Salary

Not Disclosed + Equity

Company Description

Series B generative AI platform

Job Description

You will lead the charge in defining product management for a pioneering AI company. Owning the end-to-end customer journey, you'll bridge the gap between complex technical capabilities and real-world user value. Working alongside world-class engineers, you will drive execution in a high-ambiguity environment to shape the future of interactive digital experiences.

Location

San Francisco, USA

Why this role is remarkable

• Founding-level impact as one of the first formal product hires in a rapidly scaling environment.
• Opportunity to work at a well-funded Series B startup backed by top-tier venture capital firms.
• Direct influence on the product roadmap and organizational culture for cutting-edge generative technology.

What you will do

• Define and implement product management processes from the ground up for a high-growth engineering team.
• Own customer outcomes end-to-end, managing the full product lifecycle from initial discovery to production.
• Translate complex technical research into intuitive product features that drive user engagement and platform growth.

The ideal candidate

• Proven track record in both 0→1 product development and scaling established features in the technology sector.
• Exceptional communication skills with a focus on written clarity and cross-functional alignment across the organization.
• Strong technical intuition with the ability to collaborate effectively with specialized AI engineering and research teams.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Member of Technical Staff, Infrastructure

Salary

$120K – $250K + Equity

Company Description

The Token Company is a $12M seed-stage startup backed by First Round Capital, NEA, and YC, building specialized machine learning models to compress LLM inputs. By identifying and removing unimportant data before it hits expensive models, they drastically reduce inference costs for high-scale enterprises and tech companies integrating LLMs into their production workflows.

Job Description

You will own the end-to-end cloud infrastructure for a high-performance compression API. This role involves building global, low-latency GPU ML inference systems that sit directly in the critical path of customer traffic. As a core member of a 5-person team, you will drive reliability, scalability, and cost-efficiency for a revolutionary AI product.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite 5-person team backed by $12M from top-tier investors like First Round Capital and founders of Dropbox, Slack, and Supercell.
• Solve critical infrastructure challenges for LLM efficiency, building the low-latency systems that enable enterprises to scale AI cost-effectively.
• Benefit from an unparalleled San Francisco living experience with provided housing, food, laundry, and cleaning services, plus full visa sponsorship.

What you will do

• Architect and manage global, high-throughput GPU inference infrastructure using AWS, Terraform, and Docker to ensure maximum performance and uptime.
• Own the entire infrastructure stack from initial deployment and CI/CD pipelines to long-term reliability and cost-efficiency research.
• Collaborate closely with research and product teams to integrate and scale compression models into a high-traffic production API.

The ideal candidate

• Demonstrated experience building and operating production-grade cloud infrastructure at scale using tools like AWS and Terraform.
• Strong background in managing containerized environments with Docker and establishing robust CI/CD pipelines for high-reliability systems.
• Proven ability to take end-to-end ownership of an infrastructure stack, ideally within a fast-paced startup or high-growth engineering environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

VP of Product

Salary

$250-300K + 20% Bonus + Equity

Company Description

OneNotary, Inc. is a $5M Series A verification infrastructure layer backed by Jackson Square Ventures, building the legal human-in-the-loop layer for digital workflows. With 50,000+ credentialed notaries and a strategic DocuSign partnership, they are scaling 2-3x yearly to become the trusted verification standard for regulated global industries.

Job Description

As the first VP of Product at OneNotary, Inc., you will transform a notary-focused service into a multi-vertical human verification infrastructure platform. Reporting to the CEO, you will own the product strategy, build the PM organization from scratch, and define the APIs powering strategic partnerships with giants like DocuSign.

Location

San Francisco, USA

Why this role is remarkable

• Join a $5M Series A company with proven traction, growing 2-3x year-over-year with a defensible moat of 50,000+ state-credentialed notaries.
• Shape a new category of infrastructure with a strategic partnership and investment from DocuSign already fueling enterprise and ISV motions.
• Lead the evolution from a single-service product to a comprehensive platform for identity verification, compliance attestation, and regulated KYC workflows.

What you will do

• Own the entire product strategy and roadmap across core verticals like notary and I-9, plus expansion into fraud deflection and lending solutions.
• Build and scale the product management organization from zero, hiring and developing a high-performance PM team to support enterprise expansion.
• Lead the embedded and API product experience, managing high-stakes design partnerships with top-tier enterprise accounts and strategic ISV partners.

The ideal candidate

• Brings 10+ years of product leadership in B2B SaaS, having scaled a platform company through the $10M to $50M+ ARR growth phase.
• Demonstrates deep expertise in API-first or embedded platform products, matching patterns from industry leaders like Stripe, Plaid, Twilio, or Okta.
• Possesses founder-adjacent DNA and the ability to thrive in regulated domains like fintech or legaltech while partnering closely with a technical founding team.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Special Projects Lead

Salary

£70k-£80k + Equity

Company Description

Global B2B supply chain platform

Job Description

You will own high-impact commercial bets from thesis to proven economics. This founder-operator role involves launching new business lines, negotiating complex partnerships with major brands, and building AI-native workflows to scale supply chain logistics. You’ll lead the transition from experimental pilots to core operational motions, directly influencing the company's global expansion.

Location

London, UK

Why this role is remarkable

• Work in a high-leverage "founder-operator" seat with total ownership of end-to-end commercial bets.
• Join a well-funded, hyper-growth scale-up backed by top-tier global venture capital firms.
• Directly impact future revenue streams by building the core business motions for a global marketplace.

What you will do

• Take strategic commercial bets from initial thesis to signed deals and live pilots.
• Negotiate bespoke, high-value partnerships with major brands, liquidators, and logistics providers.
• Develop and implement AI-native workflows and automated systems to drive operational leverage.

The ideal candidate

• Background as a founder or early-stage operator who has built business lines from scratch.
• Experience closing high-value, bespoke deals with senior stakeholders and brand directors.
• Strong commercial rigour with the ability to analyze unit economics and scale pilots quickly.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer, Financial Crime

Salary

£75k–£110k + Equity

Company Description

Godiligent.ai is a London-based AI startup backed by top-tier investors, founded by leaders who previously built fraud and AML risk solutions protecting billions in transactions at Europe's top fintechs. They develop advanced AI agents to automate anti-financial crime operations for leading banks and payment companies globally.

Job Description

As a founding Product Engineer at Godiligent.ai, you will bridge the gap between compliance operations and software engineering. You will own problem areas end-to-end, from deep discovery with customers to shipping AI-driven solutions that automate risk investigations. Your work will directly empower compliance teams to fight financial crime at a global scale.

Location

London, UK

Why this role is remarkable

• Join a high-caliber founding team with direct access to founders who have scaled fintech security solutions at Europe's most successful unicorns.
• Work at the intersection of AI and RegTech, building autonomous agents that solve massive inefficiencies in global banking and anti-money laundering workflows.
• Influence the company’s technical and product trajectory from its earliest days, enjoying significant equity and a culture that prizes engineering autonomy.

What you will do

• Collaborate directly with compliance and risk teams at leading fintechs and banks to identify and solve friction points in AML and KYB monitoring.
• Design, build, and iterate on production-ready software using Python and TypeScript to automate manual reviews and improve alert quality.
• Shape the overall product roadmap alongside the CEO and CTO, translating real-world industry pain points into technical features that provide a competitive advantage.

The ideal candidate

• Possesses 5-8 years of combined experience across financial crime compliance and software engineering, with proficiency in Python, TypeScript, or equivalent languages.
• Has deep domain expertise in AML, KYB, or fraud operations, including familiarity with industry tools like WorldCheck, ComplyAdvantage, or LexisNexis.
• Demonstrates a problem-first mindset and the ability to navigate ambiguity, shipping product features independently while taking full responsibility from discovery to delivery.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Backend Engineer

Salary

£65k-£75k + Equity

Company Description

Fast-growing accounting-tech SaaS startup

Job Description

You will join as a core engineer responsible for building automation and AI features that eliminate manual financial workflows. Working directly with the CPTO, you will design scalable, dependable backend systems and contribute to product hypotheses. This is a high-impact role in a lean team where your code ships to customers rapidly.

Location

London, UK

Why this role is remarkable

• Join a category leader that recently passed a major revenue milestone and is doubling its headcount to accelerate growth.
• Enjoy high ownership and visibility as the fourth engineer in a technical team led by experienced repeat founders.
• Benefit from a culture of personal development with a dedicated budget and time for learning complex financial domains.

What you will do

• Develop and maintain core backend services using Spring Boot, Java/Kotlin, and Ruby on Rails.
• Collaborate across the business to translate user needs into pragmatic, well-tested technical solutions.
• Contribute to small frontend features in React to ensure seamless end-to-end product delivery.

The ideal candidate

• Proven experience as a backend engineer in a fast-paced startup environment with strong JVM or Rails skills.
• A pragmatic problem-solver who enjoys wearing multiple hats and building 80/20 solutions for rapid testing.
• Based in the UK and able to commute to Central London at least one day per week.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer, Full Stack

Salary

$180k-$250k + Equity

Company Description

Formulary Financial, Inc. is a $4.6M seed-stage fintech backed by Khosla Ventures and Serena Ventures that is building the world's first AI-native fund administration platform. The company transforms complex asset management operations into data-driven intelligence, managing billions in assets for leading global private equity and venture capital firms.

Job Description

As a founding-stage engineer at Formulary Financial, Inc., you will build the world’s first AI-native data platform for fund administration. You’ll design scalable backend services, user-centric frontends, and integrate agentic AI workflows. This high-ownership role allows you to shape the technical architecture and product direction while tackling complex fintech challenges for leading global asset managers.

Location

New York, USA

Why this role is remarkable

• Join the founding engineering team at a Khosla-backed startup reinventing a multi-trillion dollar industry with AI-native technology.
• Experience high-speed, high-leverage work while collaborating directly with repeat founders and veterans from top-tier firms like Ramp and Addepar.
• Influence the entire technical stack, from data pipelines to agentic AI workflows, with meaningful equity in a high-growth venture.

What you will do

• Build and scale a full-stack platform connecting fund administration teams, GPs, and LPs using modern distributed cloud architectures.
• Design and integrate agentic AI capabilities to automate complex financial workflows and streamline investor communications and reporting.
• Architect robust data systems and back-end frameworks to manage billions in assets while ensuring data accuracy and accessibility.

The ideal candidate

• Has 8+ years of professional full-stack engineering experience with a deep understanding of storage systems, databases, and DevOps.
• Demonstrates a proven track record of shipping quality products at early-stage startups or world-class fintechs like Ramp or Square.
• Possesses a strong interest in AI/ML and the ability to navigate ambiguous, complex problems with an owner’s mindset.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

Not Disclosed + Equity

Company Description

Truvo is a seed-stage NYC insurtech startup backed by the founders of MongoDB and Indeed, building a fully autonomous AI-native insurance broker.

Job Description

Join Truvo as a Founding Engineer to build AI agents and models that automate a trillion-dollar industry. You will own the end-to-end development of production-grade LLM systems, creating deep API integrations with legacy carrier rails to save households hundreds of dollars. This is a high-impact, IC role for scrappy, first-principles builders.

Location

New York City, USA

Why this role is remarkable

• True founding-level ownership with 0.4-1% equity and the chance to shape the product, technical architecture, and culture from the ground up.
• Backed by an elite group of investors including the founders of Wayve, Indeed, and MongoDB, alongside early team members from Google and Meta.
• Tackle the massive complexity of rewiring the antiquated trillion-dollar insurance industry using cutting-edge AI agents and multi-agent systems rather than just prototypes.

What you will do

• Design and deploy production-grade AI agents and multi-agent systems using frameworks like LangChain or LangGraph to automate complex insurance workflows.
• Engineer deep API integrations into legacy insurance carrier systems to enable autonomous quoting, binding, and policy servicing at scale.
• Collaborate directly with the CEO and technical leadership to move from zero to one, shipping code to production from day one.

The ideal candidate

• Proven experience building and fine-tuning production LLM systems and AI agents, with strong foundations in computer science and scalable system architecture.
• Exceptional startup grit and high agency demonstrated through previous technical co-founder roles or being an early-stage employee at a high-growth startup.
• Scrappy, hands-on builder who thrives in ambiguity and is comfortable working across the stack to solve messy, high-impact problems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Generalist Engineer

Salary

Not Disclosed + Equity

Company Description

Greptile is a $30M venture-backed startup in San Francisco building AI agents that autonomously review and validate code, supported by Benchmark, YC, and Paul Graham.

Job Description

Join Greptile as a Generalist Engineer to build AI agents that autonomously review and test code for thousands of companies like Stripe and Brex. You'll work across the full stack on LLM memory and codebase indexing. This role offers the chance to define the future of software engineering at a high-growth startup.

Location

San Francisco, USA

Why this role is remarkable

• Work on a product already used by over 9,000 companies, including high-profile tech leaders like Stripe, Brex, and Substack, while reviewing 1B lines of code monthly.
• Join a small, elite engineering team of former Stripe, Google, and Figma engineers backed by top-tier investors like Benchmark and Paul Graham with $30M in funding.
• Engage in a unique "offense/defense" work cycle that balances deep-work feature sprints with system health, ensuring exposure to both building and scaling infrastructure.

What you will do

• Design and implement full-stack features involving multi-language codebase indexing, semantic search, and agent-based code validation to catch complex bugs.
• Build AI systems using sample-efficient reinforcement learning to help agents learn a team's coding standards and increase signal-to-noise in PR feedback.
• Participate in daily in-office collaboration in San Francisco, rotating between high-velocity feature development and maintaining the robustness of the core system.

The ideal candidate

• Possesses strong CS foundations and at least 1+ years of experience shipping production-grade software in a fast-paced, high-growth environment.
• Demonstrates high proficiency in JavaScript/TypeScript and a generalist mindset, capable of picking up new tools or languages as technical challenges require.
• Thrives in the chaos of a startup, showing excitement for shifting priorities and the immediate impact of shipping code to thousands of developers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

How does this work?

• Jack's an AI agent for job searching and career coaching. He works for you.
• Jill is the AI recruiter working for the company. She recruits from Jack's network.
• If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE