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

The next step is to speak to Jack.

Job Title

Sales Representative

Salary

Not Disclosed

Company Description

Sataklela OÜ is a bootstrapped EdTech company behind UnTXT, an essential tool for students worldwide who are fighting back against false AI detection accusations and academic integrity penalties.

Job Description

You will drive growth for UnTXT across Southeast Asia and the Far East by identifying and converting tutoring agencies (B2B) and individual students or parents (D2C). Leveraging your regional market knowledge and language skills, you will act as a closer, helping users navigate the growing challenges of academic integrity tools.

Location

Remote, Southeast Asia & Far East

Why this role is remarkable

• You are selling a mission-driven product that protects students from unfair academic penalties and provides the evidence needed to prove original authorship.
• This role offers uncapped earning potential through a 100% commission-based structure with trailing residuals in the massive, underserved Asian tutoring market.
• You will have the autonomy to build relationships and close deals using the regional platforms that matter most, including WhatsApp, WeChat, and LINE.

What you will do

• Identify and approach tutoring centers and agencies across Southeast Asia and the Far East to establish B2B partnerships and drive user sign-ups.
• Engage directly with students and parents in online communities to resolve academic integrity issues by presenting UnTXT as a credible solution.
• Use product documentation to provide expert advice on false positives and proof of authorship to potential customers during the sales process.

The ideal candidate

• Native or professional proficiency in one or more regional languages, including Mandarin, Cantonese, Japanese, Korean, Malay, Thai, Tagalog, Vietnamese, or Bahasa.
• Proven sales experience within the Asian education or tutoring ecosystem with the ability to build trust and close deals independently.
• Sufficient AI literacy to explain detection tool failures and the ability to onboard three paying users within 24 hours for the capability assessment.

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 - Data Infrastructure

Salary

Not Disclosed

Company Description

VC-backed fintech data platform

Job Description

Build the mission-critical data layer for a high-growth fintech platform serving private credit fund managers. You will design robust ETL pipelines, enforce strict data contracts, and ensure absolute financial correctness for complex calculations like NAV and LP returns. This is a high-stakes role where accuracy is the foundation of institutional trust.

Location

New York, USA

Why this role is remarkable

• Own the core infrastructure where correctness is non-negotiable, ensuring financial accuracy for institutional fund managers at a critical growth stage.
• Join a well-funded seed-stage startup backed by premier VCs and founded by experienced industry veterans from top-tier financial institutions.
• Work in a high-impact, AI-native environment where cutting-edge tools accelerate development without compromising the integrity of fundamental financial logic.

What you will do

• Design and ship a comprehensive mutation audit log to meet SOC 2 Type II standards and ensure complete data lineage.
• Architect and harden ingestion pipelines to automate partner onboarding, reducing complex ETL timelines while maintaining data integrity.
• Define and enforce versioned data contracts that allow product teams to build features rapidly without touching underlying financial calculation logic.

The ideal candidate

• 6+ years of backend engineering experience with a deep focus on ETL pipelines, data infrastructure, or regulated financial systems.
• Advanced proficiency in Python, including experience with modern frameworks like FastAPI, SQLAlchemy, and managing high-performance PostgreSQL databases.
• Demonstrated ownership of production codebases and strong opinions on integration testing methodologies that guarantee correctness over synthetic data fixtures.

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

Head of Performance Marketing / Paid Acquisition

Salary

$180k-$250k + Equity

Company Description

Fortuna Health is a $22M Series A health tech startup backed by a16z and Y Combinator. After securing a dominant B2B position helping providers manage Medicaid navigation, Fortuna is expanding into the D2C market to help 80+ million Americans access and maintain their healthcare coverage through an intuitive, consumer-first platform.

Job Description

You will lead Fortuna Health’s transition into the D2C market by building and owning the performance marketing engine from the ground up. Focusing on paid search, you’ll architect the growth funnel, manage significant budgets, and run high-velocity experiments. This is a hands-on, high-impact role driving the primary acquisition channel for a mission-critical healthcare platform.

Location

New York, USA

Why this role is remarkable

• Own the entire D2C acquisition strategy from scratch at a well-funded Series A startup backed by premier investors like a16z and Y Combinator.
• Drive meaningful social impact by helping millions of families navigate the complex Medicaid system to ensure they don't lose vital health coverage.
• Join a high-growth environment with a dominant B2B foundation, now scaling into a massive consumer market with full autonomy over the paid search stack.

What you will do

• Architect and execute the end-to-end paid search strategy, primarily focused on Google Ads, to deliver high-intent leads at scale.
• Build a disciplined experimentation engine for ad creative, landing pages, and interactive tools to optimize conversion across the entire funnel.
• Collaborate with senior leadership and operations to report on key metrics like CAC and ROAS, tying marketing spend directly to enrollment outcomes.

The ideal candidate

• Has at least 4 years of performance marketing experience with a proven track record of scaling paid acquisition in a fast-paced environment.
• Demonstrates mastery of Google Ads and paid search funnels, ideally within regulated industries such as healthcare, fintech, or legal services.
• Thrives in a high-velocity, in-person culture and possesses a builder’s mindset, comfortable moving from high-level strategy to hands-on account 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

Senior Media Buyer (Freelance)

Salary

£3,600/month (£450/day)

Company Description

Specialist growth marketing consultancy

Job Description

You will own end-to-end performance marketing for B2B and SaaS clients with complex sales cycles. Managing six-figure monthly budgets across Google and Meta, you'll set strategy and optimize for high-value conversions. This remote, part-time freelance role offers high autonomy, working alongside senior operators who value strategic thinking and technical depth.

Location

Remote, UK/EU

Why this role is remarkable

• Work alongside seasoned senior operators with 12+ years of experience in a high-trust, peer-to-peer environment.
• Manage substantial six-figure monthly budgets for strategic B2B and SaaS clients rather than high-churn D2C accounts.
• Enjoy full ownership over budget allocation and testing strategies within a lean, remote-first operational structure.

What you will do

• Manage and optimize £100k+ monthly budgets across Google Ads, including Search, Shopping, PMax, and YouTube.
• Collaborate on full-funnel strategies involving conversion rate optimization, CRM integrations, and lead quality improvements.
• Act as a strategic partner to clients, identifying growth opportunities and pushing the boundaries of campaign performance.

The ideal candidate

• Proven experience managing £100k+ monthly budgets in Google Ads, specifically within B2B or SaaS environments.
• A self-sufficient freelance background with the ability to manage client relationships and strategy autonomously.
• Deep technical knowledge of full-funnel marketing, attribution modeling, and the nuances of long-cycle sales funnels.

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

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

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

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.

===

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

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

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

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

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

$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

GTM Engineer

Salary

Not Disclosed

Company Description

VC-backed e-commerce marketplace

Job Description

You will build and scale the infrastructure for a global e-commerce marketplace. As the first GTM Engineer, you’ll design an end-to-end acquisition engine, automating lead sourcing and AI-personalized outreach. This hybrid role combines sales engineering with AI automation to transform manual prospecting into a repeatable, high-growth engine for global expansion.

Location

London, UK

Why this role is remarkable

• Opportunity to build a first-of-its-kind GTM acquisition engine from scratch at a high-growth startup.
• Backed by top-tier VCs and recently closed a successful Series B funding round with massive year-on-year growth.
• High-impact role with a direct line to founders and disproportionate ownership over global business scaling.

What you will do

• Design and ship end-to-end systems that source, enrich, and qualify prospects across multiple social and retail platforms.
• Build AI-powered multi-channel sequences that prioritize personalized engagement over mass outreach while navigating platform constraints.
• Develop autonomous agents to handle repeatable workflows including qualification, CRM hygiene, and first-touch personalization.

The ideal candidate

• Proven experience building custom scrapers, enrichment pipelines, and outreach automation systems rather than just configuring tools.
• An AI-first mindset with the ability to leverage LLMs and automation to scale commercial operations efficiently.
• Strong commercial judgment with a background in B2B GTM strategies and experience managing complex sales funnels.

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

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

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.

===

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

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

AI Engineer

Salary

$170k-$220k + Equity

Company Description

Withshepherd.com is a $42M Series B AI-native insurance platform backed by Spark Capital and Intact Private Capital, automating high-hazard commercial underwriting for global infrastructure.

Job Description

Join Withshepherd.com's elite AI team to build the industry's first fully autonomous underwriting system. You will architect agentic workflows and RAG pipelines that transform messy, unstructured data into real-time insurance quotes for massive infrastructure projects. This high-impact role involves designing, prompt engineering, and shipping production-ready AI systems that redefine risk management.

Location

San Francisco, USA

Why this role is remarkable

• Ship the first agentic underwriting system in a $700B+ industry, moving from weeks-long manual processes to seconds-long AI automation for massive construction projects.
• Work in a high-leverage environment with a $42M Series B war chest, backed by industry giant Intact and top-tier VCs like Spark Capital and Susa Ventures.
• Join a culture where AI is a core part of the workflow, shipping daily alongside a CTO from Airbnb’s early engineering team in a dog-friendly SF office.

What you will do

• Architect and build agentic workflows that chain LLM capabilities to make autonomous underwriting decisions for $50M+ construction and renewable energy projects.
• Develop advanced information extraction systems and RAG pipelines to reach 100% parsing accuracy for complex, unstructured insurance documents and static applications.
• Collaborate cross-functionally with underwriters and product designers to translate complex insurance logic into scalable, production-grade AI agents that perform end-to-end workflows.

The ideal candidate

• Proven experience building production AI systems, including expert prompt design, RAG implementation, and architecting agents using LLM APIs in a high-growth environment.
• Strong full-stack foundations in TypeScript/JavaScript, specifically with Node.js and React/Next.js, supported by at least 5 years of professional software engineering experience.
• Founding-stage DNA with an obsession for ownership, capable of navigating extreme ambiguity and shipping high-quality code multiple times per day to solve real-world 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

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

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

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

Senior Account Manager

Salary

£110k + £70k Commission

Company Description

V7 is a $33M Series A AI platform backed by Radical Ventures and Temasek, building the infrastructure layer for enterprise AI workflows. Their latest product, V7 Go, enables leading financial institutions and private equity firms to deploy custom AI agents that process complex documents with transparent, verifiable logic.

Job Description

You will own and expand a $3M book of business for V7 Go, our fastest-growing product line focused on the finance vertical. Managing relationships with sophisticated private equity firms and asset managers, you'll identify high-value AI automation opportunities, drive 160% NRR growth, and architect expansion strategies that transform how global financial services operate.

Location

London, UK

Why this role is remarkable

• Take ownership of a high-growth $3M portfolio within a product line that has achieved 160% NRR in its first year.
• Join a $33M Series A leader backed by top-tier investors like Radical Ventures and the architects of Transformers and Gemini.
• Operate at the cutting edge of enterprise AI, helping the world's most sophisticated financial firms deploy verifiable AI agents.

What you will do

• Manage and expand an established book of business consisting of top-tier private equity firms, asset managers, and private markets teams.
• Drive commercial growth by identifying new AI automation workflows and negotiating complex expansion deals and renewals.
• Collaborate directly with product and engineering teams to align the V7 Go roadmap with the evolving needs of financial enterprise clients.

The ideal candidate

• Holds 4-5+ years of B2B SaaS account management experience, preferably within high-growth VC or PE-backed environments.
• Possesses a deep understanding of the financial services sector, specifically private equity, asset management, or private markets workflows.
• Demonstrates a proven track record of growing enterprise accounts through consultative selling and a strong technical grasp of AI/ML 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

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

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

Infrastructure Engineer

Salary

£65k–£95k + Equity

Company Description

Valyu is a London-based, seed-stage startup with over £2M raised to build the foundational search and memory layer for AI agents. We are a team of nine engineering-focused individuals rethinking how AI-native applications access, understand, and act on petabyte-scale knowledge through advanced retrieval and indexing systems.

Job Description

Join Valyu to own the core infrastructure powering the next generation of AI agents. You will design and operate petabyte-scale storage, retrieval, and serving systems. By building high-performance architectures in Rust and Python, you’ll ensure that AI agents have the fast, reliable context they need for complex reasoning and research.

Location

London, UK

Why this role is remarkable

• Work at the frontier of AI infrastructure where your code defines how agents access and process world knowledge at a petabyte scale.
• Join a lean, highly technical team of nine in London backed by over £2M in seed funding, offering immense ownership and minimal abstraction.
• Experience a true renaissance in information retrieval, moving from first-principles research to production-ready systems that handle indexing and serving in real-time.

What you will do

• Own the end-to-end architecture of critical layers, including search and storage engines, data lakes, ingestion pipelines, and ML serving systems.
• Make foundational technical decisions on storage formats, query algorithms, and scheduling models that balance petabyte-scale latency against operational costs.
• Engineer high-concurrency systems using Rust and Python, operating them on AWS and GCP with tools like Kubernetes, Terraform, and advanced observability.

The ideal candidate

• A mid-level engineer with at least 3 years of experience shipping and operating systems-intensive infrastructure or distributed systems in production environments.
• Highly proficient in Rust and Python, with a background in database internals, search infrastructure, or scaling ML systems like vector databases and RAG.
• A relentlessly resourceful builder who has managed cloud workloads on AWS/GCP and possesses the technical judgment to make long-term architectural trade-offs.

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

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

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

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

The next step is to speak to Jack.

Job Title

Data Scientist / MLE

Salary

$200k-$300k + Equity

Company Description

High-growth AI marketing technology platform

Job Description

You will lead the development of the machine learning backbone for an advanced platform. You’ll architect NLP models and search algorithms to help brands optimize their presence in the next generation of discovery engines. This is a hands-on role building production-grade LLM applications, retrieval systems, and ranking models at scale.

Location

New York, USA

Why this role is remarkable

• Work at the intersection of LLMs, search, and brand discovery within a fast-moving, technical environment.
• Join a well-funded, Series B startup backed by premier Tier-1 venture capital firms during a period of hyper-growth.
• High-impact technical leadership role where you influence core architecture and ship production systems that define a new category.

What you will do

• Architect and deploy production-grade NLP and search systems that analyze and optimize content for AI-driven discovery engines.
• Build and scale advanced LLM-based applications including RAG systems, autonomous agents, and fine-tuning pipelines at production scale.
• Partner with product and engineering teams to identify ML opportunities and own the infrastructure from experimentation to serving.

The ideal candidate

• 5+ years of experience building and scaling production ML systems with a focus on NLP, search, or recommendation engines.
• Hands-on expertise with LLMs, prompt engineering, and modern ML infrastructure for monitoring, serving, and experiment tracking.
• Proven ability to drive technical strategy and influence engineering practices through high-quality code and architectural leadership.

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 Customer Success Manager

Salary

$100k-$220k + Equity

Company Description

Movo AI is an early-stage startup building voice AI for small businesses, empowering non-technical SMB owners with intuitive, accessible automation tools.

Job Description

Join Movo AI as our founding Customer Success Manager to build the customer function from scratch. You will own the end-to-end post-sale journey—from onboarding and use-case consulting to driving renewals and expansion. This is a high-impact IC role for a scrappy builder eager to define the playbook for voice AI adoption in the SMB market.

Location

New York City, USA

Why this role is remarkable

• Founding-level impact: You aren't just managing accounts; you are building the entire customer success department, playbooks, and strategy from the ground up at an early-stage AI startup.
• High-upside compensation: A competitive salary range of $100k-$220k plus equity offers significant financial upside and ownership in a rapidly growing category.
• Market-defining product: Bring cutting-edge voice AI to the underserved small business market, making sophisticated technology intuitive and accessible for non-technical users.

What you will do

• Own the full-stack customer journey, including onboarding new SMB clients, consulting on specific voice AI use cases, and ensuring deep product adoption.
• Manage end-to-end commercial conversations, including building the renewal engine and identifying expansion opportunities to drive net revenue retention.
• Partner cross-functionally with Product and GTM teams to relay customer feedback, influence the roadmap, and build scalable customer success playbooks.

The ideal candidate

• Proven experience as an early hire or high-performing operator at a growth-stage SaaS company (e.g., Clay, Gong, Attentive) or vertical SaaS leader (e.g., Toast, ServiceTitan).
• Exceptional commercial instincts with a track record of owning expansions, renewals, and consultative sales processes for non-technical buyers.
• A builder's mindset with a history of scrappy execution, potentially as a former founder or a founding team member at a YC-backed startup.

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: 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

Automation Engineer

Salary

Not Disclosed

Company Description

Ligo Biosciences is a San Francisco-based biotechnology company focused on advanced biological automation and workflow efficiency.

Job Description

As an Automation Engineer at Ligo Biosciences, you will design and implement complex biological workflows using Hamilton systems. You will tackle diverse technical challenges in a fast-paced environment, bridging the gap between biology and engineering. This role is ideal for an early-career professional eager to drive impact in a high-growth biotech setting.

Location

San Francisco, USA

Why this role is remarkable

• Directly influence the scaling of biological experiments by building state-of-the-art automation infrastructure from the ground up.
• Join a high-intensity, mission-driven team in San Francisco where your contributions to technical challenges have immediate visibility and impact.
• Develop deep expertise in industry-leading Hamilton automation systems while remaining flexible to work across various engineering domains.

What you will do

• Develop, program, and maintain automated liquid handling protocols using Hamilton systems to streamline complex biological assays.
• Troubleshoot hardware and software integration issues, ensuring high reliability and uptime for critical laboratory automation workflows.
• Collaborate with biological scientists to translate manual laboratory processes into scalable, robust automated solutions across the platform.

The ideal candidate

• Possesses hands-on experience with Hamilton systems and a strong understanding of biological laboratory automation workflows.
• Demonstrates a high degree of technical flexibility and a proactive "founder's mindset" to tackle diverse engineering problems beyond the initial scope.
• Is an early-career professional based in San Francisco, prepared for the high-intensity demands and long hours characteristic of a fast-growing startup.

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

Backend Engineer

Salary

Not Disclosed + Equity

Company Description

LlamaIndex is a Series A startup building the essential document infrastructure layer for the next generation of AI applications, supporting over 25 million monthly downloads on its open-source library.

Job Description

Join a high-caliber team at LlamaIndex building core services like LlamaCloud and LlamaParse. You will own the backend lifecycle for tools powering AI agentic workflows at scale. This role focuses on designing robust APIs and scaling Kubernetes-based infrastructure to handle millions of documents for a massive global developer community.

Location

San Francisco, USA

Why this role is remarkable

• Scale massive impact with over 25 million monthly downloads on the open-source library, reaching the heart of the global AI developer ecosystem.
• Join a small, high-autonomy Series A team where you shape architectural decisions for critical AI infrastructure rather than just executing pre-defined tickets.
• Work at the cutting edge of AI agentic workflows, building the document processing layer that powers the world's most advanced LLM applications.

What you will do

• Design, develop, and maintain high-performance Python-based APIs (REST, GraphQL, or gRPC) that serve as the foundation for LlamaCloud and LlamaParse.
• Architect and manage Kubernetes-based deployments across AWS/GCP, ensuring the scalability and reliability of systems processing millions of documents.
• Collaborate with a lean engineering team to ship end-to-end features, from service architecture to CI/CD automation via GitHub Actions.

The ideal candidate

• Has 4+ years of production experience in Python, demonstrating engineering rigor from top-tier tech firms combined with the velocity of early-stage startups.
• Possesses deep expertise in Kubernetes, including deploying, scaling, and debugging complex containerized environments in production settings.
• Demonstrates a proven track record of shipping independently and thriving in fast-paced environments without the need for heavy management process or overhead.

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, Infrastructure

Salary

$140K–$215K + Equity

Company Description

Opal Security is a $59M venture-backed security leader building AI-native identity governance, supported by premier investors like Greylock and Battery.

Job Description

Join Opal Security to architect and scale critical infrastructure for AI-native security. You will own the platform's stability across Kubernetes, Golang, and Terraform, supporting both cloud and self-hosted environments. Collaborate directly with engineers at industry leaders like Figma and Databricks to build the next generation of identity management tools.

Location

San Francisco, USA

Why this role is remarkable

• Direct impact on security infrastructure for category-defining companies like Databricks, Figma, and Cloudflare.
• Backed by $59M from top-tier investors Greylock and Battery, led by experts from Dropbox and the intersection of math and crypto.
• High-growth environment with a seat at the table for product decisions and the creative freedom to architect complex multi-cloud solutions.

What you will do

• Design and scale critical infrastructure using Kubernetes, Golang, and Terraform across AWS, GCP, and self-hosted customer environments.
• Architect systems that ensure platform stability, security, and speed, enabling product engineers to ship features with high confidence.
• Consult directly with security and engineering teams at Fortune 500 startups to understand and solve their complex IAM challenges.

The ideal candidate

• Strong background in infrastructure engineering with deep expertise in Golang, Kubernetes, and managing distributed systems at scale.
• Experienced in infrastructure-as-code using Terraform and proficient in managing cloud-native databases like Postgres and Redis.
• Proactive problem-solver who enjoys working across the stack and collaborating with both internal teams and external enterprise customers.

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 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

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

Member of Technical Staff, Research

Salary

$120k-$300k + Equity

Company Description

The Token Company is a $12M seed-stage San Francisco startup backed by First Round Capital, NEA, and Y Combinator building ML models that compress raw LLM context.

Job Description

You will own the model training stack end-to-end, designing and training compression models from scratch on NVIDIA B200s. Moving beyond simple RAG or prompt engineering, you will solve deep research problems in mechanistic interpretability and data generation to identify which information truly matters to an LLM, delivering immediate cost and latency improvements for production users.

Location

San Francisco, USA

Why this role is remarkable

• Work on a high-leverage research problem—context compression—with a direct feedback loop from real production usage and high-growth scale-up customers.
• Exceptional backing with $12M from First Round, NEA, and the founders of Hugging Face, OpenAI, and xAI, providing massive resources and runway.
• Live and work in San Francisco with a unique support package including housing, food, laundry, and visa sponsorship, allowing total focus on research.

What you will do

• Design and train novel transformer architectures from scratch on NVIDIA B200 clusters to compress context while preserving downstream model answerability.
• Build and own the entire training pipeline, including synthetic data generation, post-training, evaluation design, and shipping models into production.
• Analyze mechanistic interpretability and routing strategies to ensure compressed contexts generalize across domains without degrading downstream LLM performance or quality.

The ideal candidate

• Deep experience pretraining or performing significant post-training on transformer models, moving beyond basic fine-tuning or calling external model APIs.
• Strong ML fundamentals with the ability to translate research papers into high-performance training runs and novel architectural implementations from scratch.
• A production-first mindset that prioritizes shipping models that solve real-world economic constraints over purely academic publication goals or static evals.

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

Forward Deployed Infrastructure Engineer

Salary

Not Disclosed

Company Description

Sirius is an early-stage startup building high-performance embedded infrastructure for business metrics and customer data. We empower companies to drop powerful, data-dense widgets and SDKs directly into their products, focusing on conversion-critical flows and seamless user experiences at the intersection of fintech and analytics.

Job Description

As a Forward Deployed Infrastructure Engineer at Sirius, you will own the end-to-end lifecycle of our core embedded product. You'll build high-performance SDKs and widgets that live inside customer applications, optimizing for bundle size and load speed. This role combines deep frontend engineering with a focus on business-critical metrics like conversion and retention.

Location

San Francisco, USA

Why this role is remarkable

• Own the core product: At Sirius, the widget is the product rather than just frontend glue, giving you direct impact on how customers interact with our technology.
• High-stakes engineering: Build conversion-critical flows where performance and bundle size are the difference between success and failure for our enterprise partners.
• Early-stage autonomy: Join an agile Seed/Series A team where you have the autonomy to perform your own design QA and shape the engineering culture.

What you will do

• Develop and maintain third-party scripts, iframes, and SDKs designed to be embedded directly into diverse customer environments.
• Optimize load performance and minimize bundle sizes to ensure our one-line SDK never degrades the performance of a host site.
• Build data-dense dashboards and consoles that clearly visualize offer performance, churn signals, and cohort data for end-users.

The ideal candidate

• Proven experience building B2B SaaS interfaces or fintech UI for companies specializing in conversion-critical flows and analytics.
• Expertise in developing embeddable widgets or snippets that maintain high trust signals while living inside another company's product.
• Previous experience at a Seed or Series A startup with a track record of iterating on existing codebases rather than just greenfield 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

Founding Forward Deployed Engineer

Salary

Not Disclosed

Company Description

Well-funded enterprise AI startup

Job Description

As a founding member of the engineering team, you will bridge the gap between product development and real-world deployment. You will partner with early customers to integrate complex AI solutions into their existing workflows, building the scalable infrastructure and tooling required to move advanced machine learning models from prototype into production-grade environments.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with the founding team at a high-growth startup backed by world-class venture capital firms.
• Massive ownership over the engineering roadmap, influencing how the core product evolves to meet enterprise demands.
• Unique opportunity to solve difficult technical challenges at the intersection of infrastructure, software engineering, and applied AI.

What you will do

• Design and implement custom integrations that enable large organizations to leverage the core AI platform effectively.
• Build internal tools and shared libraries to automate the deployment and monitoring of complex technical implementations.
• Collaborate with product and engineering leaders to translate customer feedback into scalable, high-impact features for the platform.

The ideal candidate

• Proven track record in a customer-facing engineering role, such as Forward Deployed, Solutions, or Founding Engineer.
• Strong proficiency in full-stack software development and experience managing cloud-based infrastructure at scale.
• Exceptional problem-solving skills with a bias for action and the ability to navigate ambiguous technical 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

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

GTM Engineer

Salary

Not Disclosed

Company Description

Humaans is a $20M Series A London-based startup building AI-powered infrastructure for the workplace, backed by Y Combinator and the founders of Slack, Figma, and Shopify.

Job Description

You will build the automated infrastructure powering Humaans' go-to-market engine, sitting between RevOps, Sales, and Marketing. Instead of manual outreach, you’ll design data pipelines, AI agents, and enrichment workflows using Clay and HubSpot to find and engage customers at scale, replacing rep-dependent processes with high-leverage, non-linear systems.

Location

London, UK

Why this role is remarkable

• Full ownership of the GTM engineering stack, moving beyond standard RevOps reporting to build automated systems that drive real revenue growth.
• Join a $20M Series A team backed by legendary operators including Lachy Groom and the founders of Slack, Figma, and Shopify.
• Incredible career leverage at a high-bar startup redefining HR tech through an AI-native platform that orchestrates workflows across HR, IT, and Finance.

What you will do

• Architect and maintain complex data pipelines and enrichment workflows using Clay to turn raw signals into prioritized, actionable target accounts.
• Own the technical outbound infrastructure, managing cold email deliverability, inbox health, and large-scale personalization through AI agents and custom scripts.
• Partner with GTM leadership to identify manual bottlenecks and ship automated solutions in days, connecting systems via APIs and scripting (Python/JS).

The ideal candidate

• Hands-on experience building with a modern GTM stack, specifically Clay and HubSpot (or Salesforce), and a deep understanding of outbound motion.
• Proficient in SQL and a scripting language like Python or JavaScript to handle API integrations and data manipulation independently.
• A systems thinker with an experimental mindset who uses AI coding tools like Cursor or Claude Code to build and ship production-ready workflows.

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

Full-Stack Engineer

Salary

Not Disclosed

Company Description

Well-funded early-stage AI startup

Job Description

Join a fast-moving founding team as a Full-Stack Engineer building AI tools that streamline workplace collaboration. You will own features end-to-end using TypeScript, React, and Node.js to eliminate coordination overhead for growing companies. This role offers the opportunity to shape product direction and engineering culture while shipping user-facing features to an active, feedback-driven user base.

Location

New York, USA

Why this role is remarkable

• Direct impact on product-market fit by working closely with the founding team and real weekly users.
• High-velocity shipping environment where technical decisions and product instincts directly shape the company’s trajectory.
• Backed by top-tier VCs, offering the stability of strong funding with the creative freedom of an early-stage startup.

What you will do

• Lead the development of end-to-end features from initial specification through deployment and iterative improvement.
• Build and maintain scalable user-facing products using a modern stack including TypeScript, React, Node.js, and PostgreSQL.
• Collaborate with the founding team to translate complex workflow problems into intuitive AI-driven product solutions.

The ideal candidate

• Has 3–5 years of professional software engineering experience with a proven track record of shipping consumer or B2B products.
• Demonstrates a strong "startup appetite," thriving in fast-paced environments where requirements evolve based on user feedback.
• Possesses deep technical proficiency across the full stack, with bonus points for experience in Next.js, GraphQL, or high-growth 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

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.

Title:
Lead Software Engineer (£100,000 - £120,000 + Equity) at Searchland.co.uk - VC-backed PropTech

Job Title

Lead Software Engineer

Salary

£100,000 - £120,000 + Equity

Company Description

Searchland.co.uk - Fuel Ventures backed PropTech SaaS

Job Description

As the most senior hands-on engineer, you will own the technical direction of the UK’s leading property data platform. Reporting to the CTO, you will lead a high-performing squad to scale a system processing terabytes of data. This backend-leaning role balances daily coding in Node.js and PostgreSQL with strategic architectural leadership.

Location

London, UK

Why this role is remarkable

• Direct impact as the senior technical heartbeat of a platform used by 2,000+ industry giants like land agents and major developers.
• Exceptional leadership pedigree, joining a team founded by the former Fanbytes CTO (acquired by Brainlabs) and backed by Fuel Ventures.
• High-ownership environment where you shape both the long-term technical roadmap and the engineering culture of a fast-growing 30-person team.

What you will do

• Provide architectural oversight across the full stack, specifically evolving complex Elasticsearch-driven architectures and heavy PostgreSQL data pipelines.
• Lead multidisciplinary squads and complex technical design discussions, balancing speed, scope, and scale for new feature delivery.
• Mentor senior and mid-level engineers through coaching and design reviews while contributing high-quality code to the React and Node.js codebase daily.

The ideal candidate

• 7+ years of software engineering experience with at least 2-3 years in a Lead, Staff, or Senior-plus leadership capacity.
• Deep technical expertise in the modern JavaScript ecosystem, specifically Node.js, Express, tRPC, React, and advanced PostgreSQL query optimization.
• Proven track record of scaling data-intensive SaaS platforms and leading engineering initiatives within a high-growth startup or scale-up 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

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

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

Senior Software Engineer, Infrastructure

Salary

$160k-$250k + Equity

Company Description

Well-funded AI video platform

Job Description

You will own the GPU inference infrastructure powering real-time AI conversations with sub-second latency. Managing multi-provider GPU deployments and EKS clusters, you'll optimize performance from CUDA hot paths to backend services. This role is critical for scaling a platform that enables seamless human-to-AI interaction across global regions.

Location

San Francisco, USA or Remote

Why this role is remarkable

• Own the core infrastructure for a cutting-edge real-time AI video interface that operates at sub-second latency levels globally.
• Join a well-funded Series B startup backed by top-tier VCs, operating with a small, high-impact team of roughly 40 people.
• Work at the intersection of infrastructure and research, directly influencing how conversational AI humans are deployed and experienced.

What you will do

• Design and manage multi-region GPU deployments across various providers to ensure reliable, high-performance inference.
• Architect EKS clusters including custom routing and scheduling logic to optimize workload placement across a global GPU fleet.
• Collaborate with researchers to optimize CUDA hot paths and reduce cold-start times for live, face-to-face AI conversations.

The ideal candidate

• Possesses hands-on experience deploying and optimizing large-scale GPU inference workloads on cloud providers like CoreWeave or AWS.
• Demonstrates deep expertise in Kubernetes and EKS, specifically regarding complex service routing and cluster management at scale.
• Proven track record of senior technical leadership, taking ownership of ambiguous infrastructure challenges and delivering production-ready solutions.

===

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

Founding Engineer

Salary

Not Disclosed

Company Description

Aspire Project is a pre-seed London startup building an AI-enabled financial planning and career coaching platform for young people, backed by an advisory network of leaders from Barclays, HSBC, and Y Combinator.

Job Description

As Founding Engineer at Aspire Project, you will lead the technical development of a mobile-first AI platform helping young people navigate financial planning. Transitioning from part-time to full-time, you will own the entire stack—React Native, Python, and Supabase—while working directly with the founder to scale a product already endorsed by industry leaders.

Location

London, UK

Why this role is remarkable

• True founding-level ownership with meaningful equity, starting part-time and scaling into a full-time leadership position as the company grows.
• Join a mission-driven startup with high-level industry backing, including endorsements from the former Group CEO of HSBC and recognition from The Times.
• Complete technical autonomy over a live, mobile-first product built on a modern stack including React Native, TypeScript, Python, and Supabase.

What you will do

• Architect and build end-to-end features across the mobile application and backend infrastructure, ensuring a seamless user experience for the next generation.
• Collaborate directly with the founder to define the technical roadmap and make critical architectural decisions that shape the future of the platform.
• Manage the deployment and scaling of the product using Railway and Supabase while maintaining high-quality code and rapid shipping cycles.

The ideal candidate

• Previous experience as a Founding Engineer or Senior Software Engineer at a VC-backed or accelerator-backed startup (e.g., YC, EF, Antler, or Techstars).
• Full-stack proficiency with React Native for mobile development and Python for backend logic, plus experience managing cloud infrastructure and databases.
• A mission-driven builder who thrives in high-autonomy environments and is comfortable transitioning from a part-time founding role to a full-time lead.

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

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

Principal Product Engineer

Salary

Not Disclosed

Company Description

Well-funded healthtech infrastructure startup

Job Description

Lead the technical direction of a growing engineering team at a venture-backed startup modernizing health systems for educational institutions. You will own backend architecture, HIPAA-compliant infrastructure, and critical healthcare integrations. As a foundational hire reporting to the Head of Product, you will balance high-level strategy with hands-on coding to scale the platform.

Location

New York, USA

Why this role is remarkable

• Significant equity stake and foundational influence on the engineering culture and architectural standards of a revenue-generating startup.
• Mission-driven work building critical infrastructure that directly impacts healthcare access for thousands of students nationwide.
• High-autonomy environment where you work directly with the CEO to solve complex RCM and data integration challenges.

What you will do

• Design and scale backend architecture and data layers for products handling sensitive health data and real-time compliance.
• Lead and mentor a distributed team of engineers while remaining hands-on with TypeScript, Node.js, and AWS infrastructure.
• Build and manage deep integrations with clearinghouses, payers, and EHR systems to automate complex medical billing workflows.

The ideal candidate

• 5-10+ years of software engineering experience with a strong background in healthcare technology or revenue cycle management (RCM).
• Proven ability to lead engineering teams and manage complex projects while maintaining a high individual coding output.
• Expert-level proficiency in the modern web stack and a builder’s mindset focused on shipping production-ready code in fast-paced 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

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.

Job Title

Machine Learning Engineer

Salary

Not Disclosed

Company Description

EQUALS is a high-growth music social network with 1 million monthly active users, backed by the top-tier investors behind Spotify, A24, and Facebook.

Job Description

As the first dedicated Machine Learning Engineer at EQUALS, you will own the core recommendation systems that power a platform with 1M MAUs and 40M friendships. You will build and scale end-to-end ranking, retrieval, and safety models, directly shaping how millions discover music and build communities through the world's most universal language.

Location

London, UK

Why this role is remarkable

• Directly impact a music-centric social graph that already sees higher engagement than Instagram and Snapchat among its 1 million monthly active users.
• Join an elite team of creatives and technologists from Nike, Instagram, and Apple, backed by the legendary investors behind Spotify, Facebook, and A24.
• Take total ownership of the full ML lifecycle—from data pipelines and candidate generation to production serving—without the constraints of a separate platform team.

What you will do

• Design and ship end-to-end ranking and retrieval models for content feeds, balancing engagement, discovery, and growth for artists and superfans.
• Build sophisticated people recommendation systems using social graph modeling and affinity analysis to spark millions of new friendships and connections.
• Develop and scale ML-driven trust and safety systems, including content classification and abuse detection, to protect a rapidly expanding global community.

The ideal candidate

• Proven experience shipping recommendation, ranking, or search systems at scale within a high-growth consumer social or music streaming environment.
• Deep technical proficiency in Python and the modern ML stack, with the ability to build and maintain your own data and serving infrastructure.
• A pragmatic, shipping-focused mindset that prioritizes iterative improvement and rigorous A/B testing over theoretical polishing in a vacuum.

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

Executive Assistant & PA to Founder & Creator

Salary

Not Disclosed

Company Description

Trust Fund is an early-stage venture fund backing tech-enabled tools, led by a founder who built a $100M+ e-commerce business and produced a Netflix show. The fund supports over 45 startups and is backed by prominent tech investors like Marc Andreessen, Chris Dixon, and David Sacks.

Job Description

You will act as the right hand to a high-profile founder, managing a blend of venture capital admin, brand partnerships, and content coordination from a North London home office. This hands-on role requires balancing professional priorities with personal logistics and lifestyle support to keep a fast-moving career running smoothly.

Location

London, UK

Why this role is remarkable

• Work directly with a multi-hyphenate founder who has built a $100M+ company, written a NYT bestseller, and produced a Netflix original series.
• Gain unparalleled exposure to the venture capital and creator ecosystem, supporting a portfolio of 45+ startups backed by legends like Marc Andreessen and David Sacks.
• Enjoy a high-trust, varied role where you manage everything from content production logistics to high-level investor relations in a dynamic, high-growth environment.

What you will do

• Manage complex scheduling and proactive follow-ups across venture investing, brand partnerships, and social media content calendars.
• Coordinate production logistics, deck preparation, and brand partnership approvals while maintaining tight timelines for diverse creative projects.
• Handle essential personal administration and practical logistics, including errands and dog-related tasks, to ensure the founder’s daily operations remain seamless.

The ideal candidate

• Proven experience as an EA or PA working directly for a high-net-worth individual, entrepreneur, or public figure rather than a corporate pool.
• Digitally fluent in G Suite and modern tools, with a preference for those comfortable using Canva and AI tools like ChatGPT or Claude.
• Highly discreet and resourceful professional who is comfortable working in a home office environment and managing both professional and personal tasks.

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's Associate

Salary

Not Disclosed + Equity

Company Description

LightWork AI is a London-based property tech startup building an AI-powered operating system for the £33B property management industry. Backed by elite founders and advisors from Revolut and Entrepreneur First, they develop "Felicity," an intelligent assistant automating up to 90% of operational workflows for property managers and letting agents.

Job Description

As a Founder's Associate at LightWork AI, you will operate as a junior co-founder, working directly with the leadership team on mission-critical initiatives. You'll drive fundraising, commercial strategy, financial modeling, and operational projects. This is a high-agency role designed for top-tier professionals ready to build a category-defining AI unicorn from the ground up.

Location

London, UK

Why this role is remarkable

• Work directly with founders from Cambridge and Cevian Capital, gaining front-row exposure to fundraising, board meetings, and high-level commercial strategy.
• Join a high-growth startup tackling a massive £33B market with AI automation already delivering 80–90% efficiency gains for pilot customers.
• Receive meaningful equity in a company backed by industry heavyweights, including alumni from Revolut and Entrepreneur First, aiming to build a unicorn.

What you will do

• Build and own sophisticated financial models for pricing, ROI analysis, and fundraising, serving as the quantitative backbone for major company decisions.
• Support end-to-end investor relations, including preparing data rooms, drafting board memos, and managing communications with top-tier VC firms.
• Drive commercial operations by tracking client pipelines, coordinating contracts, and identifying opportunities to systematize the business for rapid scaling.

The ideal candidate

• Has 1–4 years of experience at a top-tier strategy consultancy (MBB), bulge bracket investment bank, VC firm, or high-growth startup.
• Possesses exceptional analytical skills with the ability to build investor-ready financial forecasts and complex ROI models from scratch.
• Demonstrates high agency and a relentless drive to solve ambiguous problems without waiting for instructions in a fast-paced, on-site Victoria office 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 Commercial Associate

Salary

$80k-$100k + Equity

Company Description

Lounge is a seed-stage edtech platform building the world's best student engagement product, currently serving over 300,000 students across 200+ university campuses. The platform centralizes campus life by managing everything from ticketing and student organizations to communications and attendance, helping universities drive meaningful engagement and streamline administrative workflows.

Job Description

As the first commercial hire at Lounge, you will partner directly with the CEO to build our repeatable sales motion from scratch. You’ll manage the full customer lifecycle, from outbound prospecting and running demos for university administrators to closing deals and ensuring long-term success. This role is perfect for a proactive builder eager to scale a high-growth startup.

Location

New York, USA

Why this role is remarkable

• Work directly with the founder/CEO as the company's first dedicated commercial hire, offering unparalleled exposure to startup growth and strategy.
• Join a seed-stage company with significant existing traction, already operating at scale with 300K+ students and 200+ campuses globally.
• Transition from a hands-on contributor to a key architect of the company’s commercial playbook, influencing product roadmap and messaging through direct market feedback.

What you will do

• Execute full-cycle sales including targeted prospecting, outbound outreach across multiple channels, and booking qualified meetings with university decision-makers.
• Lead product demonstrations and discovery calls to articulate the value of Lounge, while managing complex procurement and contract negotiations to close deals.
• Own the post-sale relationship by onboarding new university partners and identifying opportunities for renewal or expansion to ensure long-term customer success.

The ideal candidate

• Possesses a highly resilient and commercially minded attitude with a strong interest in building a company’s commercial engine from the ground up.
• Demonstrates exceptional organizational skills, capable of managing high-volume outbound campaigns alongside multiple ongoing prospect and customer conversations simultaneously.
• Communicates effectively with the ability to learn complex product features quickly and explain them simply to university administrators and student affairs 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

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

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

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

Product & Data Engineer

Salary

£50,000 – £90,000 + Equity

Company Description

BlakBear is an Imperial College London spin-out building advanced gas sensors and AI that predict food freshness in real-time, replacing archaic use-by dates across the supply chain.

Job Description

You will own the back-end infrastructure and data strategy for a mission-driven startup tackling global food waste. Working directly with the founders, you will build scalable GCP pipelines, design high-performance APIs, and develop full-stack solutions. Your work directly impacts how the world monitors food quality across global supply chains.

Location

London, UK

Why this role is remarkable

• Join a high-impact mission to eliminate 1/3 of global food waste by replacing archaic printed expiry dates with real-time sensor intelligence.
• Work in a high-caliber environment as an Imperial College London spin-out that is already signing enterprise contracts across Europe and North America.
• Enjoy significant growth potential and ownership in a seed-stage team of under 20 people, directly influencing the product’s technical evolution.

What you will do

• Design and maintain scalable ETL pipelines and GCP cloud infrastructure to process real-time sensor data and AI predictions.
• Build and iterate on robust APIs using Python and FastAPI, managing the full product lifecycle from design to operation.
• Collaborate with the CEO and CTO to implement agentic AI tools and full-stack features that enhance the core freshness-prediction platform.

The ideal candidate

• Has 2–8 years of experience in software or data engineering with a strong mastery of Python for production-grade services.
• Possesses a proven track record of building and shipping full-stack applications and maintaining automated CI/CD pipelines.
• Exhibits deep curiosity and a desire to solve hard problems, ideally with experience in startup environments or hands-on LLM agent frameworks.

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

Tribal Bio is a tier-1 VC-backed startup building the AI-native infrastructure layer for biotech. Having raised $1M and currently closing a $1.5M pre-seed round with San Francisco investors, Tribal Bio helps pharma teams accelerate drug discovery through agentic AI systems, clinical intelligence, and advanced regulatory workflows.

Job Description

As a Founding Engineer at Tribal Bio, you will work directly with the founders to build the technical foundation of an ambitious biotech infrastructure platform. You'll architect agentic AI workflows, manage complex biomedical data, and ship production-grade software that solves real-world drug discovery challenges. This high-impact role offers significant ownership and a clear path toward technical leadership.

Location

London, UK

Why this role is remarkable

• Join as an early employee at a tier-1 VC-backed startup closing a $1.5M pre-seed round with top-tier SF investors.
• Directly impact the drug discovery process by building AI systems for one of the world's most critical industries.
• Benefit from significant equity upside and a direct path to technical leadership or CTO-track roles as the company scales.

What you will do

• Design and implement agentic AI workflows for drug discovery, clinical asset evaluation, and complex regulatory use cases.
• Build robust backend systems and data infrastructure to handle fragmented biomedical, scientific, and clinical information.
• Collaborate directly with founders and customers to prototype, iterate, and ship production-ready LLM-powered tools.

The ideal candidate

• Exceptional hands-on builder with 0-5 years of experience shipping production software in high-ambiguity startup environments.
• Strong technical generalist proficient in full-stack or backend engineering with a focus on LLMs, agents, or AI workflows.
• High-agency individual who thrives on intensity, moves fast across the stack, and communicates clearly with founders and customers.

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 Product Engineer

Salary

£135k-£170k + Equity

Company Description

$116M Series B AI-native CRM startup backed by GV and Redpoint

Job Description

You will solve the most complex technical challenges for a next-generation CRM built for the AI era. As a Staff Product Engineer, you will drive technical strategy across teams, designing robust cloud-native systems while mentoring high-caliber talent. You’ll balance technical excellence with business delivery to build a tool that empowers ambitious global GTM teams.

Location

Remote, UK

Why this role is remarkable

• Work at the frontier of AI-native architecture with a high-performance team backed by world-class investors like GV, Redpoint, and Balderton.
• Take a high-impact leadership role where you influence the fundamental infrastructure and technical standards of a platform disrupting the CRM market.
• Enjoy a craft-focused culture that prioritizes deep technical rigor, exceptional user experience, and frequent international team off-sites to locations like Barcelona and Lisbon.

What you will do

• Provide technical leadership for critical infrastructure, ensuring the platform remains reliable, scalable, and secure as the user base grows.
• Mentor and coach a world-class engineering team, fostering a growth mindset and raising the bar for software operations in the age of AI.
• Collaborate across the organization to make strategic trade-offs between rapid delivery and architectural perfection, optimizing for customer value and business growth.

The ideal candidate

• Demonstrates first-class technical execution in distributed, cloud-native systems with a proven ability to think in complex systems rather than just code.
• Possesses a track record of technical leadership, having successfully broken down large, ambiguous problems into executable goals for other engineers to own.
• Maintains a product-first mindset with strong opinions on UX, using data and customer insights to build features that are uniquely valuable to 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

Staff Software Engineer (Early Product)

Salary

Not Disclosed

Company Description

Atomus is a San Francisco-based cybersecurity startup protecting 100+ organizations in the defense industrial base, including the US Air Force, Space Force, and Navy, by automating complex security and compliance requirements for national security technology.

Job Description

As a Staff Software Engineer at Atomus, you will build the core engines of a multi-platform security ecosystem protecting the nation's most sensitive defense technologies. You will bridge the gap between desktop agents and cloud infrastructure while shaping the engineering foundations of a high-stakes, mission-driven startup during its most critical growth phase.

Location

San Francisco, USA

Why this role is remarkable

• Join a mission-critical team protecting the organizations building hypersonic aircraft, satellites, and autonomous defense platforms essential to national security.
• Work on a product with massive traction, already securing 100+ customers including the US Air Force and Navy, while still operating as a small, high-impact founding team.
• Tackle unique engineering challenges across Windows, macOS, and Ubuntu while developing next-generation agentic systems that automate complex security reasoning.

What you will do

• Architect and build the core infrastructure that senses, correlates, and acts across diverse customer security environments to ensure total protection.
• Develop and harden a multi-platform desktop agent at fleet scale, ensuring it remains unbreakable across Windows, macOS, and Linux distributions.
• Collaborate directly with founders to define engineering patterns, shipping culture, and product strategy as the team scales from early stage to industry leader.

The ideal candidate

• 7+ years of experience building production-grade software, specifically customer-facing SaaS platforms or sophisticated multi-platform desktop applications and agents.
• Expertise in diving deep into system behavior and low-level interactions to understand why software behaves the way it does across different environments.
• A fast-moving, ownership-oriented mindset that thrives on ambiguity and the challenge of building foundational systems from a blank page.

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

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

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

Hardware Engineering Lead

Salary

£100k + Equity

Company Description

AUAR is a Series A physical AI and robotics company backed by Planet A Ventures that is automating homebuilding. Based in a massive 11,000 sq ft London R&D facility, they deploy robotic MicroFactories to produce timber home structures on-site, revolutionizing construction through their proprietary MasterBuilder software and advanced industrial automation.

Job Description

As Hardware Engineering Lead, you will own the mechanical design and delivery of AUAR’s robotic MicroFactory. Working at the systems level, you’ll lead a team to evolve these machines from prototypes to robust, scalable production systems. You’ll design complex mechanisms, integrate industrial robots, and ensure reliable performance on real-world construction sites.

Location

London, UK

Why this role is remarkable

• You will design the very machines that build homes, tackling the global housing crisis by making construction faster, more affordable, and carbon-negative.
• AUAR is a high-growth Series A startup backed by Planet A Ventures, operating from a state-of-the-art 11,000 sq ft demonstration facility in London E17.
• This is a rare opportunity to lead hardware at the intersection of physical AI and robotics, seeing your designs move from CAD to real-world deployment.

What you will do

• Own the end-to-end mechanical design and product maturity of the MicroFactory, including complex mechanisms, end effectors, and production-grade tooling.
• Integrate industrial robots into reliable production systems, managing critical trade-offs between mechanical, electrical, pneumatic, and safety domains across the whole machine.
• Lead and mentor a hardware team while remaining hands-on in the workshop, driving CAD management practices and raising the standard for engineering execution.

The ideal candidate

• You have substantial experience designing complex automated machines and taking them from concept to high-volume working hardware in production environments.
• You possess deep expertise in mechanical design, including structures and actuated systems, with a strong understanding of how to design for real-world material tolerances.
• You are a systems thinker with a background in industrial automation or robotics who thrives in high-autonomy environments and stays close to the physical hardware.

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

Company Description

Tavus is a $66M Series B AI company backed by Sequoia, CRV, Scale, and YC, building real-time video avatars that allow users to clone themselves and speak any language at scale.

Job Description

You will own the end-to-end revenue plumbing for Tavus's AI platform, managing usage-based billing across Stripe, Orb, and Apple IAP. This high-autonomy role involves building Pricing V2, automation for coupons and credits, and scaling distributed systems to ensure event durability and idempotency as the company expands globally into new markets.

Location

San Francisco, USA

Why this role is remarkable

• Own the mission-critical revenue domain at a fast-growing, ~40-person startup where AI is the core product, not just a marketing hook.
• Join a well-funded Series B company backed by top-tier investors like Sequoia and CRV, offering the stability of capital with the impact of an early team.
• Solve complex distributed-systems challenges where "close enough" isn't an option, moving from manual workarounds to sophisticated, automated billing infrastructure at scale.

What you will do

• Architect and lead the transition to "Pricing V2," implementing usage-metering pipelines, concurrency holds, and automated provisioning for enterprise clients.
• Build robust infrastructure for coupon and credit lifecycles, enabling the growth team to launch self-serve promotions without direct engineering intervention.
• Ensure financial correctness across parallel payment providers (Orb, Stripe, Apple IAP) by developing idempotent webhook processing and reconciliation pipelines to prevent revenue loss.

The ideal candidate

• Proven experience building or owning usage-based billing systems, ideally with deep expertise in Stripe and exposure to Orb or Apple IAP.
• Strong proficiency in TypeScript and NestJS for backend services, with the ability to manage AWS data plumbing including Lambda, DynamoDB, and CDK.
• Deep understanding of distributed systems principles, including event durability, reconciliation, and exactly-once processing, specifically within a payments or fintech context.

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

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

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

Software Engineering Lead

Salary

£100k + Equity

Company Description

AUAR is a London-based robotics and Physical AI company automating homebuilding through the deployment of robotic MicroFactories that produce timber structures on-demand.

Job Description

Lead a specialized software team at AUAR to develop MasterBuilder, the platform orchestrating robotic home construction. You will bridge the gap between digital design and physical manufacturing, shipping code that drives real-world production. This hands-on leadership role involves shaping foundational architecture, managing delivery milestones, and scaling systems to manage global MicroFactory deployments.

Location

London, UK

Why this role is remarkable

• Code with physical impact: Your work directly controls robotic arms and MicroFactories, turning digital designs into physical homes rather than just rendering data.
• Mission-driven innovation: Help solve the global housing crisis by making homebuilding faster, more sustainable, and affordable through cutting-edge Physical AI and automation.
• Inclusive leadership at scale: Join a diverse team where 50% of technical leadership are women, working from a massive 11,000 sq ft R&D facility in London.

What you will do

• Lead and mentor a high-performing team of engineers, owning the development plan, execution, and technical roadmap for the MasterBuilder platform.
• Stay hands-on by delivering high-quality full-stack code and conducting substantive reviews to ensure architectural integrity across robotics and web environments.
• Collaborate directly with the CTO to scale systems from managing a single MicroFactory to orchestrating fifty units across diverse international construction sites.

The ideal candidate

• Proven experience leading engineering delivery and ownership for small teams within a fast-paced startup or high-growth technology environment.
• Deep technical expertise in modern full-stack development, specifically Node.js, TypeScript, React, and Three.js, with exposure to robotics or hardware control.
• Strategic thinker comfortable working 4+ days per week on-site in London, with a passion for physical AI and real-world engineering 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

Member of Technical Staff

Salary

Not Disclosed

Company Description

Crucibl.ai is a profitable, San Francisco-based startup that raised a $10M seed from Khosla Ventures, Bessemer, and Coatue to build an AI-native consulting platform. Led by former Google and BCG veterans, they are replacing traditional management consulting with software that handles complex reasoning and data analysis for Fortune 500 clients.

Job Description

As a Member of Technical Staff, you will architect and build Crucibl.ai's core intelligence engine end-to-end. You'll design sophisticated reasoning pipelines and data ingestion systems that transform messy enterprise data into defensible insights. Working directly with the founders, you will define the engineering standards for a high-growth, AI-first platform serving global leaders today.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite team of ~15 people led by a CTO who scaled Google-level systems and a CEO with deep BCG and private equity expertise.
• Experience true seed-stage impact at a profitable company backed by Tier 1 investors like Khosla Ventures, Bessemer, and Coatue.
• Build at the frontier of AI where you move beyond simple models to creating complex reasoning engines that automate high-stakes business decisions.

What you will do

• Design and implement the core intelligence engine, encompassing model orchestration, data ingestion, and reasoning pipelines from the ground up.
• Collaborate directly with the CTO and CEO to translate product vision into scalable, enterprise-grade architecture for Fortune 500 clients.
• Ship high-impact features across the full stack, ensuring the platform remains robust, evolvable, and capable of handling complex enterprise data.

The ideal candidate

• Possesses an undeniable signal of technical excellence, such as early engineering experience at a successful startup or notable contributions to open-source systems.
• Demonstrates deep proficiency in modern software stacks and has a proven track record of shipping end-to-end products, not just isolated features.
• Thrives in high-ambiguity environments and thinks like an owner, bringing strong instincts for both AI/ML pipelines and enterprise infrastructure.

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

Full-Stack Engineer

Salary

£75k-£110k + Equity

Company Description

Letty is a high-growth London startup, backed by Entrepreneurs First and top-tier VCs, building the definitive AI agent layer for the $1T+ real estate industry by replacing manual workflows with autonomous AI employees.

Job Description

As a Full-Stack Engineer at Letty, you will build autonomous AI employees replacing manual workflows in real estate. Working at YC-stage intensity in Hoxton, you will own the entire stack from LLM orchestration to frontend. This is a high-stakes role for engineers who thrive on speed, shipping daily, and solving complex architectural challenges.

Location

London, UK

Why this role is remarkable

• Ownership of a massive $1T+ market transformation by building the definitive AI agent layer for real estate.
• Backed by elite investors including Entrepreneurs First and top-tier VCs, with active traction in the UK and US.
• Unparalleled equity upside and the chance to shape the culture of a high-intensity, mission-driven founding team.

What you will do

• Architect and build end-to-end systems including Python/FastAPI backends, LLM orchestration pipelines, and telephony infrastructure for real-time voice calls.
• Ship user-facing features using Next.js and TypeScript, taking products from initial concept to production in days rather than months.
• Own the full engineering lifecycle, from database modeling in PostgreSQL to managing production deployments and observability on GCP or AWS.

The ideal candidate

• Expert proficiency in Python and TypeScript with a track record of building complex, production-grade systems from zero to one.
• Experience with LLM orchestration, RAG pipelines, or event-driven services, demonstrating a maker mindset rather than just feature-building.
• Thrives in a high-intensity startup environment, prioritizing rapid output and system ownership over a traditional 9-to-5 schedule.

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 Full Stack Engineer

Salary

Not Disclosed

Company Description

NELP is a fast-growing healthtech company building the system of record for nursing excellence across the country's largest health systems. By replacing manual spreadsheets with a unified platform for ANCC designations and clinical ladders, NELP empowers nursing leaders to improve patient outcomes and measurably increase nurse retention.

Job Description

As the Founding Full Stack Engineer at NELP, you will own the entire technical stack and shape a product that directly impacts patient safety and nurse retention. You’ll build enterprise-grade infrastructure, AI-driven workflows, and complex data models for large health systems, turning firsthand customer feedback into production features within days.

Location

San Francisco, USA

Why this role is remarkable

• You will be the first engineering hire, owning the entire technical stack from day one and shaping the engineering culture of a mission-driven startup.
• NELP is already deployed across major US health systems, solving a deep problem in a massive, underserved market where your work translates to saved lives.
• You’ll work directly with the CEO and receive meaningful founding-team equity while building a sophisticated platform that includes AI-powered evidence organization and enterprise integrations.

What you will do

• Own the end-to-end architecture and implementation of production features across four integrated products using TypeScript, React, and Next.js.
• Design and scale complex data models for multi-hospital organizational structures and implement robust enterprise infrastructure including SSO/SAML and HRIS integrations.
• Collaborate directly with health system leaders to translate their needs into AI-enhanced workflows for document retrieval and clinical evidence organization.

The ideal candidate

• Proven full-stack expertise in production environments using React and Next.js, with a strong ability to build workflow-heavy, multi-tenant SaaS applications.
• Experience as an early engineer at a high-growth startup, comfortable navigating ambiguity and owning both high-level architecture and granular code implementation.
• Excellent communicator who can work alongside non-technical domain experts and demonstrates a deep passion for improving healthcare through high-quality 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

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

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:
Applied AI Engineer at Innovative AI simulation startup

Job Title

Applied AI Engineer

Salary

Not Disclosed

Company Description

Innovative AI simulation startup

Job Description

Join a pioneering team at the forefront of AI world generation, building large-scale systems for real-time 3D environment and game creation. You'll work on distributed multi-agent orchestration, data-efficient training, and inference optimization, enabling new frontiers in interactive experiences. This role offers the chance to own core generation and simulation stacks, impacting how engaging virtual worlds are made and monetized.

Location

San Francisco, USA

Why this role is remarkable

• Work at the intersection of applied AI and large-scale systems for world generation.
• Backed by top-tier VCs, driving innovation in the rapidly evolving AI and gaming sectors.
• Opportunity to own significant parts of the core generation and simulation stack, shaping the future of interactive content.

What you will do

• Develop and optimize world generation pipelines, focusing on data-efficient training and inference.
• Design and implement distributed multi-agent orchestration systems for coordinated world synthesis.
• Build reinforcement learning pipelines and agentic reasoning frameworks for adaptive game generation and emergent behavior.

The ideal candidate

• Possesses strong software fundamentals and can navigate between production systems and research.
• Has experience building or training large multimodal or agentic AI systems.
• Familiar with distributed training, data curation, or large-scale vision/3D pipelines.

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

Product Engineer

Salary

£75k-£100k + Equity

Company Description

Gaia.family is a Series B fertility fintech backed by Atomico and Valar Ventures that is building the financial and technological infrastructure to make IVF accessible to everyone.

Job Description

You will architect the "Gaia Orchestrator," a mission-critical framework automating care navigation, financing, and risk tracking for the $20bn fertility market. As an AI-native engineer, you'll leverage LLMs to build autonomous operations layers and real-time underwriting engines, directly enabling families to afford life-changing treatments through innovative fintech and healthcare solutions.

Location

London, UK

Why this role is remarkable

• Build meaningful infrastructure that directly helps families afford IVF, turning a $50k upfront bill into an accessible financial plan.
• Join a Series B startup backed by world-class investors like Atomico and Valar Ventures, operating in a high-growth $20bn market.
• Work in a truly AI-native environment where tools like Claude Code and Cursor are core to the engineering workflow, not just side projects.

What you will do

• Architect the Gaia Orchestrator to automate complex workflows between patients, clinics, lenders, and insurers using state machines and deep integrations.
• Build and extend an AI-native operations layer using LLM-powered agents to handle compliance, member workflows, and internal risk tracking.
• Develop a real-time underwriting engine and predictive modeling pipelines to assess clinical and financial data for outcome-based pricing.

The ideal candidate

• 5+ years of full-stack experience in startup environments, with strong proficiency in Python (Frappe) and TypeScript (React/Next.js).
• AI-native mindset with proven experience integrating LLM APIs and using AI tools like Cursor or Codex as a core part of your daily workflow.
• Experience building in highly regulated or complex domains such as fintech or healthcare, with an understanding of HIPAA and SOC 2 constraints.

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

Technical Growth Marketer

Salary

Not Disclosed

Company Description

Series B generative AI platform

Job Description

Join a high-growth AI startup in San Francisco as a hybrid growth marketer and technologist. You will bridge the gap between creative strategy and technical execution, building automated systems and rapid prototypes to scale user acquisition. If you thrive on shipping experiments daily using AI and no-code tools, this role is for you.

Location

San Francisco, USA

Why this role is remarkable

• Combine marketing creativity with rapid technical prototyping in a high-impact, fast-paced environment.
• Backed by top-tier venture capital firms and positioned at the forefront of the generative AI revolution.
• Full ownership of the growth stack, with the freedom to build and ship experiments in real-time.

What you will do

• Design and deploy automated marketing workflows using no-code platforms and custom scripts to accelerate growth.
• Develop rapid MVP experiments to test new acquisition channels and optimize lifecycle engagement strategies.
• Integrate LLMs and internal tools to create highly personalized outreach and lead enrichment infrastructure.

The ideal candidate

• Proven ability to ship technical projects quickly using tools like Zapier, Make, n8n, or Python.
• Strong background in data-driven growth marketing with a focus on rapid experimentation and distribution.
• Self-starter mindset with the ability to act as a technical multiplier across the entire go-to-market 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

Product Engineer

Salary

£80k - £130k + Equity

Company Description

Allied is a 2024-founded defence technology company backed by 1991 VC and Notion Capital. They are building AlliedOS, an AI-native operating system and marketplace designed to modernize Europe's defence industrial base by linking frontline needs directly to factory production in a single, intelligent platform.

Job Description

Join Allied as a full-stack Product Engineer building AlliedOS, the "Anduril meets Amazon" of European defence. You will own features end-to-end, from a homegrown manufacturing execution system to a procurement marketplace. Working in a flat hierarchy, you'll utilize an AI-native stack to deliver mission-critical tools for government and military partners.

Location

London, UK

Why this role is remarkable

• Work on a global mission to strengthen Western democracies by fixing the slow, centralized defence industrial base with AI-native technology.
• Join a high-calibre "circle of peers" founded by a former Royal Marines officer, offering extreme autonomy and a hierarchy-free environment.
• Backed by specialist investors 1991 VC and Notion Capital, tackling a massive market with a product-led approach to defence procurement.

What you will do

• Own and ship features end-to-end across web and mobile, contributing directly to the development of the AlliedOS platform and MES.
• Iterate rapidly with real users and commercial teams to transform complex defence procurement needs into intuitive, intelligent software solutions.
• Influence the technical architecture and product roadmap of a scaling startup, moving from concept to production in weeks rather than years.

The ideal candidate

• You have 5-8 years of full-stack experience shipping high-quality products in fast-paced environments, with a strong product instinct.
• You are highly proficient with modern web technologies, specifically TypeScript and React, and are comfortable working across the entire stack.
• You leverage AI tools like Cursor or Copilot daily and have experience or a strong interest in building AI-powered features and 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

Senior Full-Stack Engineer

Salary

$170K–$220K + Equity

Company Description

Well-funded healthtech AI startup

Job Description

As a Senior Full-Stack Engineer, you will own the development lifecycle of an AI-native platform addressing the national care crisis. Partnering with clinical and operations teams, you will build critical tools that empower family caregivers. This is a high-impact build role focused on shipping TypeScript and Python features for a mission-driven healthcare solution.

Location

San Francisco, USA

Why this role is remarkable

• Join a mission-driven team solving a massive care crisis by providing tools and financial support to millions of unpaid family caregivers.
• Backed by top-tier VCs, this startup is scaling rapidly across the country after delivering millions of hours of care and significantly reducing hospitalizations.
• Work alongside a high-caliber team from leading tech companies like Uber and Meta in a fast-moving, high-ownership engineering environment.

What you will do

• Own full-stack feature development from concept to delivery across web and API surfaces using TypeScript, Python, and React.
• Collaborate with clinical, compliance, and product teams to design and implement real-world technology solutions for the healthcare system.
• Shape the early product direction and technical architecture on AWS as a key member of a growing engineering organization.

The ideal candidate

• Professional software engineering experience of 5+ years with a strong production background in both TypeScript and Python.
• Proven ability to own features end-to-end in a startup environment, demonstrating comfort with ambiguity and a product ownership mindset.
• Experience building and architecting cloud-native applications on AWS, ideally with familiarity in healthcare or AI/ML product 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

Founding Engineer

Salary

Not Disclosed

Company Description

Fast-growing AI infrastructure startup

Job Description

As a Founding Engineer, you will own the technical core of an innovative AI infrastructure platform. You will build sophisticated pricing intelligence, demand forecasting, and inventory optimization models from the ground up. Working directly with the CTO, you will design the architecture, manage data pipelines, and ship critical products that solve complex customer challenges.

Location

San Francisco, USA

Why this role is remarkable

• Shape the technical foundation and product direction as one of the first engineering hires.
• Join a well-funded team backed by top-tier VCs in the heart of the AI ecosystem.
• Solve high-impact problems using advanced machine learning and real-time data processing at scale.

What you will do

• Design and implement end-to-end AI infrastructure for pricing and demand forecasting.
• Own the architecture and scaling of robust data pipelines and model deployment workflows.
• Collaborate closely with the CTO and early customers to iterate on product features.

The ideal candidate

• Proven experience building and scaling production-grade AI or machine learning systems.
• Strong architectural intuition with the ability to build and own complex data pipelines.
• Entrepreneurial mindset with a desire to work in a fast-paced, high-ownership 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.

Title:
Senior Staff Platform Engineer (Up to £200k + Equity) at VC-backed compute infrastructure startup

Job Title

Senior Staff Platform Engineer

Salary

Up to £200k + Equity

Company Description

VC-backed compute infrastructure startup

Job Description

As a founding-level hire, you will architect financial-grade infrastructure for the global GPU market. You will bridge the gap between high-performance compute and capital markets, building systems for real-time pricing, automated settlement, and cross-cloud orchestration. This role offers the unique opportunity to define the technical foundation for a new asset class.

Location

London, UK

Why this role is remarkable

• Lead the architectural design of a first-of-its-kind trading platform for GPU compute, working directly with founders from elite quantitative and engineering backgrounds.
• Join a well-funded startup backed by top-tier VCs at the intersection of AI infrastructure and sophisticated financial instruments.
• High-impact founding role with significant equity and the mandate to build and lead a world-class platform engineering team from scratch.

What you will do

• Architect and build robust services for dynamic pricing, on-demand billing, and high-reliability cash settlement systems.
• Design and implement complex inventory management logic and orchestration for GPU instances across multiple cloud providers.
• Own the end-to-end security, scalability, and reliability of core infrastructure to meet financial-grade performance guarantees.

The ideal candidate

• 8+ years of software engineering experience with a deep background in distributed systems, cloud infrastructure, or high-scale billing rails.
• Proven track record of building production-grade systems in fintech, payments, or low-latency trading environments.
• Expert-level proficiency in backend languages like Go, Rust, or C++ and experience mentoring high-performing engineering 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

Cloud Engineer

Salary

Not Disclosed

Company Description

Prior Labs GmbH is an AI research and engineering organization focused on building and scaling foundation models that define the next generation of machine intelligence.

Job Description

As a Cloud Engineer at Prior Labs GmbH, you will architect the core infrastructure powering next-generation foundation models. You’ll design scalable backend systems, manage cloud-native deployments, and establish MLOps best practices. Working alongside world-class researchers, you'll bridge the gap between cutting-edge AI research and reliable, production-grade systems in a high-impact environment.

Location

Berlin, Germany

Why this role is remarkable

• You will have complete ownership over the architectural decisions and engineering best practices for serving state-of-the-art AI foundation models.
• This is a rare opportunity to build the backbone of an AI company from the ground up, working directly with top-tier AI researchers.
• The role offers significant autonomy and a clear path toward technical leadership or specialization in ML infrastructure as the team expands.

What you will do

• Design and implement robust, secure backend systems and production-grade APIs for serving and fine-tuning core foundation models.
• Manage core cloud infrastructure using Terraform for Infrastructure as Code (IaC), focusing on reliability, observability, and cost-efficiency.
• Implement secure, GDPR-compliant data storage and access controls while driving high standards for CI/CD and automated testing.

The ideal candidate

• Has 3+ years of professional experience in cloud engineering, SRE, or data platform roles with a track record of managing production infrastructure.
• Demonstrates proficiency in Python and hands-on experience with containerization and orchestration technologies like Docker and Kubernetes.
• Possesses a strong understanding of data modeling and processing, ideally with experience in MLOps or data warehousing platforms like Snowflake.

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

Account Manager (Retention)

Salary

£45k-£55k + Equity

Company Description

Series B global retail marketplace

Job Description

You will own a high-growth portfolio of business customers, driving monthly retention and wallet share expansion. As a core member of the commercial team, you will build AI-enabled workflows to scale account management and bridge the gap between traditional offline supply chains and a modern digital marketplace platform.

Location

London, UK

Why this role is remarkable

• Lead the digital transformation of a massive, traditionally offline global supply chain through an AI-native marketplace.
• Join a well-funded Series B startup backed by world-leading venture capital firms during a hyper-growth phase.
• High-impact autonomy to build your own AI-powered playbooks rather than just following established processes.

What you will do

• Manage a diverse portfolio of business customers, driving 10-20% monthly growth in retention and wallet share.
• Implement AI-first engagement strategies to scale personalized communication and identify high-value opportunities within your book.
• Act as the voice of the customer, partnering with product teams to solve operational pain points and improve platform experience.

The ideal candidate

• 2+ years of experience in account management or commercial roles, specifically working with SMBs or retail entrepreneurs.
• Demonstrated AI-first mindset with experience building automated workflows or implementing AI tools to improve efficiency.
• Resilient, self-motivated builder who thrives in ambiguous environments and takes absolute ownership of performance metrics.

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

£100k–£140k + Equity

Company Description

Fleek is a ~$50M Series B startup backed by a16z and Y Combinator, building the AI-native infrastructure for the $350B global secondhand fashion market.

Job Description

You will join the Growth squad to own the core ecommerce journey, building backend systems for discovery, payments, and seller tools. Reporting to the CTO, you'll integrate the proprietary FleekSort AI classification engine into a marketplace handling millions of items. This role is about digitizing a broken, manual supply chain at global scale.

Location

London, UK

Why this role is remarkable

• Work on a genuinely novel technical challenge by integrating FleekSort, a custom AI model (not a GPT wrapper) that digitizes opaque secondhand inventory.
• Join a hyper-growth company tripling year-on-year with ~$50M in funding from top-tier investors like a16z, Y Combinator, and HV Capital.
• Deliver massive environmental impact by building systems that have already saved 9 million items from landfills and are scaling to serve thousands of global retailers.

What you will do

• Architect and own the end-to-end ecommerce journey, including item discovery, search, multi-currency payment systems, and credit infrastructure.
• Design and scale backend services to handle over 1 million unique items per month, connecting AI grading engines to real-time marketplace workflows.
• Collaborate in a senior product squad to translate complex international logistics and supply chain challenges into reliable, high-performance software.

The ideal candidate

• Has 6-10 years of professional backend experience, ideally using Node.js and TypeScript, with a proven track record of shipping high-traffic production systems.
• Possesses a product engineering mindset from a consumer-facing marketplace or fintech background, focusing on commercial outcomes rather than just infrastructure.
• Thrives in early-stage, fast-paced environments (Seed to Series B) and utilizes AI tools like Cursor or Copilot as a force multiplier in their workflow.

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

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

Founding Engineer

Salary

Not Disclosed

Company Description

Forgepoint is an a16z-backed startup building AI agents to automate the $3 trillion American manufacturing back office, replacing manual spreadsheets and PDFs with intelligent automation.

Job Description

As a Founding Engineer at Forgepoint, you will build the digital backbone of American manufacturing. You’ll ship core AI features, integrate with legacy ERP systems, and architect scalable TypeScript systems. Working directly with the CEO and CTO, you will visit shop floors and own the product lifecycle from 0 to 1.

Location

New York City, USA

Why this role is remarkable

• Join a world-class founding team led by the former Head of Engineering at Brex and a scaling leader from Bain’s manufacturing practice.
• Tackle a massive, underserved $3 trillion market by building AI agents that turn weeks-long manual processes into minutes for factory owners.
• Enjoy high-bandwidth, in-person collaboration in NYC with significant founding equity and the opportunity to shape company strategy and architecture from the ground floor.

What you will do

• Design and implement core AI-driven features using LLMs to automate complex manufacturing workflows like quoting, purchasing, and sales coordination.
• Architect and scale distributed services while integrating with messy legacy ERP and CRM systems to bridge the gap between AI and factory data.
• Collaborate directly with customers on shop floors across the USA to prototype, test, and iterate on features based on immediate user feedback.

The ideal candidate

• Has 2-8+ years of professional software engineering experience, ideally combining time at a top-tier tech company with early-stage startup or founder experience.
• Demonstrates deep proficiency in full-stack TypeScript (React and Node.js) and a passion for experimenting with modern AI and LLM orchestration tools.
• Possesses a high-ownership mindset, thriving in ambiguity and taking responsibility for product requirements, deployment, observability, and long-term maintenance.

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 (Expert Networks)

Salary

£65k-£80k + Equity

Company Description

Fast-growing healthtech AI startup

Job Description

As a foundational operations hire, you will design and scale the global expert network that powers complex regulatory assessments. You'll build the 0-to-1 systems for recruiting, qualifying, and deploying specialized contractors worldwide. This is a high-autonomy role focused on operationalizing a critical talent pipeline to meet demand for audited technology in a highly regulated sector.

Location

London, UK

Why this role is remarkable

• Ground-floor opportunity to design and build a core business function from the ground up with high autonomy.
• Join a well-funded startup backed by top-tier VCs with proven market traction and scaling revenue.
• High-impact work at the intersection of cutting-edge artificial intelligence and global healthcare standards.

What you will do

• Design and implement the end-to-end freelancer operating system including sourcing, onboarding, and development frameworks.
• Manage complex cross-jurisdictional contracts and compliance requirements in partnership with legal and technical teams.
• Operationalize training and quality assurance processes to maintain high standards across a growing international network of experts.

The ideal candidate

• 3+ years of experience building 0-to-1 operational processes in a fast-paced startup or regulated environment.
• Proven ability to manage contingent workforces, freelancer networks, or specialized talent pipelines at scale.
• Strong first-principles thinker with exceptional communication skills and the ability to navigate complex regulatory landscapes.

===

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

£80k–£100k + Equity

Company Description

Humaans is a $20M venture-backed London startup building the next-generation AI-powered infrastructure for the global workplace. Backed by Y Combinator and the founders of Slack, Figma, and Shopify, the company is redefining people operations with an agentic AI layer that automates workflows across HR, IT, Finance, and Operations.

Job Description

Join Humaans as a Senior Full Stack Engineer to build "Athena," an agentic AI layer automating people operations. Working directly with the founders in London, you will own features from ideation to launch across a modern TypeScript stack. Help us redefine how fast-growing companies like Poolside and Quantexa manage complex global workflows.

Location

London, UK

Why this role is remarkable

• Work on a highly differentiated AI platform that uses a structured workforce data model to make automation reliable for HR, IT, and Finance.
• Join a company backed by $20M from elite investors, including Y Combinator and the founders of Slack, Figma, and Shopify, in a category that is currently wide open.
• Enjoy a high-autonomy product culture where engineers influence the roadmap, collaborate with designers, and solve complex orchestration problems for high-growth global teams.

What you will do

• Build and ship end-to-end features using TypeScript, React, and Node.js while contributing to technical architecture and infrastructure on Kubernetes.
• Collaborate directly with the CEO and Head of Engineering to shape product definition, discover customer needs, and expand the third-party integration marketplace.
• Own the full software lifecycle, from scoping and technical planning to implementation, bug fixes, and supporting sales/marketing efforts.

The ideal candidate

• Extensive professional experience building full-stack web applications, ideally within a high-growth SaaS environment, with a deep appreciation for digital craftsmanship.
• Expert-level proficiency in TypeScript and Node.js, with the ability to navigate complex backend systems and frontend React components with ease.
• Proven track record of taking ownership of ambiguous problems and collaborating effectively with product teams to deliver tangible value to 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.

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

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

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

Senior Vice President

Salary

Not Disclosed

Company Description

10 East is an investment firm founded by Michael Leffell, formerly of Davidson Kempner, providing sophisticated investors direct access to private markets across equity, credit, and real estate.

Job Description

Join 10 East as Senior Vice President to lead the full investment lifecycle, from sourcing and due diligence to execution and portfolio monitoring. You will evaluate complex capital structures across diverse asset classes while mentoring junior team members and engaging with the firm’s growing membership base of sophisticated LPs.

Location

New York, USA

Why this role is remarkable

• Work directly under Michael Leffell, a former Deputy Executive Managing Member of Davidson Kempner with over two decades of institutional alternative investing experience.
• Gain rare, cross-asset exposure by evaluating deals across Private Equity, Real Estate, Venture Capital, and Private Credit within a single, high-conviction platform.
• Enjoy significant ownership and breadth in a small-team environment, moving beyond specialized silos to influence the firm’s growth and investment strategy.

What you will do

• Source high-quality investment opportunities and build strategic relationships to drive deal flow across North America and Europe.
• Conduct rigorous financial, operational, and legal due diligence, preparing detailed investment memoranda for equity, debt, and complex capital instruments.
• Partner with the membership base to produce high-quality content that fuels investor engagement and expands the firm’s institutional and individual client reach.

The ideal candidate

• 8–15 years of experience in investment banking, transaction advisory, or principal investing with a strong track record in private markets.
• Advanced financial modeling and analysis capabilities, paired with the ability to navigate complex capital structures and multi-asset class diligence.
• A self-starting investor with exceptional communication skills who thrives in a collaborative, Midtown Manhattan-based office 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

Senior Engineering Manager

Salary

Not Disclosed

Company Description

Plentific Ltd is a London-based technology company dedicated to building innovative platforms through its engineering department. Operating from the heart of the City of London, the organization focuses on technical excellence and scaling robust solutions to serve its expanding user base while fostering a collaborative environment for engineering talent.

Job Description

As a Senior Engineering Manager at Plentific Ltd, you will lead high-performing teams to deliver impactful software solutions. You will be responsible for technical strategy, people development, and operational excellence within the engineering department. This role offers the opportunity to shape the engineering culture and drive the technical direction of a dynamic London-based team.

Location

London, UK

Why this role is remarkable

• Lead and scale talented engineering squads in the heart of London's vibrant technology sector.
• Directly influence the technical roadmap and organizational growth at Plentific Ltd through strategic leadership.
• Work in a high-growth environment that prioritizes technical innovation, professional development, and engineering best practices.

What you will do

• Manage and mentor multiple engineering teams to ensure high-quality software delivery and sustainable career growth for individuals.
• Collaborate with product and design leaders to define, prioritize, and execute the long-term technical and product strategy.
• Optimize engineering processes and foster a culture of continuous improvement, technical excellence, and cross-team collaboration.

The ideal candidate

• Proven experience managing multiple engineering teams within a fast-paced, high-growth technology environment or scale-up.
• Strong technical background with the ability to provide architectural guidance and oversee complex, scalable system designs.
• Exceptional communication and leadership skills with a track record of building diverse, inclusive, and high-performing 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

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

Actuarial Data Scientist

Salary

Not Disclosed

Company Description

Shepherd is a $60M-funded, AI-native commercial insurance platform backed by Intact Private Capital, Spark Capital, and Y Combinator, transforming high-hazard industry underwriting through autonomous workflows.

Job Description

You will join the Actuarial & Predictive Analytics team to own end-to-end commercial auto pricing models. By building and deploying sophisticated loss cost models and feature pipelines, you'll directly influence Shepherd's underwriting quality and market expansion. This high-impact role blends statistical rigor with shipping real products to achieve the industry's first fully autonomous underwriting.

Location

San Francisco, NYC, or Chicago, USA

Why this role is remarkable

• Work at the cutting edge of insurtech, building the industry's first fully agentic submission system for complex commercial construction projects.
• Benefit from strong backing and industry validation, following a $42M Series B led by Intact Private Capital, one of the world's largest insurers.
• Directly shape the risk infrastructure for the next generation of financial services, leveraging real-time data from partners like Procore and Autodesk.

What you will do

• Own commercial auto pricing models end-to-end, from initial feature development through production deployment and iterative refinement.
• Design and maintain robust feature pipelines that transform raw submission, claims, and third-party data into high-quality model inputs.
• Collaborate closely with actuaries and underwriters to translate domain expertise into predictive features that improve pricing accuracy and loss ratios.

The ideal candidate

• 3+ years of professional experience building and deploying predictive pricing models for personal or commercial auto insurance in production environments.
• Strong command of statistical methods including GLMs, GBDTs, and Bayesian methods, alongside proficiency in Python and SQL.
• An AI-native mindset with the ability to reason from first principles and communicate complex findings to non-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

Full Stack Engineer (Delivery)

Salary

£68k-£72k

Company Description

FITFILE Group Limited is a well-resourced health data technology scale-up founded in 2020. The company transforms the value of health data through a peerless decentralised approach to access and computation, serving NHS Trusts and major pharma players in a market projected to grow to at least £7bn within five years.

Job Description

You will own the technical delivery and maintenance of customer environments for FITFILE Group Limited’s health data platform. Balancing deep engineering execution with cross-functional coordination, you'll bridge the gap between core engineering and high-profile clients like the NHS. This hands-on role involves writing production code, managing deployments, and solving complex infrastructure challenges.

Location

London, UK / Remote

Why this role is remarkable

• Work on technically complex health data problems with real-world consequences for research and patient outcomes alongside an experienced, results-oriented leadership team.
• Join a well-resourced scale-up with unique, internationally patented linkage technology and no direct competition in an addressable market estimated at £7bn.
• Enjoy a virtual-first model with genuine flexibility, a flat structure where engineers directly influence operations, and dedicated time/budget for professional development.

What you will do

• Lead the technical implementation of software into client environments, provisioning infrastructure via Terraform and managing application deployment using Argo CD.
• Build and ship production features across the full stack using TypeScript, Node.js, and Python while optimizing complex queries within PostgreSQL databases.
• Act as the primary technical bridge for NHS and pharma customers, managing discovery, explaining complex technical trade-offs, and ensuring environment stability.

The ideal candidate

• Has 5+ years of software engineering experience building and operating production systems, with a proven track record of owning technical problems end-to-end.
• Possesses deep technical proficiency in TypeScript, Python, and SQL, alongside hands-on experience with Kubernetes, cloud platforms (Azure/AWS), and Infrastructure as Code.
• Demonstrates experience working within healthcare domains (NHS or Life Sciences), understanding the sensitivity, structure, and legal governance of patient 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

Software Engineer

Salary

£50k-£100k+ + Equity

Company Description

Opfyx Ltd is a venture-backed London and New York startup founded in 2023, building a modern AI-enabled operations platform to replace legacy infrastructure for the world's largest airports, airlines, and ground handlers.

Job Description

Join a small, high-impact engineering team at Opfyx Ltd to architect mission-critical systems that replace decades-old aviation infrastructure. You will build and scale distributed architectures across the full stack, working directly on products used in live airport environments to optimize global air travel for billions of passengers.

Location

London, UK

Why this role is remarkable

• Shape the future of global aviation by replacing fragmented legacy systems with a modern, AI-enabled platform used by major international players.
• Join a well-capitalized, venture-backed startup in its early stages where you will work directly with a CTO who is an Apache Arrow and DataFusion contributor.
• Enjoy high ownership and visibility in a small team of three engineers, ensuring your architectural decisions have an immediate, massive impact on real-world operations.

What you will do

• Design, build, and operate highly available, mission-critical software for live aviation environments using Rust and Flutter.
• Collaborate with product stakeholders to develop distributed and federated architectures that support complex, real-world operational workflows.
• Improve reliability, performance, and user experience across the Opfyx AIR platform while helping to shape engineering practices as the team scales.

The ideal candidate

• A self-starter with strong technical instincts across the full stack and the ability to own projects end-to-end in a fast-moving environment.
• Experience or a strong willingness to master a high-performance stack including Rust, Flutter/Dart, gRPC, Arrow, and Postgres.
• A user-first mindset with the technical caliber to build scalable systems for an industry that moves billions of people annually.

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 / Forward Deployed Engineer

Salary

Not Disclosed + Equity

Company Description

Seeft is an AI operations platform, emerging from Entrepreneurs First, that automates physical-goods workflows for manufacturers and distributors. Led by a CTO who scaled process mining at Celonis, Seeft hit $240k ARR within weeks and is currently building the engine to continuously fix margin loss in global procurement.

Job Description

As a founding engineer at Seeft, you will bridge the gap between core product development and client-facing deployment. You’ll build data ingestion pipelines and AI agent dashboards while working directly with retail and manufacturing leaders. This hybrid role empowers you to architect a platform that transforms messy real-world data into automated, margin-saving actions.

Location

Remote / London, UK / San Francisco, USA

Why this role is remarkable

• Join a high-growth startup that achieved $240k ARR in just weeks and is backed by the prestigious Entrepreneurs First accelerator.
• Work directly with CTO Naol Basaye, leveraging his experience scaling process mining at Celonis to build a proactive AI engine rather than static consulting slides.
• Gain significant founding team equity and the opportunity to own the core architecture of an AI platform tackling the massive physical-goods market.

What you will do

• Develop robust data connectors and ingestion pipelines to integrate messy client systems of record into Seeft’s AI environment.
• Build complex, data-heavy interfaces including process maps and agent dashboards that make AI-driven workflows intuitive for non-technical stakeholders.
• Architect the task-routing logic between various AI models to ensure the most efficient and accurate execution of supply chain operations.

The ideal candidate

• Proven track record of deploying AI into production workflows, demonstrating more than just prototype experience in solving real-world business problems.
• Expert-level proficiency in Python and SQL with deep expertise in data modeling; familiarity with React and TypeScript is a strong advantage.
• Exceptional communicator fluent in English, comfortable pivoting between heads-down engineering and client-facing delivery to scope vague problems into shippable solutions.

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