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

The next step is to speak to Jack.

Job Title

Software Engineer, Fullstack

Salary

$200k-$320k + Equity

Company Description

Swarm Aero is a $59M Series A defense technology company backed by Founders Fund and Khosla Ventures, building the world's largest autonomous UAV swarm network. Based in San Francisco, the team consists of aerospace veterans from SpaceX, Blue Origin, and Airbus who are redefining the future of air power.

Job Description

You will architect Legion, a browser-based command and control platform for managing massive swarms of autonomous aircraft. Moving beyond traditional dashboards, you'll build real-time distributed systems and performance-sensitive telemetry visualizations that enable a single operator to direct heterogeneous assets in complex environments, defining a new paradigm for human-swarm interaction.

Location

San Francisco, USA

Why this role is remarkable

• Build the interface for the largest drone swarm on the planet, solving unique challenges in real-time distributed systems and telemetry visualization without existing prior art.
• Join a high-growth Series A startup that raised $59M from elite investors like Founders Fund, Khosla Ventures, and Coatue to redefine modern national security mission sets.
• Work alongside a world-class team of aerospace veterans who have designed over 30 novel aircraft and recently demonstrated a single operator controlling dozens of live-fire assets.

What you will do

• Architect the frontend for the Legion C2 system, enabling simultaneous command of heterogeneous aircraft even over intermittent or degraded communication links.
• Develop distributed, collaborative infrastructure for real-time aircraft control, handling massive telemetry data streams and performance-sensitive rendering using WebGL and geospatial tools.
• Own fullstack features end-to-end, from designing UI concepts for sensor data and mission scheduling to deployment via AWS GovCloud and Kubernetes.

The ideal candidate

• Has 6+ years of experience building complex fullstack applications with deep proficiency in React and modern backend languages like Python, Go, or Java.
• Possesses strong UI/UX instincts and experience with performance-sensitive applications, video streaming protocols, or immediate mode UI paradigms like those found in gaming.
• Is a US Person (ITAR requirement) motivated by building mission-critical technology at a startup pace within a world-class engineering culture.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Founding AI Engineer

Salary

Not Disclosed

Company Description

Refractal is a London-based startup building security infrastructure for autonomy, recognized by MIT’s CSAIL Alliances and selected for Google’s Gemini Cybersecurity Startup Forum.

Job Description

As a Founding AI Engineer at Refractal, you will build the critical safety layer for agentic systems. You'll own the development of runtime classification stacks, policy engines, and evidence pipelines that secure high-consequence AI deployments for leading startups and government entities. This is a rare opportunity to define a new category in cybersecurity.

Location

London, UK

Why this role is remarkable

• Join a powerhouse founding team with technical pedigree from MIT, NASA, Microsoft, and the NSA building at the frontier of AI security.
• Work on real-world, high-consequence deployments for a European government and top-tier startups rather than purely synthetic research environments.
• Direct path to Head of Engineering with significant founding equity and influence over the product roadmap and research agenda.

What you will do

• Develop the runtime classification stack that authorizes agent actions in real-time, ensuring safety and compliance before execution.
• Build high-performance evidence pipelines to record AI verdicts and rationale, providing transparent governance for autonomous systems.
• Collaborate with security researchers to translate novel adversarial attacks into robust, production-ready detections and multi-modal controls.

The ideal candidate

• 0–3 years of experience in AI/ML systems with a strong foundation in computer science, machine learning, or cybersecurity.
• A proven builder with a portfolio of production-grade systems, research at top labs, or significant open-source contributions.
• Rigorous understanding of how adversaries exploit LLMs and agents, including prompt injection, goal hijacking, and data exfiltration.

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 Research Engineer

Salary

Not Disclosed

Company Description

BluePill AI is a $6M seed-funded Seattle-based startup backed by Ubiquity Ventures and Pioneer Square Labs, building digital twins of real audiences for automated market research.

Job Description

You will own the end-to-end model training pipeline at BluePill AI, moving beyond simple API integrations to work directly within model weights. You'll fine-tune and align LLMs to create "AI consumers"—simulated audiences that react with 93% accuracy compared to human panels, revolutionizing how brands test products and messaging in minutes.

Location

Remote

Why this role is remarkable

• Work directly on the weights of foundational models using cutting-edge techniques like LoRA and RLHF rather than building wrappers around existing APIs.
• Join a high-traction, $6M seed-funded startup backed by top investors like Pioneer Square Labs and Flying Fish Partners, with a product already hitting 93% human accuracy.
• Shape the future of market research by building "AI consumers" in a small, elite team led by an ex-Amazon AI founder from Cornell.

What you will do

• Own the complete end-to-end model training and alignment pipeline for BluePill AI's proprietary audience simulation engine.
• Implement and iterate on advanced post-training techniques including SFT, DPO, and PEFT to align model behavior with complex human audience data.
• Build and scale distributed training infrastructure to optimize the performance and deployment of foundational models across the platform.

The ideal candidate

• Deep experience building foundational models or fine-tuning LLMs using advanced methodologies like RLHF and LoRA.
• Strong background in machine learning research with the ability to implement novel approaches from academic papers into production systems.
• Proven track record of optimizing distributed training infrastructure and working effectively 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.

Job Title

Head of Sales (US)

Salary

Not Disclosed

Company Description

Well-funded cross-border fintech startup

Job Description

As the first Head of Sales in the US, you will build the commercial function from the ground up. You will own the entire institutional pipeline, targeting financial institutions and remittance platforms to integrate next-generation payment infrastructure. This hands-on role involves everything from initial prospecting and qualification to closing major partnerships and activating transactions.

Location

New York, USA

Why this role is remarkable

• Lead the US expansion for a company rebuilding global payment rails using modern infrastructure for emerging markets.
• Backed by top-tier venture capital firms and founders of multiple fintech unicorns.
• High-impact, 0-to-1 opportunity where you define the sales playbook and build the local commercial team.

What you will do

• Own the end-to-end US institutional sales cycle, from outbound prospecting to final contract negotiation and activation.
• Design and implement commercial processes including qualification frameworks, pricing strategies, and deal stage management.
• Collaborate with financial institutions and platforms to embed cross-border payment solutions into their existing products.

The ideal candidate

• 5+ years of experience in B2B fintech, payments, or financial services sales with a proven track record of closing enterprise deals.
• Experience building a commercial function or sales motion from scratch, ideally at an early-stage startup.
• Deep understanding of cross-border payments, FX mechanics, and technical integrations required for institutional buyers.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Account Manager

Salary

€50k + 20% OTE

Company Description

cargo.one is an $84M-funded, AI-native operating system for global logistics, backed by top-tier investors including Bessemer Venture Partners, Index Ventures, and Creandum.

Job Description

You will manage an SMB portfolio of roughly 124 freight-forwarding accounts, totaling €637k in ARR. As an Account Manager, you'll drive product adoption, lead commercial renewal negotiations, and upsell customers on cargo.one’s expanding AI and ocean freight capabilities. It is a high-velocity role centered on relationship building and proactive expansion.

Location

Remote, Europe

Why this role is remarkable

• Join a market leader backed by $84M from elite VCs like Index Ventures and Bessemer, transforming the global logistics infrastructure.
• Own a high-velocity commercial book with uncapped commission and the chance to sell cutting-edge AI tools to major industry players.
• Work in a remote-first, high-feedback culture that offers significant autonomy, a €650 home office budget, and regular international offsites.

What you will do

• Manage a portfolio of ~124 accounts, proactively driving renewals and maintaining an NRR that consistently trends north of 100%.
• Identify expansion opportunities to upsell customers into newer AI-native features and ocean freight solutions, growing the revenue footprint of your book.
• Conduct end-to-end commercial negotiations, managing pricing and relationship dynamics for complex B2B SaaS renewals with 1-3 stakeholders per deal.

The ideal candidate

• Proven track record in B2B SaaS account management or renewals, specifically handling high-velocity books and commercial negotiations.
• Exceptional relationship-building skills with the ability to turn day-to-day contacts into internal champions through sharp questioning and rapport.
• Deep curiosity and enthusiasm for AI tools, with the technical diligence required to master a complex logistics product and act as a trusted advisor.

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, Revenue Operations

Salary

$210k-$235k + Equity

Company Description

Harmonic Security Inc. is a venture-backed cybersecurity firm building an AI Governance and Control platform for the enterprise. Supported by investors like Ten Eleven Ventures, N47, and In-Q-Tel, the company provides real-time visibility and control across every AI surface, enabling safe innovation at scale.

Job Description

Harmonic Security Inc. is seeking a Director of Revenue Operations to build the operational backbone of their global GTM organization. You will own the end-to-end revenue lifecycle, from forecasting and CRM architecture to deal desk and territory design. This hands-on builder role is critical for scaling an AI-native company at the forefront of cybersecurity.

Location

New York, USA

Why this role is remarkable

• Lead a category-defining function at the intersection of AI and security, shaping the rules for safe enterprise AI adoption from the ground up.
• Backed by elite cybersecurity investors including Ten Eleven Ventures and In-Q-Tel, Harmonic Security Inc. was recently named to the Rising in Cyber 2026 list.
• Direct access to the CRO and CEO, offering a high-visibility opportunity to influence global growth strategy across US and European markets.

What you will do

• Architect and own the GTM reporting infrastructure, synthesizing complex data into board-ready insights and accurate forecasting models for executive leadership.
• Manage the end-to-end "lead-to-order" process, including deal desk operations, quoting workflows, and the operationalization of consumption-based pricing models.
• Partner with GTM engineers to design and implement AI-native workflows that eliminate sales inefficiencies and automate legacy revenue processes.

The ideal candidate

• Proven track record in B2B SaaS Revenue Operations within a high-growth startup environment, with experience building systems from scratch.
• Deep technical expertise in CRM architecture, territory design, and quota setting, ideally with an AI-first mindset for workflow optimization.
• Strong analytical rigour and communication skills, capable of challenging executive assumptions with data-driven narratives and strategic pipeline insights.

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

Flagship Store Manager

Salary

£30,000-£50,000

Company Description

Swyft Home Limited is a fast-growing D2C furniture brand with ~£22M turnover, growing 30% year-on-year, and famous for its "sofa in a box" innovation.

Job Description

As the Flagship Store Manager at Westfield White City, you will own the commercial performance and operational execution of Swyft Home Limited’s highest-profile location. Reporting to board level, you will drive sales through data-led insight, lead a high-performing retail team from the floor, and deliver a premium, seamless customer experience.

Location

London, UK

Why this role is remarkable

• High-profile leadership: You will report directly to board level and manage the flagship location for a brand growing 30% year-on-year.
• Massive expansion: Swyft Home Limited is scaling rapidly from three showrooms to ten more stores next year, offering immense career progression opportunities.
• Internal growth culture: Join a business where every current board seat was filled via internal promotion, ensuring your hard work leads to senior advancement.

What you will do

• Deliver all store-level KPIs including revenue, conversion, and average order value by translating weekly targets into clear, actionable team behaviors.
• Lead and coach a high-performing sales team from the shop floor, conducting regular 1:1s and building strong deputy and senior capability.
• Oversee operational excellence across rota planning, stock management, and showroom standards to maintain Swyft Home Limited’s premium brand ethos every day.

The ideal candidate

• Proven experience as a Store Manager or strong Assistant Manager within a high-volume, sales-led retail environment (furniture experience is not required).
• Commercially minded leader who thrives on the shop floor and uses performance data to identify opportunities and address underperformance quickly.
• Highly organized individual with a growth mindset who can handle the fast-paced challenges of a scaling flagship store and brand.

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

Protocol Engineer

Salary

$200k + Equity

Company Description

Injective Labs is a Binance-backed blockchain laboratory building the fastest Layer 1 protocol purpose-built for decentralized finance. Supported by industry leaders like Jump Crypto and Pantera Capital, Injective Labs develops a highly optimized environment for order-book-based DEXs, derivatives markets, and sophisticated trading products within the Cosmos ecosystem.

Job Description

Join Injective Labs to develop the core infrastructure powering the next generation of decentralized finance. You will work on Cosmos SDK modules, consensus mechanisms, and state machine optimizations to enhance performance and scalability. This senior role offers the opportunity to ship protocol-level upgrades that directly impact real-world trading volume and cross-chain interoperability.

Location

Remote

Why this role is remarkable

• Work at the protocol layer of one of crypto's most performant L1s, shipping code that handles significant real-world volume and affects every transaction on the network.
• Join a senior-heavy, remote-first team of ~50 experts backed by top-tier investors including Binance, Jump Crypto, and Pantera Capital.
• Own high-impact architectural decisions and optimizations for block times and throughput on a chain laser-focused on the future of institutional-grade DeFi.

What you will do

• Design and implement core blockchain logic using Golang, including Cosmos SDK modules, consensus mechanisms, and state machine optimizations.
• Develop and maintain performance-critical bridge infrastructure and cross-chain interoperability solutions to expand the Injective ecosystem.
• Collaborate with a small engineering team to research, architect, and ship network upgrades that push the technical limits of L1 throughput and latency.

The ideal candidate

• Possesses deep professional experience in Golang, having built and maintained high-performance, concurrent production systems at scale.
• Demonstrates a strong background in blockchain infrastructure, specifically with the Cosmos SDK, Tendermint/CometBFT, or other Layer 1/Layer 2 protocols.
• Understands the intricacies of financial products such as order-book DEXs, perpetuals, derivatives, or market microstructure within a decentralized 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

Senior QA Engineer

Salary

Not Disclosed

Company Description

Well-funded consumer fintech startup

Job Description

We are seeking an experienced Senior QA Engineer to define and execute a modern testing strategy. Sitting at the intersection of leadership and delivery, you will shape platform quality while contributing to test design, automation, and execution. You will collaborate with engineering teams to build reliable, scalable, and well-tested systems.

Location

London, UK

Why this role is remarkable

• You will have the unique opportunity to build and own the entire testing strategy from the ground up for a high-impact platform.
• Work within a well-funded environment backed by top-tier investors, ensuring stability while maintaining the agility of a high-growth startup.
• Play a pivotal role in shaping engineering culture by championing a "shift-left" approach to quality and mentoring team members.

What you will do

• Design and implement automated testing frameworks across unit, integration, and end-to-end layers to ensure seamless delivery.
• Establish quality standards and best practices, integrating automated tests into CI/CD pipelines to improve feedback loops for developers.
• Collaborate closely with product and engineering teams to embed quality early in the development lifecycle and lead release readiness.

The ideal candidate

• Possesses extensive experience in software testing with a proven track record of defining test strategies in modern engineering environments.
• Demonstrates hands-on expertise with test automation frameworks and tools, specifically for REST APIs and distributed backend systems.
• Exhibits strong communication skills and a mindset focused on quality ownership, with the ability to influence and mentor others.

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 (Fintech Infrastructure)

Salary

Not Disclosed + Equity

Company Description

VC-backed cross-border fintech startup

Job Description

Own the end-to-end development of an API-first payments product within a high-velocity environment. You will build resilient provider integrations, manage real-time transaction flows, and architect scalable monitoring layers. This role is central to building the infrastructure for global money movement, requiring a deep focus on reliability, idempotency, and rapid iteration cycles.

Location

London, UK

Why this role is remarkable

• Directly impact global financial infrastructure by building systems that move real money across international borders every day.
• Join a pre-Series A startup backed by top-tier venture capital firms, offering significant equity and early-stage growth potential.
• Work in a high-performance, in-person environment with a fast-shipping culture and 7-day iteration cycles.

What you will do

• Design and ship complex payment provider integrations that handle high-volume transactions across multiple international corridors.
• Develop mission-critical monitoring and resilience layers, including retries and fallbacks, to ensure 24/7 transaction reliability.
• Communicate directly with institutional clients and providers to diagnose failures and optimize live payment flows.

The ideal candidate

• Proven experience building and scaling production-grade payment systems, fintech products, or transaction processing engines.
• Strong proficiency in TypeScript, Node.js, and PostgreSQL with a backend-heavy, full-stack approach to software engineering.
• Exceptional resilience and problem-solving skills, comfortable managing live system failures and building automated recovery mechanisms.

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 - Agent Core

Salary

$280k-$380k + Equity

Company Description

Tasklet is an ambitious AI startup building the cloud agent OS for work, orchestrating LLMs, virtual machines, and storage infrastructure to automate complex professional tasks. The team is creating a seamless environment where AI agents feel like magic through sophisticated system design and world-class context engineering.

Job Description

As a Staff Software Engineer at Tasklet, you will architect the next generation of core agent infrastructure. You’ll design features that integrate LLMs with virtual machines and storage, lead the engineering of high-performance context systems, and define the abstractions that enable the entire team to ship reliable agentic software at scale.

Location

Remote, Global

Why this role is remarkable

• Lead the architecture of a high-stakes AI operating system with outsized ownership and a generous equity stake of up to 0.8%.
• Work at the frontier of context engineering, solving the hardest technical challenges in the AI agent space alongside world-class engineers.
• Join a high-growth startup where you have the agency to define technical standards and build production-grade systems from the ground up.

What you will do

• Architect and continuously improve the core technical infrastructure that powers Tasklet's sophisticated cloud-based AI agents.
• Design and ship innovative agent features by orchestrating LLMs, virtual machines, and external integrations into cohesive systems.
• Establish robust abstractions and engineering standards that allow the broader engineering team to build and deploy at high velocity.

The ideal candidate

• Proven track record as a technical lead for large-scale cloud systems currently in production with strong distributed systems expertise.
• Exceptional AI-native programming skills and a deep understanding of modern LLM-based agent architectures and context engineering.
• Startup-ready mindset with the ability to solve complex infrastructure problems and navigate the fast-paced evolution of AGI technology.

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 Treasury

Salary

Not Disclosed + Equity

Company Description

VC-backed cross-border fintech

Job Description

Own the global treasury function end-to-end for a fast-growing fintech. You will manage liquidity positions across multiple currencies and digital assets, mitigate FX risk in volatile markets, and automate complex reconciliation processes. This high-impact role involves building the treasury infrastructure from scratch to support high-velocity international money movement.

Location

London, UK

Why this role is remarkable

• Directly influence the company's core financial engine by managing high-stakes liquidity and settlement decisions daily.
• Join a well-funded startup backed by top-tier VCs at a pivotal stage of international expansion.
• Build and lead a critical department from the ground up, working directly with the founding team.

What you will do

• Manage daily cash and digital asset positions across various bank accounts and wallets to ensure seamless payout delivery.
• Design and execute FX risk management strategies to protect the balance sheet against volatility in emerging market currencies.
• Partner with engineering to transition manual reconciliation tasks into a robust, automated pipeline for scale.

The ideal candidate

• 5+ years of experience in treasury, liquidity management, or market operations within a high-growth payments or trading environment.
• Proven track record of building financial controls and reconciliation systems in complex, multi-currency operations.
• Hands-on leader comfortable navigating both traditional banking rails and emerging digital asset settlement 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

Growth Marketing Manager

Salary

$160k-$180k + Equity

Company Description

Injective Foundation is the organization behind Injective, a high-speed Layer-1 blockchain specifically optimized for building premier Web3 financial applications. Powering tokenized assets and on-chain markets, Injective is one of the industry’s fastest-growing ecosystems, providing the infrastructure for groundbreaking DeFi applications with real-world utility and interoperability.

Job Description

As the Growth Marketing Manager, you will lead the full user lifecycle for Injective Foundation's upcoming trading application. You’ll convert brand awareness into product usage by executing high-impact GTM campaigns, scaling creator-led growth, and optimizing user funnels. This role is pivotal in driving the next wave of adoption for Web3 finance.

Location

New York, USA

Why this role is remarkable

• Lead the launch of a flagship trading app within one of the fastest-growing Layer-1 ecosystems specifically engineered for financial applications.
• Own the entire growth stack from zero to scale, moving beyond simple social reach to drive deep product liquidity and user adoption.
• Work in a high-impact, remote-friendly environment with a global team that values lean, creative strategies over massive, inefficient spending.

What you will do

• Develop and execute comprehensive Go-to-Market plans to drive user acquisition, activation, and long-term retention for the new trading app.
• Source, brief, and scale KOL and creator partnerships across TikTok, Instagram, and X to generate organic growth and platform liquidity.
• Analyze user funnels and behavior to identify friction points, building automated onboarding flows and in-app campaigns to improve conversion metrics.

The ideal candidate

• Has 4-5+ years of growth marketing experience, specifically within crypto, trading platforms, or high-velocity consumer fintech environments.
• Demonstrates a proven track record of scaling products through measurable UGC and creator-led strategies across multiple social platforms.
• Possesses deep knowledge of Web3 user behavior and the ability to bridge the gap between crypto-native and traditional finance audiences.

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 Executive

Salary

Not Disclosed + Equity

Company Description

VC-backed fintech payments platform

Job Description

You will drive full sales cycles for a global payment network leveraging stablecoin rails. Managing the process from origination to first live transaction, you'll partner with financial institutions and remittance operators to modernize cross-border flows. This high-impact role combines institutional sales, compliance coordination, and technical integration to scale infrastructure in emerging markets.

Location

London, UK

Why this role is remarkable

• Join at the ground floor to build the modern rails for global trade and emerging market payments.
• Backed by top-tier venture capital firms and founders of several fintech unicorns.
• High-velocity environment where deals impact the bottom line within weeks, offering unparalleled learning in enterprise fintech.

What you will do

• Lead end-to-end sales cycles targeting financial institutions and remittance platforms globally.
• Navigate complex deal closures including pricing negotiations, KYB compliance, and engineering integration.
• Manage post-signature activation to ensure high volume and deep product integration with every client.

The ideal candidate

• Brings 2-5 years of experience in B2B fintech or payments sales with a proven track record of closing deals.
• Possesses the institutional presence to manage relationships with treasury professionals and financial executives.
• Demonstrates a deep curiosity for stablecoin infrastructure and the mechanics of cross-border payment networks.

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 Network

Salary

Not Disclosed

Company Description

VC-backed cross-border payments fintech

Job Description

You will own the end-to-end global partner network, replacing correspondent banking chains with stablecoin rails across emerging markets. Your role involves originating partnerships with banks and payout providers, launching new corridors, and managing the live payment stack. You will work directly with the CEO to build resilient infrastructure connecting Africa, the Gulf, and Asia.

Location

London, UK

Why this role is remarkable

• Lead the architecture of a global payment network that bypasses traditional banking inefficiencies using cutting-edge stablecoin and blockchain technology.
• Join a high-growth startup backed by unicorn founders and top-tier VCs, operating in some of the world's fastest-growing markets.
• High-impact leadership position with direct reporting to the CEO and the autonomy to define the company's operational DNA from day one.

What you will do

• Originate and negotiate high-stakes partnerships with banks, payout partners, and liquidity providers across Africa, the Gulf, and Asia.
• Execute the end-to-end launch of new payment corridors, moving from initial commercial agreement to the first live institutional transaction.
• Manage the performance, economics, and resilience of the live payment stack to ensure high-speed settlement and institutional-grade reliability.

The ideal candidate

• Possesses 6+ years of experience in payment partnerships or network roles, with a proven track record of negotiating with global financial institutions.
• Deeply understands payment infrastructure and regulatory landscapes in emerging markets, specifically regarding payout networks and licensing requirements.
• Combines commercial savvy with risk literacy and has functional knowledge of stablecoin settlement or the drive to master blockchain-based money movement.

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 Developer

Salary

£70k-£120k

Company Description

VC-backed AI governance startup

Job Description

You will build the critical control infrastructure that allows regulated enterprises to deploy agentic AI safely and at scale. Taking end-to-end ownership of the full stack, you will design robust APIs and scalable data models to solve complex governance challenges for financial services and healthcare sectors within a high-growth environment.

Location

London, UK

Why this role is remarkable

• Shape the foundational guardrails for agentic AI deployment in highly regulated global industries.
• Join a well-funded startup backed by top-tier investors at an early stage with direct founder access.
• Work with a modern TypeScript stack on a mission-critical product where your architecture decisions drive immediate impact.

What you will do

• Develop end-to-end features across the React frontend and Node.js/Express.js backend using TypeScript.
• Architect and optimize production data models in Postgres while managing performance-critical paths via Redis.
• Deploy and manage scalable, containerized infrastructure using AWS, Docker, and Kubernetes within CI/CD pipelines.

The ideal candidate

• Brings 7+ years of full stack experience shipping production applications with Node.js, React, and TypeScript.
• Demonstrates deep expertise in SQL, database optimization, and managing cloud-native infrastructure at scale.
• Possesses a background in fintech or cybersecurity with a rigorous approach to testing, security, and documentation.

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

Clinic Manager

Salary

Not Disclosed

Company Description

Innovative brain health clinic group

Job Description

As Clinic Manager, you will serve as the operational backbone of a premium brain health facility in London. You will oversee daily operations, manage patient pathways with a concierge-level approach, and ensure clinical excellence through robust governance. This pivotal role involves scaling processes, supporting team growth, and preparing for multi-site expansion across the UK.

Location

London, UK

Why this role is remarkable

• Lead operations for a doctor-led practice at the intersection of neuroscience and technology.
• Join a well-funded healthtech startup during a high-growth phase with an emerging international presence.
• Direct impact on shaping the operational blueprint and patient experience for a future market leader.

What you will do

• Oversee end-to-end patient journeys, ensuring a high-touch, concierge-level experience from initial enquiry to maintenance therapy.
• Manage daily clinic operations including rotas, facilities, and KPI reporting to ensure seamless clinical delivery.
• Formalize operational SOPs and governance frameworks in alignment with regulatory standards to support multi-site scaling.

The ideal candidate

• Proven experience in clinic management or premium service environments such as private healthcare, wellness, or luxury hospitality.
• Exceptional organizational abilities with the capacity to manage complex scheduling, compliance, and team leadership simultaneously.
• A process-builder mindset, comfortable operating in a scaling environment and willing to support future site launches.

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 Associate

Salary

£42,000 - £47,000 + Performance Bonuses

Company Description

Entrepreneurs First is a global talent investor backed by Reid Hoffman and the Collison brothers that has built companies worth over $18bn. They identify exceptional individuals to build startups from scratch, including unicorns like Tractable and high-profile exits to Apple and Twitter.

Job Description

You will drive the operational engine of Entrepreneurs First in London, owning the end-to-end events strategy and strategic partnership portfolio. By streamlining workflows and managing a vibrant Shoreditch workspace, you’ll ensure five upcoming cohorts have the optimal environment to build world-changing technologies while scaling EF’s brand across Europe.

Location

London, UK

Why this role is remarkable

• Join a prestigious global firm backed by founders of Stripe and LinkedIn, directly influencing the next generation of tech unicorns.
• Take total ownership of high-impact events and a partnership portfolio across major hubs like San Francisco, Paris, and Bangalore.
• Experience rapid career progression in a meritocratic culture where impact is valued over tenure, supported by a dedicated L&D budget.

What you will do

• Execute a high-impact external events strategy, delivering at least two major leads-generating events monthly to strengthen the EF brand.
• Manage and optimize EF's strategic partnership portfolio, securing sponsorships and venues while onboarding new partners to provide founder value.
• Scale operational efficiency by integrating AI tools and automating workflows across Slack, Notion, and Airtable to reduce manual overhead.

The ideal candidate

• Has 3+ years of professional experience in operations, events, or program delivery, ideally within a fast-paced startup or accelerator ecosystem.
• Demonstrates exceptional organizational skills and the ability to find order in chaos while managing a varied workload independently.
• Is a clear communicator with high EQ, capable of building trust with elite founders and high-profile external 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

Member of Technical Staff

Salary

Not Disclosed + Equity

Company Description

VC-backed cross-border payments infrastructure

Job Description

Lead the zero-to-one development of a comprehensive financial platform designed for international commerce in emerging markets. You will architect foundational systems including ledger infrastructure, custody layers, and settlement workflows. This high-impact role involves building mission-critical tools that bridge traditional finance with modern digital assets to enable instant global value movement.

Location

London, UK

Why this role is remarkable

• Architect a greenfield financial platform from the ground up, working directly with veteran founders in a high-ownership environment.
• Join a well-funded team backed by top-tier fintech investors with established traction in high-growth global payment corridors.
• Benefit from a culture of rapid development and high technical standards, including visa sponsorship and potential international relocation opportunities.

What you will do

• Design and implement full-stack features including secure wallet systems, virtual accounts, and automated settlement workflows.
• Integrate modern digital asset infrastructure with traditional banking rails to facilitate low-latency, cross-border financial transactions.
• Collaborate on foundational architectural decisions to ensure system scalability and reliability for high-volume institutional money movement.

The ideal candidate

• Strong background in building production-grade fintech products such as payment engines, custody systems, or financial ledgers.
• Senior-level proficiency in TypeScript, React, and Node, with the ability to ship functional, user-facing interfaces quickly.
• Product-focused mindset capable of architecting complex systems while accounting for the unique constraints of emerging market 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

Talent Acquisition Administrator

Salary

£32k

Company Description

Flatpay is a high-growth fintech and Denmark’s fastest unicorn, scaling rapidly across Europe with a team of over 2,000 passionate colleagues. We provide transparent and fair payment solutions for small and medium businesses, eliminating hidden fees and bringing much-needed innovation to the SME financial services market.

Job Description

Join Flatpay as a Talent Acquisition Administrator to drive our high-volume hiring for field sales and customer support roles. Working alongside Senior TA Partners in our London hub, you will manage the recruitment funnel from sourcing to onboarding. This is a fast-paced, hands-on role perfect for launching an in-house recruitment career.

Location

London, UK

Why this role is remarkable

• Join Denmark’s fastest-ever unicorn and one of the Nordics' most successful fintechs as they aggressively scale their UK presence from a base in White City.
• Transition from agency recruitment to an in-house environment with a stable £32k base salary and a focus on quality hiring over commission-driven targets.
• Gain full 360-degree recruitment exposure and mentorship from Senior TA Partners within a high-energy culture that values transparency, bold goals, and ownership.

What you will do

• Manage the end-to-end candidate pipeline by reviewing CVs, conducting first-stage telephone screenings, and coordinating assessment days for sales and support roles.
• Proactively source high-quality talent using LinkedIn, job boards, and referrals to ensure a consistent flow of candidates for Flatpay’s expanding UK team.
• Maintain the applicant tracking system (ATS) with precision and support the Head of HR with offer preparations and seamless onboarding handovers.

The ideal candidate

• Possesses 1-2 years of recruitment experience, ideally in a fast-paced agency or high-volume environment such as sales, retail, or hospitality.
• Demonstrates exceptional organizational skills and the ability to stay calm under pressure while multitasking across multiple open requisitions and candidate communications.
• Showcases strong communication skills and a "sky-high ambition" mindset, aligning with Flatpay's values of ownership, respect, and meritocratic decision-making.

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 Sales (EMEA)

Salary

Not Disclosed + Equity

Company Description

VC-backed fintech infrastructure startup

Job Description

As the Head of Sales for EMEA, you will own the commercial engine for a platform revolutionizing cross-border payments. Reporting to the CEO, you will manage the institutional book, lead a growing sales team, and scale partnerships with financial institutions and remittance operators. This is a high-impact, hands-on role defining the future of global money movement.

Location

London, UK

Why this role is remarkable

• You will have end-to-end ownership of the EMEA revenue engine, from pricing strategy and deal structure to closing major institutional partnerships.
• Work at a well-funded startup backed by top-tier VCs that is solving complex cross-border payment challenges using modern infrastructure and stablecoin rails.
• High growth potential with meaningful equity and a direct line to the CEO in a central London-based, 100% in-person role.

What you will do

• Originate and close high-value institutional partnerships with banks, remittance platforms, and financial service providers across European and African corridors.
• Lead and scale a high-performing sales team, providing hands-on coaching on live deals while continuing to personally lead complex, high-stakes commercial conversations.
• Develop the commercial playbook including pricing structures, qualification frameworks, and activation strategies to maximize account expansion and revenue retention.

The ideal candidate

• Has 6+ years of experience in B2B fintech or payments sales with a proven track record of commercial leadership and team management.
• Possesses deep knowledge of cross-border FX mechanics and settlement infrastructure, with experience navigating complex compliance, procurement, and technical requirements.
• Is a hands-on player-coach who thrives on closing major deals while simultaneously building the systems and teams needed for institutional scale.

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

Partnerships Associate

Salary

Not Disclosed + Equity

Company Description

VC-backed cross-border payments fintech

Job Description

Join a high-growth startup building the global payment network for emerging markets. As Partnerships Associate, you will sit at the center of a partner network involving banks and liquidity providers. You’ll scope new corridors, manage end-to-end onboarding, and analyze deal economics, working directly with the leadership team to replace slow, expensive legacy banking infrastructure.

Location

London, UK

Why this role is remarkable

• Work directly with the CEO and Head of Network to build the rails for global trade from the ground up.
• High-impact environment where high performers quickly progress to owning entire payment corridors and market strategy.
• Backed by top-tier VCs to solve real-world cross-border payment friction using modern stablecoin and crypto infrastructure.

What you will do

• Launch new payment corridors by researching markets, modeling economics, and negotiating commercial terms with international providers.
• Execute end-to-end partner onboarding, including rigorous due diligence, KYB coordination, and tracking technical integrations.
• Manage and analyze partner performance across rates, SLAs, and settlement to ensure consistent operational excellence.

The ideal candidate

• 1-4 years of experience in fintech, consulting, investment banking, private equity, or a high-growth startup environment.
• Operationally relentless and highly analytical with an ability to thrive in ambiguous, fast-paced startup settings.
• Exceptional communicator comfortable negotiating with global financial institutions and managing complex, high-stakes stakeholder relationships.

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 Marketing

Salary

Not Disclosed

Company Description

G42 is a global AI and technology group building sovereign infrastructure, backed by a $1.5B Microsoft investment and strategic partnerships with NVIDIA and OpenAI.

Job Description

As the first marketing hire for G42 Americas, you will define how the brand appears in North America. You’ll lead brand strategy, executive communications, digital presence, and high-impact events. This role offers total ownership over the marketing function, supporting a partner-driven business serving governments and enterprises at massive scale.

Location

United States or Canada

Why this role is remarkable

• Join G42 as the foundational US marketing leader, reporting directly to the Office of the CEO with massive executive visibility from day one.
• Leverage a $1.5B Microsoft investment and strategic partnerships with AI titans like NVIDIA and OpenAI to build sovereign AI infrastructure.
• Move beyond a narrow functional lane to own the entire marketing stack—from creative brand rollouts to strategic PR and field marketing.

What you will do

• Manage the brand agency relationship from engagement through rollout, ensuring a consistent and premium visual identity across all North American surfaces.
• Design and execute an external communications cadence, including PR announcements, media relationships, and executive positioning for key product milestones.
• Build and optimize the digital footprint and field marketing strategy, selecting essential industry moments to establish a credible, high-performance presence.

The ideal candidate

• Has 8-12 years of B2B technology marketing experience, specifically within infrastructure, AI, cloud, or enterprise software at a significant scale.
• Demonstrates mastery as a broad operator across brand, digital, and comms, with a proven track record of managing agencies to deliver high-quality output.
• Thrives in fast-changing environments with thin processes, possessing the confidence to advise executives on marketing priorities and resource allocation.

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 Sales Leader

Salary

£100k-£125k + 100% OTE + Equity

Company Description

Nexcade AI is an $8.5M venture-backed startup founded by ex-Palantir and Sedna leaders, building AI automation and intelligent agents to revolutionize the $210BN freight forwarding industry.

Job Description

As the Founding Sales Leader at Nexcade AI, you will partner directly with the CEO to build and execute a 0-to-1 go-to-market strategy. You’ll own the full sales cycle, from pipeline generation to closing complex deals with freight forwarders, while establishing the foundational playbooks and tech stack for future scale.

Location

London, UK

Why this role is remarkable

• Join as the first sales hire at a well-funded AI startup with $8.5M in backing from top VCs and the founders of Synthesia and Onfido.
• Work alongside a high-pedigree founding team from Palantir and Sedna to tackle massive inefficiencies in global logistics using cutting-edge agentic AI.
• Secure a founding seat with significant ownership and above-market equity while building a company’s entire commercial engine from the ground up.

What you will do

• Drive the full-cycle sales process from initial prospecting and AI-driven demand generation to navigating technical objections and closing high-value freight forwarding contracts.
• Partner directly with the CEO to develop the go-to-market strategy, including product positioning, sales collateral, and pricing for the $210BN logistics market.
• Build the foundational sales infrastructure, including the CRM tech stack, repeatable sales playbooks, and customer success handoff processes to enable future scale.

The ideal candidate

• Proven track record in B2B SaaS sales at early-stage startups, with a history of hitting quotas and closing complex, multi-stakeholder deals.
• Deep domain expertise in freight forwarding, logistics, or supply chain technology (TMS, customs, or trade data) to speak credibly with industry executives.
• Exceptional technical fluency in AI and automation, capable of running expert demos and managing security reviews without constant engineering intervention.

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 Legal & Regulatory

Salary

Not Disclosed + Equity

Company Description

VC-backed cross-border payments startup

Job Description

As Head of Legal & Regulatory, you will own the entire legal and compliance function for a high-growth payments infrastructure company. You will lead global licensing strategy, design scalable compliance programs, and manage critical relationships with regulators and banking partners. This is a high-impact role requiring a strategic and commercial mindset to enable rapid global expansion.

Location

London, UK

Why this role is remarkable

• Own the legal function from scratch at a well-funded infrastructure startup.
• Lead complex licensing strategies across North America, Europe, and emerging markets.
• Join an elite team backed by top-tier VCs in the payments and fintech space.

What you will do

• Develop and execute a global licensing roadmap across multiple jurisdictions and regulatory regimes.
• Design and oversee a robust compliance program including KYB, sanctions, and transaction monitoring.
• Negotiate high-stakes commercial agreements with global infrastructure partners and institutional clients.

The ideal candidate

• 6+ years PQE in financial regulation, payments, or digital assets with in-house experience.
• Deep familiarity with the evolving stablecoin and payments regulatory landscape globally.
• Eligible for MLRO appointment with a proven track record of directly managing regulator relationships.

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

Analytics Lead

Salary

Not Disclosed

Company Description

Model ML is a $75M post-Series A, YC-backed AI platform building data tools for investment banks, private equity firms, and global consulting leaders.

Job Description

Reporting to the CEO, you will transform Model ML’s analytics from fifty fragmented dashboards into a single, canonical metric layer. This role requires technical depth in SQL and dbt combined with the business intuition to define core metrics for a scaling AI fintech, ensuring leadership runs on one source of truth.

Location

London, UK

Why this role is remarkable

• Report directly to the CEO at a $75M post-Series A startup backed by Y Combinator, with founders who have exited two prior companies.
• Take full ownership of the company's metric strategy, presenting and defending core data definitions directly to leadership and potential future investors.
• Build your own team of one to two analysts within the first year as the company scales from 60 to 150 employees.

What you will do

• Consolidate a sprawling estate of 50+ dashboards into a defended core set of metrics that the entire company runs on daily.
• Embed self-serve analytics across non-technical functions, ensuring commercial and product teams can answer their own questions without relying on engineering.
• Maintain the semantic layer and core metric definitions, bridging the gap between raw warehouse data and high-level business strategy.

The ideal candidate

• Deeply hands-on with SQL, dbt, and modern BI tools, with a track record of building production-grade data models and semantic layers.
• Proven experience navigating reporting sprawl at scale, ideally having consolidated complex data estates within high-growth or fintech environments.
• Thrives in a high-intensity "9 to 9" office culture and possesses the commercial acumen to translate business needs into technical specifications.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Member of Specialist Staff (Legal & Regulatory Analyst)

Salary

Not Disclosed + Equity

Company Description

VC-backed fintech infrastructure startup

Job Description

You will drive the legal and regulatory engine for a global payment infrastructure provider. Balancing commercial contract negotiation with multi-jurisdictional licensing across North America, Europe, and Africa, you will build AI-enabled compliance systems. This role demands high speed, commercial judgment, and a builder’s mindset to open new corridors in days.

Location

London, UK

Why this role is remarkable

• Direct ownership of global licensing and commercial strategy for a high-growth payments platform.
• Backed by top-tier VCs and operating at the intersection of fintech, stablecoins, and AI.
• Opportunity to build automated compliance infrastructure from scratch rather than performing manual tasks.

What you will do

• Manage and secure regulatory licenses across the US, EU, Canada, and various African jurisdictions.
• Draft and negotiate commercial contracts to operationalize new payment corridors with speed.
• Design and implement AI-driven compliance systems for KYB, sanctions screening, and transaction monitoring.

The ideal candidate

• Qualified solicitor with training from a Magic Circle or top US law firm (0-3 years PQE).
• Technical builder mindset with experience or interest in leveraging LLMs and automation tools.
• Highly commercial approach to risk management and the ability to communicate complex legalities clearly.

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

Mission Solutions Engineer

Salary

£80k-£100k

Company Description

Adarga is a leading UK AI company building the Sovereign AI Stack for national security, defence, and resilience organisations. Serving the UK MoD and US Government, Adarga provides advanced tools like Catalyst and Keystone for multimodal data fusion and secure inference compute to enable rapid, high-stakes decision-making in complex environments.

Job Description

As a Mission Solutions Engineer at Adarga, you will serve as the technical bridge between customers and engineering. You’ll design demonstrations for the Sovereign AI Stack, act as a trusted adviser during mission-critical engagements, and translate complex operational needs into technical solutions. Whether a deep-tech data scientist or a rapid prototyper, you’ll drive national security outcomes.

Location

London, UK

Why this role is remarkable

• Work at the cutting edge of AI for national security, directly supporting the UK Ministry of Defence and the US Government with mission-critical Sovereign AI.
• Join a high-growth scale-up where you’ll have deep exposure to hybrid neural + symbolic systems, multimodal data fusion, and edge deployment architectures.
• Play a pivotal role in shaping a new Mission Solutions function, bridging the gap between sophisticated technical capability and real-world operational impact.

What you will do

• Design, build, and maintain high-impact demonstrations and technical presentations of Adarga’s Catalyst and Keystone platforms for senior customer stakeholders.
• Act as a primary technical point of contact, conducting workshops and providing expert advice to translate customer mission requirements into effective AI solutions.
• Collaborate cross-functionally with Sales, Mission Engineering, and Product teams to contribute technical expertise to bids, tenders, and long-term strategic objectives.

The ideal candidate

• Either a deep-tech data scientist skilled in NLP and knowledge graphs, or an AI-native builder capable of rapid prototyping and experience-focused product storytelling.
• Possesses strong communication skills to navigate complex technical discussions with CTOs while maintaining a focus on user-centric product requirements and mission outcomes.
• Must be eligible for UK Security Clearance (SC), with existing clearance considered a significant advantage for working within the defence and security sectors.

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 Time Sales Advisor - Stratford

Salary

Not Disclosed

Company Description

Swyft Home Limited is a fast-growing UK furniture brand, founded in 2019, revolutionizing the industry with its innovative "sofa in a box" concept that enables tool-free assembly in minutes.

Job Description

Join Swyft Home Limited as a Sales Advisor at our new Westfield Stratford location. You will be the face of our brand, providing consultative advice to help customers find the perfect furniture pieces. This role combines high-end customer service with operational support, contributing directly to the success of our expanding retail presence.

Location

London, UK

Why this role is remarkable

• Be a founding team member of our new flagship location at Westfield Stratford, one of Europe's premier shopping destinations.
• Represent a disruptive, award-winning furniture brand that has successfully transitioned from online-only to a high-growth physical retail presence across London.
• Enjoy a dynamic environment where your impact is immediate and your growth is supported through ongoing training and professional development.

What you will do

• Engage customers through consultative selling, providing tailored product advice and demonstrating deep knowledge of our unique tool-free furniture range.
• Achieve individual and team sales targets by identifying upselling opportunities while ensuring every customer receives a memorable in-store journey.
• Maintain excellence in store presentation and visual merchandising, while assisting with essential daily operations like stock handling and deliveries.

The ideal candidate

• Proven experience in retail sales, ideally within the furniture, interior design, or premium lifestyle sectors where building customer rapport is key.
• Exceptional communication skills and a proactive mindset, with the grit and determination needed to thrive in a fast-paced retail environment.
• A genuine passion for interiors and design, combined with the flexibility to work shifts in a busy, customer-focused shopping center.

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

£160k-£300k + Equity

Company Description

Ankar AI is a $24M VC-funded startup backed by Atomico and Index Ventures building AI-powered R&D and IP infrastructure. Serving Fortune 500 clients like L’Oréal, they are transforming the $1T innovation market by automating manual R&D workflows to protect and accelerate the creation of global intellectual property.

Job Description

As a Senior Product Engineer at Ankar AI, you will own the end-to-end execution of mission-critical AI tools. You’ll design, build, and maintain scalable systems across the full stack, translating ambiguous R&D challenges into dependable software. Working directly with users, you’ll define product specs and ship features that redefine how global enterprises manage innovation.

Location

London, UK

Why this role is remarkable

• Join a high-growth team with $1M+ ARR and backing from top-tier VCs like Atomico, Index Ventures, and leaders from OpenAI and DeepMind.
• Take on a founding-engineer-level ownership role where you define technical specs and product direction rather than just executing predefined tasks.
• Work at the cutting edge of AI, building tools that secure the 90% of S&P 500 value tied to intangible intellectual property assets.

What you will do

• Design and implement scalable, reliable product experiences across the frontend and backend to solve complex R&D and IP workflow problems.
• Ship features rapidly in a high-autonomy environment, iterating based on direct feedback from Fortune 500 customers and global law firms.
• Partner with product and design teams to bridge technical feasibility with user needs, ensuring software is impactful and production-ready.

The ideal candidate

• 5-12 years of professional engineering experience with a proven track record of shipping production-grade software in fast-paced environments.
• Strong startup experience, preferably as an early employee or founding engineer, with a builder's mindset and ability to thrive in ambiguity.
• Exceptional product sense and technical versatility, capable of owning features end-to-end across the stack while maintaining a high bar for 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

Key Holder

Salary

Not Disclosed

Company Description

Swyft Home Limited is a fast-growing UK furniture brand that has expanded from a startup to multiple showrooms and a nationwide presence in John Lewis stores within just six years. Known for bringing quality, style, and convenience to the furniture market, they are currently launching flagship locations in Westfield Stratford and White City.

Job Description

As a Key Holder at our new Westfield locations, you will drive the daily success of our stores by delivering exceptional customer service and tailored design advice. You'll manage store openings and closings, support visual merchandising, and handle stock logistics while helping customers transform their homes with our high-quality, stylish furniture.

Location

London, UK

Why this role is remarkable

• Join a rapidly expanding brand at a pivotal moment as we launch flagship locations in Westfield Stratford and Westfield White City.
• Experience a dynamic, non-traditional retail environment where your impact on store operations and customer experience is directly visible and valued.
• Benefit from ongoing training and professional development designed to help you master premium furniture sales and retail management within a high-growth company.

What you will do

• Lead the store's daily operations, including opening and closing procedures, while maintaining high standards of visual merchandising and store presentation.
• Engage customers with genuine product knowledge and tailored interiors advice to drive sales and meet team performance targets.
• Collaborate with the Retail Store Manager to manage stock deliveries, inventory upkeep, and ensure a seamless, memorable journey for every visitor.

The ideal candidate

• Brings proven experience in retail sales, specifically within premium lifestyle, furniture, or interior design brands, with a track record of meeting targets.
• Demonstrates exceptional interpersonal skills and a proactive grit and determination mindset to thrive in a fast-paced, high-traffic shopping environment.
• Possesses a genuine passion for home interiors and the ability to solve customer problems through creative, high-quality furniture 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

Treasury Analyst

Salary

Not Disclosed

Company Description

VC-backed cross-border payments fintech

Job Description

You will manage the operational heartbeat of a stablecoin-native payments platform, overseeing daily cash positions across fiat and digital assets. Working directly with the CEO and Head of Finance, you'll execute prefunding, track FX exposure, and build treasury infrastructure to streamline international money movement in emerging markets.

Location

London, UK

Why this role is remarkable

• Ownership of real-time money movement across multiple currencies and stablecoins from day one.
• Join a well-funded startup backed by top-tier VCs and unicorn fintech founders at the ground floor.
• Unique exposure to the intersection of traditional finance and cutting-edge stablecoin settlement rails.

What you will do

• Monitor daily cash positions across bank accounts and digital wallets in GBP, EUR, USD, and USDT.
• Execute and reconcile prefunding to global payout partners while monitoring daily FX exposure.
• Build automated treasury dashboards, cash flow forecasts, and support month-end financial reporting processes.

The ideal candidate

• Highly numerate and detail-oriented with a quantitative degree in finance, mathematics, or engineering.
• Operationally minded with the ability to troubleshoot payment flows and build financial systems from scratch.
• Curious about stablecoins and cross-border payments with a high capacity for learning complex financial architecture.

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, Backend

Salary

$160k-$200k + Equity

Company Description

Numero is a YC-backed fundraising platform that has helped political campaigns and nonprofits raise over $10B. Backed by investors like 776 and Initialized Capital, Numero provides an all-in-one CRM, payment processing, and communications toolkit that scales to serve thousands of campaigns during the most critical moments of national election cycles.

Job Description

Join Numero as a Senior Backend Engineer to architect systems handling millions of daily requests and billions of records. You will scale our proprietary NumeroQL engine, integrate advanced AI agents into our product suite, and optimize high-volume payment processing. It’s a high-impact role building the infrastructure that powers consequential national campaigns.

Location

Remote, USA

Why this role is remarkable

• Work on mission-critical systems where your code directly impacts thousands of campaigns and helps raise billions of dollars for important causes.
• Join a high-growth, YC-backed team with top-tier investors like 776 and Initialized Capital, operating at a scale few startups ever reach.
• Be at the forefront of AI-native development, utilizing agentic coding workflows and building LLM-powered features like Numero Agents on a proprietary Ruby stack.

What you will do

• Architect and scale backend systems using Ruby on Rails, Postgres, and OpenSearch to support billions of records and high-frequency election traffic.
• Develop and refine Numero Agents, a suite of AI-powered tools that allow clients to manage their platform using sophisticated natural language commands.
• Optimize complex payment processing and tandem fundraising features, ensuring high conversion and precise compliance reporting across Stripe and PayPal.

The ideal candidate

• Possesses 6+ years of experience building and scaling user-facing backend systems with a deep, instinctive understanding of production performance and cost.
• Demonstrates high proficiency in SQL and relational data modeling at scale, with experience managing bottlenecks and indexing in high-volume environments.
• Maintains a bias toward high-quality architectural patterns and is eager to push the frontier of AI-integrated engineering workflows using tools like Cursor.

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.

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

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

Security Engineer

Salary

£70k-£110k + Equity

Company Description

StackOne is a $24M Series B AI integration gateway backed by GV and Workday Ventures. Based in London, they provide a unified API that allows SaaS platforms and AI agents to orchestrate hundreds of enterprise-grade integrations securely through real-time architecture, managed authentication, and end-to-end observability.

Job Description

As the first dedicated Security Engineer at StackOne, you will own the cloud and product security posture end-to-end. Reporting to the CTO, you will build security tooling in TypeScript/Python, harden AWS/Cloudflare infrastructure, and threat-model features handling complex OAuth flows. You’ll enable engineers by automating security directly into the SDLC.

Location

London, UK

Why this role is remarkable

• First security hire opportunity: Define the security architecture and strategy from the ground up for a high-growth AI infrastructure startup.
• High-caliber backing: Supported by top-tier investors like GV and Workday Ventures with $24M raised to scale the future of agentic integrations.
• Builder-centric culture: This is a hands-on DevSecOps role where you ship production code and tooling rather than just managing GRC checklists.

What you will do

• Own the secure SDLC by driving SAST, dependency scanning, and secrets detection standards across all repositories and CI/CD pipelines.
• Harden the AWS and Cloudflare estate using zero-trust patterns, network segmentation, and advanced IAM/KMS configurations for multi-tenant environments.
• Threat-model new product features, connector executions, and agent tool-calling paths to ensure robust security for complex authentication and OAuth flows.

The ideal candidate

• 3+ years of security engineering experience with deep hands-on expertise in AWS security services like GuardDuty, Security Hub, and KMS.
• Proficiency in shipping production-grade code using TypeScript, Python, or Go, with a strong background in Infrastructure as Code (CDK or Terraform).
• Solid understanding of application security, including OWASP Top 10, threat modeling, and securing B2B SaaS multi-tenant environments at scale.

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 Marketer & Engineer

Salary

$75k-$150k + Equity

Company Description

GenHealth.ai is an early-stage, AI-native startup transforming the healthcare industry through generative AI and large language models to improve patient outcomes.

Job Description

As the first marketing hire at GenHealth.ai, you will bridge the gap between engineering and growth. You'll build internal apps and automation frameworks using Python and APIs to drive outbound systems while creating high-impact content. This founding role offers the autonomy to shape the company's technical GTM architecture and brand strategy from day one.

Location

Remote, USA

Why this role is remarkable

• Join as a founding marketing hire with the unique opportunity to build the company’s GTM infrastructure and technical growth engine from the ground up.
• Work at the cutting edge of healthcare and AI, leveraging LLMs like Claude and Cursor to automate complex marketing and sales workflows.
• Enjoy significant ownership and autonomy, reporting directly to the Head of Sales & Operations with a direct line to the founding team.

What you will do

• Engineer automated outbound systems and GTM pipelines using Python and APIs to scale lead generation and pipeline performance programmatically.
• Create and distribute high-quality technical content across blogs, newsletters, and social media platforms to establish GenHealth.ai as a thought leader.
• Coordinate multi-channel marketing campaigns and professionalize brand presence at major industry conferences through targeted collateral and follow-up strategies.

The ideal candidate

• Possesses 3-5 years of experience in marketing or engineering with strong fundamentals in Python and building internal automation tools.
• Demonstrates exceptional writing skills and the ability to translate complex generative AI concepts into accessible, engaging marketing content for healthcare audiences.
• Thrives in fast-paced startup environments and is comfortable building the plane while flying it across both technical and creative domains.

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

Salary

£120k-£160k + Equity

Company Description

Omnea is a $75M-funded London startup building an AI-native procurement platform to reinvent how enterprises manage spend, backed by top-tier investors including Khosla Ventures, Insight Partners, and Accel.

Job Description

As an Engineering Manager at Omnea, you will lead multiple high-performing teams to scale an AI-native procurement platform. You’ll oversee 12-20 engineers, driving technical excellence and architectural decisions while partnering with product leadership. This is a high-autonomy role designed for leaders ready to define the engineering culture of a rapidly growing Series B rocket ship.

Location

London, UK

Why this role is remarkable

• Join the #4 fastest-growing startup in Europe, backed by $75M in funding from elite investors including Accel and Khosla Ventures.
• Experience massive scale and impact by leading up to three engineering teams for a product trusted by global giants like Spotify, MongoDB, and Monzo.
• Work alongside a world-class leadership team that previously scaled Tessian to acquisition, operating in a high-talent-density environment with ex-Monzo and ex-Meta peers.

What you will do

• Lead and mentor 2-3 engineering teams totaling 12-20 engineers, fostering a culture of technical excellence, continuous improvement, and high performance.
• Partner with Product and Design leadership to define technical roadmaps and ensure the delivery of high-quality solutions at a fast-growth velocity.
• Facilitate critical architectural decisions and refine scalable engineering processes across domains like Accounting, Insights, and Workflow Orchestration.

The ideal candidate

• You have over 8 years of software engineering experience, with at least 3 years successfully managing multiple engineering teams simultaneously in high-growth environments.
• You possess a proven track record of scaling engineering functions within Series A+ B2B SaaS companies, ideally with experience in distributed systems and cloud architecture.
• You are a data-driven leader who is comfortable making decisions with incomplete information and has a history of growing engineering talent at pace.

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

$175K – $220K + Equity

Company Description

Swarm Aero is building the largest swarming UAV network and command-and-control software to mobilize thousands of autonomous assets. Led by veterans from Blue Origin, Airbus, and Boom Supersonic, the team is redefining air power for the U.S. government and military through superhuman autonomous capabilities and novel aircraft design.

Job Description

As a Forward Deployed Engineer at Swarm Aero, you will embed directly with military customers to ensure the technical success of swarming C2 systems. You’ll build critical integrations, debug complex distributed services in austere environments, and write production code that warfighters rely on, bridging the gap between lab-based development and high-stakes operational reality.

Location

Remote

Why this role is remarkable

• Work on a critical national security mission alongside a world-class team with experience from Scaled Composites, Airbus, and Blue Origin.
• Escape the constraints of traditional staging environments by seeing your code deployed in real-world, high-stakes operational contexts and austere locations.
• Take total ownership of technical success for a platform designed to mobilize thousands of heterogeneous autonomous assets simultaneously.

What you will do

• Build and own critical software integrations that bring command-and-control systems to life across diverse hardware configurations and operational contexts.
• Debug complex distributed systems in the field by analyzing logs and network traffic to resolve failures under tight mission timelines.
• Travel domestically and internationally up to 75% to deploy software and feed field-hardened requirements back to the core engineering team.

The ideal candidate

• Possesses 3+ years of professional software engineering experience with strong proficiency in Python, C/C++, Golang, or Java.
• Has a solid understanding of networking fundamentals including NAT, DNS/mDNS, UDP/TCP protocols, multicast, and Linux system administration.
• Is eligible to obtain a U.S. Secret security clearance and is comfortable operating independently in dynamic, unpredictable field conditions.

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

$150k–$200k + Equity

Company Description

Series A digital health startup backed by a16z and Khosla Ventures helping 10M+ seniors

Job Description

Join a mission-driven team as a Senior Full-Stack Engineer building a clinical platform that has already reduced falls in older adults by 46%. You will own the architecture and end-to-end feature development on a React/Python/AWS stack, shipping high-impact products like ML-driven care guidance and EHR integrations to improve healthcare outcomes for millions.

Location

Los Angeles, USA

Why this role is remarkable

• Rare opportunity to join an a16z and Khosla Ventures-backed startup at an inflection point where product-market fit is proven and scaling is the primary focus.
• Direct clinical impact: build technology that significantly reduces injury and hospitalizations for a population of 10 million Medicare members.
• High ownership environment where you will shape technical direction and influence the engineering foundation rather than just executing tickets.

What you will do

• Architect and maintain scalable, HIPAA-compliant components on AWS to power member engagement and clinical messaging workflows.
• Partner with data science and clinical teams to prototype and launch ML-driven personalization and care guidance features.
• Drive technical excellence by mentoring teammates, conducting code reviews, and evolving the platform's design system and infrastructure.

The ideal candidate

• 5+ years of professional experience scaling modern web applications using Javascript (React) and Python on cloud infrastructure.
• Product-minded engineer with a growth mindset who thrives in fast-paced startup environments and can navigate technical ambiguity.
• Strong communicator who possesses deep empathy for older adults and is motivated by improving healthcare accessibility and independence.

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

Not Disclosed + Equity

Company Description

Raya Health is a pre-Series A startup (HF0 W26) building an AI-powered maternal health companion to provide 24/7 guidance and support for mothers during and after pregnancy.

Job Description

As the first dedicated AI hire at Raya Health, you will own the entire AI stack from agents to future SLMs. Working directly with the CTO, you'll design the architecture and data pipelines necessary to support vulnerable users with compassionate, credible AI guidance. This is a high-impact, zero-to-one role in the underserved maternal health space.

Location

Remote, USA

Why this role is remarkable

• Work directly with the CTO (formerly systems engineering at HP and AMD) with zero layers, total ownership, and high visibility.
• Join a mission-driven pre-Series A startup (HF0 W26) at the ground floor to tackle the underserved and growing maternal health market.
• Evolve from building production LLM agents and RAG systems today to training proprietary small language models (SLMs) specifically for maternal health.

What you will do

• Design and build Raya's core AI systems, including RAG-based agents, prompting strategies, guardrails, and evaluation frameworks for sensitive health interactions.
• Architect and implement robust data pipelines to capture high-value maternal health data that will fuel future proprietary model training and improvements.
• Ship end-to-end features, bridging the gap between the user-facing companion experience and the backend AI infrastructure while maintaining HIPAA compliance.

The ideal candidate

• Has 2–4 years of engineering experience with a track record of shipping production-level LLM systems such as agents, RAG, and APIs.
• Possesses a bias for action and the startup DNA required to thrive in a zero-to-one environment with high shipping velocity.
• Demonstrates strong software fundamentals and an interest in growing into deep AI architecture, model fine-tuning, and safety-critical health applications.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Full-Stack TypeScript Engineer

Salary

$165,000 - $220,000 + Equity

Company Description

Outro Health is a mission-driven virtual care startup dedicated to helping people safely taper off antidepressants using the first neurobiology-based method. Led by world-leading expert Dr. Mark Horowitz, the company has established a first-of-its-kind clinical model with meaningful revenue and research partnerships with top health systems.

Job Description

Join Outro Health as engineer #2 to build software that enables patients to safely reduce medication. You’ll partner with the Head of Product to scale a complex clinical care model, moving between patient-facing React Native apps, AI-driven operations, and TypeScript clinical tools while ensuring a unified view of patient health data.

Location

New York, USA

Why this role is remarkable

• Ground-floor opportunity as the second engineer, doubling the technical team and directly influencing the foundational architecture of a category-defining health platform.
• Mission-driven work solving a massive public health challenge led by Dr. Mark Horowitz, the world’s leading expert in neurobiology-based medication tapering.
• High-autonomy environment where you’ll lean into AI tools like Claude and Cursor to maintain a small, high-leverage team with enormous product ownership.

What you will do

• Develop and scale clinical products, including custom clinician tools and AI agents that assist in monitoring patient responses to medication changes.
• Own the end-to-end lifecycle of patient-facing features across web and React Native mobile platforms, from initial design through deployment and clinical iteration.
• Build robust integrations with insurance and data platforms to streamline billing and enable research partnerships with leading universities and health systems.

The ideal candidate

• 3+ years of professional experience as a full-stack engineer with deep expertise in TypeScript, React, and Node.js (Next.js experience is a plus).
• Proven ability to ship products independently and turn ambiguous clinical workflows into clear software models, with a strong focus on data modeling and domain boundaries.
• Systems-minded builder who is excited about leveraging AI tools to accelerate development and has an interest in making complex healthcare systems intuitive for patients.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

AI Developer

Salary

Not Disclosed

Company Description

Innate AI is a UK-based AI transformation consultancy founded by an ex-McKinsey operator that builds and deploys practical AI solutions for businesses. The firm specializes in delivering custom AI agents, RAG/search tools, and full-stack applications that drive real-world operational efficiency and automation across various industries.

Job Description

Innate AI is seeking a contract AI Developer to own the delivery of high-impact AI systems from brief to deployment. You will build AI agents, LLM-powered workflows, and full-stack internal tools with minimal oversight. This role is ideal for independent builders who want to apply McKinsey-style project management to fast-paced technical delivery for real-world clients.

Location

Remote

Why this role is remarkable

• Gain rare exposure to McKinsey-style project management and professional feedback loops while delivering complex technical solutions to high-value business clients.
• Work on a diverse range of cutting-edge projects including autonomous AI agents, advanced RAG systems, and sophisticated n8n workflow automations across major platforms.
• Enjoy total flexibility as a remote, self-employed contractor with the opportunity for rolling project work and first priority for ongoing engagements.

What you will do

• Design and deploy robust AI agents, LLM workflows, and RAG/search systems that integrate seamlessly with client data and existing business processes.
• Build full-stack internal tools and dashboards using React, Next.js, and Python or TypeScript to solve specific client automation challenges.
• Develop and manage APIs, webhooks, and complex n8n automations across tools like Notion, Google, Slack, and various CRM platforms.

The ideal candidate

• Demonstrates a proven track record of shipping real-world projects such as production apps, AI tools, or sophisticated client-facing automations.
• Exhibits mastery of Python, JavaScript, or TypeScript and is highly proficient using AI developer tools like Cursor and Claude Code.
• Possesses a strong ownership mindset, capable of working independently to hit deadlines and communicating technical progress clearly to 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

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

£100k-£120k + Equity

Company Description

Iridium Credit is a London-based fintech, backed by a multi-million-dollar seed round from top US VCs and Entrepreneurs First, automating the $7 trillion US invoice financing market. Founded by veterans from Morgan Stanley and Microsoft, the company builds AI agents that verify invoices for bank-owned lenders processing $100M+ monthly.

Job Description

As the first founding engineer at Iridium Credit, you will build and own production AI agents across browser, voice, and email. Working directly with founders from Morgan Stanley and Microsoft, you'll solve complex verification challenges for bank-owned lenders, architecting reliable systems that process hundreds of millions in monthly invoice value for small businesses.

Location

London, UK

Why this role is remarkable

• Work on a $7 trillion problem building "self-healing" AI agents and voice systems that navigate complex B2B dialpads and portals for bank-owned lenders.
• Backed by a multi-million-dollar seed round from two major US VCs and Entrepreneurs First, with live contracts already processing $100M+ in monthly volume.
• Transition with the company from London to New York in the coming months, with full US visa sponsorship and relocation costs covered by the company.

What you will do

• Design and deploy sub-agent architectures that handle browser automation, CAPTCHAs, 2FA, and real-time voice interactions with accounts payable teams using Python.
• Own features end-to-end as employee number four, making critical architectural decisions across the backend, frontend, and infrastructure to ensure bank-grade system reliability.
• Collaborate directly with lenders and founders to understand commercial context and bridge the gap between technical builds and complex banking compliance requirements.

The ideal candidate

• Strong engineering generalist with deep Python experience and a track record of building reliable systems that work against the messiness of the real-world web.
• Experience with browser automation (Playwright/Puppeteer), AI agents, or production ML, particularly systems requiring high reliability when operating within changing external environments.
• High-growth mindset with the appetite for early-stage startup intensity, ready to step into an engineering lead role within the next twelve months as the team expands.

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, Recommendations

Salary

$190K–$250K + Equity

Company Description

Raya is a profitable, 100-person membership-based social platform for creatives, artists, and cultural leaders. The company focuses on fostering quality, in-person interactions through a curated digital community and is currently building next-generation discovery and personalization features using cutting-edge technologies like Go, Kubernetes, and integrated LLM frameworks.

Job Description

Join Raya as a Senior Backend Engineer to lead the Recommendations team. You will architect and build production ranking services that power how a global community of creatives discover each other. This high-impact role involves integrating AI-driven discovery features and scaling backend infrastructure to enhance meaningful human connections for thousands of members.

Location

Remote

Why this role is remarkable

• Own the core discovery engine of a highly exclusive social platform, directly influencing how thousands of elite creatives and cultural leaders connect globally.
• Join a profitable, 100-person company that offers the stability of a successful business with the fast-paced innovation of a high-growth startup.
• Work with a modern tech stack including Go and Kubernetes, while actively developing and deploying production-level LLM-powered features and AI discovery tools.

What you will do

• Architect, build, and lead key components of Raya’s backend services, specifically focusing on production ranking and recommendation systems.
• Collaborate with cross-functional teams including UX designers and data scientists to ensure personalized discovery features are user-centric and scalable.
• Drive operational excellence across the full SDLC, implementing CI/CD practices and navigating the deployment of machine learning models into production.

The ideal candidate

• Has 6+ years of experience in modern software development with a proven track record of delivering scalable systems using Golang.
• Possesses deep expertise in building and scaling production recommendation systems, ranking algorithms, or personalization features for consumer-facing products.
• Demonstrates a "bias toward shipping" and enthusiasm for emerging AI frameworks, with the ability to iterate quickly in a fast-moving 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

Performance Marketing Manager

Salary

$84k-$144k

Company Description

VC-backed consumer AI startup

Job Description

As the Performance Marketing Manager for a fast-growing consumer tech startup, you will act as the right hand to the Head of Marketing. You will own revenue-driving channels across paid media, retention, and conversion optimization. This is a hands-on role for a generalist who thrives on shipping fast and driving real growth.

Location

San Francisco, USA or Remote

Why this role is remarkable

• Directly impact the growth engine of a high-traction startup backed by top-tier VCs.
• Enjoy high autonomy and ownership over the full marketing funnel, from acquisition to retention.
• Work alongside a fast-moving, quality-obsessed team building category-defining consumer technology.

What you will do

• Own and scale paid media campaigns across Meta, Google, and Amazon to drive global revenue.
• Manage retention channels including email and SMS to maximize customer lifecycle value.
• Build, test, and iterate on landing pages and offers to improve conversion rates and ROI.

The ideal candidate

• 6+ years of performance marketing experience with a proven track record of driving revenue.
• Versatile generalist background in DTC, e-commerce, or consumer tech across multiple channels.
• Bias for action with the ability to execute quickly and independently in a high-growth 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

Account Executive (USA)

Salary

$300k-$340k OTE + Equity

Company Description

Maze is a $57M Series B cybersecurity startup backed by Theory Ventures and Cherry Ventures, building AI agents that automate vulnerability management.

Job Description

Join Maze as a Founding Account Executive to spearhead US sales for our AI-driven vulnerability management platform. You will own the full enterprise sales cycle, from outbound prospecting to closing $100k+ deals. This is a high-impact opportunity to shape the go-to-market strategy for a product already trusted by Fortune 200 companies and high-growth tech firms.

Location

Remote, USA

Why this role is remarkable

• Join the founding US sales team of a company that has raised ~$57M from top-tier investors like Theory Ventures, Cherry Ventures, and Tapestry VC.
• Sell a mission-critical AI solution that solves the vulnerability overload crisis, already deployed in production at Fortune 200 enterprises and high-growth technology firms.
• Work directly with a leadership team that successfully scaled Tessian to acquisition and has veteran experience at major scale-ups like Meta, Amazon, and Elastic.

What you will do

• Execute a full-cycle sales motion from creative outbound prospecting to closing complex enterprise deals exceeding $100k in annual contract value.
• Build and refine the US sales playbook from scratch, establishing Maze’s market presence without the initial support of an SDR team or pre-set playbook.
• Partner with security consultants to articulate how AI agents eliminate false positives and prioritize truly exploitable vulnerabilities for security teams and CISOs.

The ideal candidate

• Possesses 4-5+ years of enterprise closing experience, specifically selling cybersecurity or highly technical security products to practitioners and engineering leaders.
• Proven "pipeline machine" capability, demonstrating the ability to generate self-sourced opportunities through outbound strategies and networking without relying on inbound leads.
• Thrives in early-stage, ambiguous environments where they can transition seamlessly from high-level strategic planning to hands-on technical discovery and solution-based selling.

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 AI Engineer

Salary

$90k-$140k + Equity

Company Description

Charta Health is a Bain Capital Ventures-backed healthcare AI startup founded by ex-Rockset engineers (acquired by OpenAI). They are building the modern operating system for healthcare organizations, leveraging cutting-edge AI to streamline revenue cycles, clinical operations, and administrative workflows for both providers and payers.

Job Description

Join Charta Health as a technical bridge between cutting-edge AI and real-world healthcare providers. You will customize and deploy AI-powered platforms to solve critical operational bottlenecks. This hands-on, client-facing role combines rapid prototyping with high-impact engineering, using LLMs and machine learning to transform how healthcare organizations operate and deliver patient care.

Location

San Francisco and New York City, USA

Why this role is remarkable

• Work directly with founding engineers from Rockset (recently acquired by OpenAI) in a high-growth, mission-driven environment.
• Join a Bain Capital Ventures-backed team reimagining the infrastructure of the healthcare industry from the ground up.
• Experience a unique "Forward Deployed" model where you ship code that solves tangible problems for major healthcare providers immediately.

What you will do

• Collaborate with healthcare clients to identify workflow inefficiencies and design custom AI/ML solutions to address them.
• Rapidly prototype, iterate, and deploy Charta Health’s AI platform to deliver immediate business value to external customers.
• Serve as the technical lead on client sites, integrating LLMs and prompt engineering into production-ready healthcare environments.

The ideal candidate

• Possesses professional proficiency in Python and hands-on experience deploying Large Language Models (LLMs) or ML systems.
• Demonstrates a strong bias toward shipping functional code and delivering business value over solving purely theoretical research challenges.
• Exhibits excellent communication skills and emotional intelligence, thriving in ambiguous, client-facing environments where technical problem-solving is paramount.

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.

Title:
Lead Software Engineer at Anima - YC-backed HealthTech

Job Title

Lead Software Engineer

Salary

Not Disclosed

Company Description

Anima - YC-backed HealthTech startup

Job Description

Join a high-velocity team building the future of personalized medicine through a proprietary active learning architecture. As a Lead Engineer, you will own critical product features end-to-end, leveraging a serverless AWS stack and TypeScript to ship life-saving tools for medical teams and patients while navigating novel technical challenges in deep phenotyping.

Location

Remote

Why this role is remarkable

• Work alongside an elite technical team including YC founders and Cambridge MB/PhDs who have built self-driving vehicles and acoustic deep learning systems.
• Ship at incredible speed on a highly scalable, zero-ops serverless architecture that handles thousands of medical channels and real-time patient data processing.
• Contribute to a mission-critical platform that predated the vertical AI craze, utilizing a 2021 patent on active reinforcement learning for clinical excellence.

What you will do

• Architect and deploy type-safe, full-stack applications using TypeScript, React, and Angular across both clinical and patient-facing web environments.
• Lead the end-to-end delivery of complex product features, from initial conception through to production on AWS Lambda, DynamoDB, and SQS infrastructure.
• Optimize user experience and interface safety through disciplined version control, CI/CD practices, and dimensionality reduction at system interfaces.

The ideal candidate

• Possesses expert-level proficiency in TypeScript and the Node.js ecosystem with a pragmatic approach to technical debt and tool selection.
• Demonstrates a relentless track record of shipping production-grade software and navigating ambiguity to solve complex algorithmic problems from first principles.
• Exhibits deep hands-on expertise in serverless cloud architecture (AWS) and a drive to master new technologies to solve high-impact healthcare 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

Product Engineer - Enterprise

Salary

$175K - $275K + Equity

Company Description

WorkOS, Inc. is a $2B Series C developer tools company building modern APIs to make software enterprise-ready. Backed by $100M from Meritech and Sapphire, WorkOS, Inc. powers critical identity and access infrastructure for industry leaders like OpenAI, Vercel, and Plaid.

Job Description

Join the Enterprise team at WorkOS, Inc. to build high-impact products like SSO, Directory Sync, and RBAC. You will design elegant APIs and developer experiences that simplify complex enterprise requirements for the world’s fastest-growing companies. This role offers the opportunity to work directly with leadership on greenfield ideas while scaling mission-critical infrastructure.

Location

Remote, USA & Canada

Why this role is remarkable

• Build the infrastructure that powers the AI revolution, serving top-tier customers like OpenAI, Cursor, and Perplexity.
• Join a highly successful Series C company valued at $2B with strong backing from elite investors like Meritech and Greenoaks.
• Ship high-leverage product features that solve deep technical challenges at the intersection of developer experience and enterprise security.

What you will do

• Engineer delightful developer and end-user experiences for core products like RBAC, FGA, and Audit Logs.
• Design well-structured internal and external APIs that balance high scalability with an intuitive, pluggable developer experience.
• Collaborate directly with leadership to explore and build greenfield ideas that drive the future of the WorkOS platform.

The ideal candidate

• Has 5+ years of software development experience with a track record of building clean, simple architectures for complex problem spaces.
• Proficient in modern full-stack development, specifically using TypeScript, React, and Postgres to build scalable SaaS products.
• Possesses strong product intuition and the ability to translate fragmented customer needs into prioritized, well-designed technical action items.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Senior Backend Engineer

Salary

Not Disclosed

Company Description

Casa is a $27M Series A startup building the operating system for homeownership, backed by Forerunner Ventures, Sandberg Bernthal Venture Partners, and Travis Kalanick.

Job Description

As the founding Senior Backend Engineer at Casa, you will design and build the core systems powering a high-touch home management experience. From architecting APIs for the iOS app to managing complex data models for home inventory, you will define the technical foundation for a product with 96% retention and significant traction.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with ex-Uber and CloudKitchens founders as the first backend hire to shape the architecture of a $27M Series A startup from the ground up.
• Join a high-growth company with incredible product-market fit, boasting a 96% retention rate and backing from top-tier investors like Forerunner and Travis Kalanick.
• Build a product with real-world impact, moving beyond digital tools to manage physical infrastructure and logistics for homeowners through innovative 3D digital twins.

What you will do

• Design and implement the core backend APIs and infrastructure that coordinate a complex network of concierges, in-house handymen, and third-party vendors.
• Develop robust data models for home inventory and appliance tracking, ensuring every serial number and digital twin attribute is precisely managed.
• Collaborate with founders to establish engineering culture, setting the standards for testing, performance, and reliability across the entire backend stack.

The ideal candidate

• Proven track record as an early engineer at a venture-backed startup, demonstrating the ability to ship high-quality products in fast-paced, ambiguous environments.
• Expertise in designing clean, testable, and scalable backend systems and APIs that serve as a reliable foundation for mobile and web applications.
• Located in or willing to relocate to San Francisco to work shoulder-to-shoulder with a high-trust team dedicated to improving the lives of homeowners.

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

AI Product Engineer

Salary

$150k-$250k + Equity

Company Description

Crux is a $77M-funded capital platform for the clean energy economy, backed by Andreessen Horowitz and Lowercarbon Capital. The firm modernizes capital deployment for sustainable infrastructure, having facilitated billions in transactions and achieved profitability while scaling its AI-forward engineering team to accelerate the global transition to clean energy.

Job Description

As the first AI Product Engineer at Crux, you will bridge the gap between engineering, legal, and finance to revolutionize clean energy transactions. You will design and ship user-facing LLM products from scratch, building the frameworks for automated diligence and complex financial workflows that power the future of sustainable infrastructure.

Location

Remote, USA

Why this role is remarkable

• Join a high-growth fintech that is already profitable and has facilitated billions of dollars in clean energy transactions over just two years.
• Be the first dedicated AI hire with massive ownership over the AI stack, picking your own tools and frameworks to build 0->1 products.
• Work at a mission-driven company backed by elite investors like a16z and QED, operating at the intersection of climate tech and finance.

What you will do

• Collaborate directly with customers and legal teams to co-design and build AI-powered diligence tools for clean energy financing.
• Architect and ship end-to-end full-stack features using NextJS, React, and Typescript, while iterating on LLM performance through CI/CD evals.
• Establish the engineering culture and internal frameworks for how Crux develops, tests, and deploys high-quality AI products at scale.

The ideal candidate

• 4+ years of full-stack experience with the ability to build products end-to-end, ideally with fluency in the NextJS, React, and Typescript stack.
• Proven track record of shipping user-facing LLM products and AI agents, with a deep understanding of prompting and iterating via evals.
• Startup veteran who thrives in fast-paced environments, possesses an 80/20 mindset, and can move from concept to execution in half the usual 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

Platform Engineer

Salary

£90K - £160K + Equity

Company Description

Omnea is an AI-native procurement platform that has raised $75M from Khosla Ventures, Insight Partners, and Accel to transform enterprise buying. We’ve 10x’d our ARR in 18 months and are recognized as the 4th fastest-growing startup in Europe, serving global giants like Spotify, MongoDB, and Monzo.

Job Description

As a Platform Engineer at Omnea, you will own the infrastructure and developer experience underpinning a fast-scaling enterprise platform. You'll evolve AWS serverless architectures, optimize CI/CD pipelines with Pulumi, and strengthen observability. Joining a team of elite engineers, you’ll ensure reliability as the company scales 10x to serve global leaders like Spotify and Monzo.

Location

London, UK

Why this role is remarkable

• Join the 4th fastest-growing startup in Europe, backed by $75M from premier VCs like Khosla Ventures, Insight Partners, and Accel.
• Work on a high-leverage platform owning the end-to-end infrastructure for a product trusted by global enterprises like Spotify, MongoDB, and Monzo.
• Shape a career-defining opportunity within an elite engineering culture led by founders who previously scaled and exited the cybersecurity unicorn Tessian.

What you will do

• Design and evolve AWS serverless architecture using Lambda, DynamoDB, and EventBridge to support 10x growth and multi-region high availability.
• Build and maintain robust CI/CD pipelines using GitHub Actions and Infrastructure-as-Code with Pulumi to enable safe, multi-daily deployments.
• Improve developer experience by building internal tooling and automated observability frameworks with Datadog to eliminate friction for product teams.

The ideal candidate

• Brings 5+ years of platform engineering experience in high-growth, cloud-native SaaS environments with a strong bias for action.
• Possesses deep expertise in AWS serverless ecosystems and Infrastructure-as-Code, specifically writing clean, production-ready TypeScript code.
• Demonstrates a developer-first mindset, treating engineers as customers by automating toil and improving feedback loops at every stage.

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, Member Experience

Salary

Not Disclosed

Company Description

Raya is a private, membership-based social networking and dating app for an exclusive creative community. Operating as a remote-first organization of over 110 employees, Raya focuses on quality over scale, fostering meaningful human connections through high-growth technology and a discerning, world-class membership base.

Job Description

Join Raya's backend team to build and scale the services powering subscriptions and social features for an exclusive creative community. You will take ownership of core systems using Node.js and TypeScript, specifically managing the subscription lifecycle via Apple StoreKit. This high-impact role offers autonomy in a fast-moving, remote-first environment.

Location

Remote

Why this role is remarkable

• Shape the experience for an exclusive global community of creatives within a private, high-growth social network.
• Enjoy exceptional benefits including a $50 daily meal stipend, unlimited vacation, and a $1,000 annual travel grant to explore new places.
• Work in a remote-first culture that prioritizes technical excellence, autonomy, and meaningful human connection over mindless scaling.

What you will do

• Architect and lead the development of backend services using Node.js and TypeScript to support member-facing social features.
• Manage the end-to-end subscription lifecycle, including server-side receipt validation and purchase verification through Apple StoreKit and Apple Pay.
• Collaborate with cross-functional teams of designers and data scientists to ensure scalable, user-centric solutions that enhance the member experience.

The ideal candidate

• Possesses over 6 years of hands-on experience building and scaling production backend systems in fast-paced startup environments.
• Demonstrates mastery of Node.js and TypeScript with a track record of delivering maintainable and high-performance software architecture.
• Has direct experience with Apple StoreKit or Apple Pay on the server side, particularly regarding payment subscriptions for B2C 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

Staff Fullstack Engineer

Salary

$170k-$250k

Company Description

Playlab AI is a mission-driven tech non-profit building an open-source platform that empowers over 60,000 educators to create custom, no-code AI applications for their classrooms. Backed by a high-impact mission, they provide teachers with the tools to build tailored learning experiences without needing a team of engineers.

Job Description

Join a high-impact, fully remote team as a Staff Fullstack Engineer to push the boundaries of AI-native interfaces. You will architect and build the core no-code app builder, enabling educators to design sophisticated AI agents and interactive learning experiences. This hands-on role is critical for democratizing AI technology within global education systems.

Location

Remote

Why this role is remarkable

• Lead the development of a platform already used by 60,000+ educators to transform classroom learning through accessible, no-code AI tools.
• Join a lean, high-agency team of 10 engineers where your architectural decisions directly shape the future of open-source AI in education.
• Work at the cutting edge of AI interaction, building dynamic components that adapt from writing editors to autonomous AI agents in real-time.

What you will do

• Architect and ship end-to-end subsystems using TypeScript, Remix, and Node.js, managing everything from database schema design to complex frontend interfaces.
• Design and implement the core application builder, allowing educators to create sophisticated AI apps and agents using natural language and collaborative tools.
• Build deep integrations with major educational platforms like Google Workspace and Canvas LMS to ensure seamless deployment in diverse classroom environments.

The ideal candidate

• Has 7+ years of experience building production-scale web applications with modern React frameworks like Remix and Node.js backend services.
• Demonstrates proven experience shipping AI-powered features, including LLM integrations, streaming interfaces, and real-time collaboration using WebSockets or CRDTs.
• Exhibits staff-level engineering leadership with a history of mentoring teams and driving strategic technical decisions in high-growth or mission-driven 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

Graduate Software Engineer - Backend

Salary

£45k + Equity

Company Description

Riff Financial is a pre-launch UK fintech backed by Passion Capital and SFC building the country's first autonomous savings agent.

Job Description

You will join a high-growth fintech startup to build the core financial infrastructure for an autonomous savings agent. Working directly with an experienced CTO, you will develop the money-movement engine, ledger, and APIs using Java and Spring on AWS, ensuring your code reaches customers and creates immediate impact.

Location

Remote, UK

Why this role is remarkable

• Work directly under a CTO who has successfully built and sold fintech companies, offering elite mentorship and deep technical guidance.
• Join a pre-launch team backed by top-tier investors like Passion Capital and SFC, building core financial infrastructure from the ground up.
• Impact a product from day one that solves the massive problem of idle money by automating savings for consumers nationwide.

What you will do

• Build and test backend services in Java/Spring on AWS to power the core savings agent technology.
• Architect and maintain event-driven systems using Kafka and event sourcing as you develop the money-movement engine.
• Write clean, well-tested code for APIs and ledgers, taking direct feedback through code reviews from the founding technical team.

The ideal candidate

• Solid Java fundamentals acquired through a CS degree or rigorous self-taught experience, with a focus on clean, correct code.
• Proven track record of building things independently, demonstrated through side projects, hackathons, or open-source contributions.
• UK-based professional with the right to work in the UK and a strong desire to learn the nuances of payments and fintech.

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 Retail Sales

Salary

£70k–£90k + Equity

Company Description

Well-funded dental healthtech startup

Job Description

You will spearhead the retail expansion of a cutting-edge dental technology brand across the UK. Responsible for securing and managing key accounts with major pharmacy and grocery retailers, you will drive market penetration for innovative oral care products. This role combines strategic account management with hands-on growth in a fast-paced environment.

Location

London, UK

Why this role is remarkable

• Lead the retail strategy for a disruptive category-leading healthtech product.
• Backed by top-tier VCs and undergoing rapid commercial scaling.
• High-impact leadership role with significant equity and growth potential.

What you will do

• Establish and grow strategic partnerships with major retailers like Boots and Superdrug.
• Develop and execute comprehensive national account plans to maximize brand visibility.
• Collaborate with marketing teams to optimize rate of sale and promotional effectiveness.

The ideal candidate

• Extensive experience managing national accounts within health, beauty, or personal care.
• Proven track record of securing listings with major UK pharmacy and grocery chains.
• Ability to transition effectively from large FMCG environments to challenger brand 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

Backend Engineer

Salary

$110K–$160K + Equity

Company Description

Fast-growing consumer AI startup

Job Description

As a Backend Engineer, you will build and scale the systems powering a revolutionary AI-driven hardware device. You'll own the development of real-time transcription pipelines, intelligent APIs, and robust cloud infrastructure using Node.js and TypeScript. This role offers high ownership and the chance to impact a rapidly scaling consumer product used worldwide.

Location

San Francisco, USA / Remote

Why this role is remarkable

• Work on a market-leading AI hardware product backed by top-tier venture capital firms.
• High-trust environment with direct founder access and the ability to influence company-wide technical strategy.
• Exceptional traction with significant recurring revenue and a rapidly expanding global user base.

What you will do

• Design and optimize RESTful APIs and PostgreSQL schemas to support high-scale real-time data processing.
• Manage and scale AWS infrastructure including ECS, RDS, and Lambda functions for transcription and sync pipelines.
• Implement real-time capabilities via WebSockets and maintain robust CI/CD pipelines using Docker and GitHub Actions.

The ideal candidate

• At least 2 years of professional backend experience with Node.js, TypeScript, and database optimization.
• Hands-on expertise in AWS services and building scalable, secure cloud-native architectures.
• A high-ownership mindset with experience shipping clean, observable code in a fast-paced 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

Fullstack Design Engineer

Salary

$140k-$190k + Equity

Company Description

Blaxel is a YC X25 company backed by First Round building the cloud infrastructure for autonomous AI agents. Founded by repeat founders who previously sold ForePaaS to OVHcloud, the team is creating the sandbox, memory, and networking layers necessary for AI agents to operate effectively in production environments.

Job Description

Join Blaxel as a founding design engineer to own the product experience end-to-end. You will design and ship the interfaces for a new category of cloud computing built for both humans and AI agents. Working in San Francisco, you’ll leverage AI tools to move from concept to production-ready React code at lightning speed.

Location

San Francisco, USA

Why this role is remarkable

• Shape a new product category by designing interfaces that serve both human users and autonomous AI agents directly.
• Join a high-growth startup with near-zero churn and strong revenue traction from AI agents already using the platform.
• Work directly with experienced repeat founders in a high-autonomy environment where your designs land in production immediately.

What you will do

• Own the Blaxel Console experience from initial exploration and polished UI design to merging production-ready PRs.
• Leverage AI coding tools as your implementation engine to translate designs into a high-quality TypeScript and React codebase.
• Proactively monitor how agents and humans interact with the platform to iterate on UX patterns and foundational design systems.

The ideal candidate

• Possesses exceptional design taste and craft, with an obsessive eye for detail in spacing, motion, and interaction patterns.
• Demonstrates strong technical proficiency in front-end fundamentals, including TypeScript, React, and CSS, to own a production codebase.
• Operates as a mini design founder with high ownership, AI fluency, and the ability to solve user problems independently.

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 Head of Channel Partnerships

Salary

$240K-$280K OTE + Equity

Company Description

Hyperbound is a YC S23-backed startup that recently raised a $15M Series A led by Peak XV to build the industry's first agentic OS for sales. As the inventors of AI sales roleplay, Hyperbound helps enterprise teams at companies like IBM, LinkedIn, and Bloomberg practice and scale top-performer behaviors.

Job Description

As the Founding Head of Channel Partnerships at Hyperbound, you will build the channel revenue engine from the ground up. You will own commercial relationships with sales training partners, formalize affiliate programs, and leverage marketplaces like Salesforce AppExchange. This IC role carries founder-level scope, requiring you to design the playbook and close high-impact deals.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-growth YC S23 breakout that 5x'd ARR last year and is currently growing 20% month-over-month following a $15M Series A.
• Partner with a world-class customer base including IBM, LinkedIn, and Notion who rely on Hyperbound to reshape their enterprise sales organizations.
• Take on a true founding role with the autonomy to build a core revenue pillar from zero, including designing commercial models and scaling partner ecosystems.

What you will do

• Source and close new channel partnerships across sales training organizations, platform ecosystems, and revenue tech marketplaces like Salesforce and Outreach.
• Design and operationalize commercial models including margins, rep compensation, and deal registration workflows using tools like PartnerStack and Crossbeam.
• Lead partner enablement end-to-end by building differentiation materials, training partner teams, and providing strategic air cover on complex deal rescues.

The ideal candidate

• 5+ years of experience in channel sales, business development, or partnerships with a proven track record of driving sourced revenue in B2B SaaS.
• Direct experience building or scaling a partner program at an early-stage startup, ideally within the sales tech or revenue intelligence sectors.
• High-agency IC mindset with the ability to create your own decks, write enablement documentation, and run QBRs independently without needing immediate headcount.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$140K - $250K + Equity

Company Description

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

Job Description

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

Location

San Francisco, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

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

Head of Marketing

Salary

£100k-£120k + Equity

Company Description

Octopus Ventures and Notion Capital-backed human performance startup building the category of stress intelligence

Job Description

You will own the end-to-end marketing function for a high-growth startup redefining stress as a performance advantage. Reporting to the CEO, you will lead category creation, demand generation, and product marketing to scale a science-validated platform already delivering 5x ROI for global enterprises like Arm and Cantor Fitzgerald.

Location

London, UK / US East Coast

Why this role is remarkable

• Create a brand-new category in "stress intelligence," backed by a scientific advisory board from Harvard and Stanford and high-profile investors like Arianna Huffington.
• Join a mission-driven leadership team with pedigree from Google and Deliveroo that genuinely prioritizes internal wellbeing as a core operational value.
• High-impact ownership of a validated product achieving 90% productivity improvement and 5x ROI across a blue-chip enterprise client base.

What you will do

• Define and execute the global marketing strategy and OKRs, managing a lean team to drive brand authority and a systematized inbound pipeline.
• Lead the product marketing and GTM strategy for AI-driven features, translating complex clinical research into compelling narratives for CHRO and CFO audiences.
• Build a high-authority brand presence through executive thought leadership, top-tier PR placements, and an international roundtable program for HR leaders.

The ideal candidate

• 8-14 years of marketing experience with a proven track record of building B2B SaaS marketing functions from the ground up in high-growth environments.
• Demonstrated expertise in category creation, with the ability to coin new market narratives and communicate comfortably using the language of clinical research.
• An AI-native demand generation expert who has owned pipeline targets and built the full-funnel collateral necessary to support enterprise sales cycles.

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:
Head of Customer Success (£90k-£110k + Equity) at Fast-growing digital health platform

Job Title

Head of Customer Success

Salary

£90k-£110k + Equity

Company Description

Fast-growing digital health platform

Job Description

You will lead the entire post-sales journey for the UK’s leading digital pharmacy network, unifying Customer Success, Account Management, and Onboarding into one high-performance function. Reporting to the CEO, you will build the infrastructure for health scoring and segmentation while personally managing strategic partnerships to drive retention and expansion revenue.

Location

London, UK

Why this role is remarkable

• Take full ownership of the CS playbook at a market-leading scaleup expanding internationally into new markets.
• Direct commercial accountability with a mandate to build and lead a high-impact team of six professionals.
• High-influence leadership role within a well-funded healthtech company that is fundamentally transforming patient care access.

What you will do

• Unify Customer Success, Key Account Management, and Onboarding into a single coordinated function with shared goals.
• Build and execute proactive customer journeys, health scoring, and win-back strategies to maximize renewal rates.
• Personally lead strategic quarterly business reviews and identify expansion opportunities with the company’s most valuable partners.

The ideal candidate

• 10+ years of Customer Success leadership experience, ideally within a B2B SaaS or healthtech marketplace environment.
• Proven track record of building CS operations from scratch, including segmentation frameworks, metrics, and playbooks.
• Strong commercial acumen with the ability to own revenue outcomes and performance-manage teams effectively.

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 Lead

Salary

£120k-£150k + Equity

Company Description

Attio.com is an early-stage tech company building the next generation of CRM for the AI-native era. With an exceptionally high bar for quality and a focus on real-time infrastructure, Attio.com is on an incredible trajectory to reinvent how millions of people work through beautiful, effortless, and powerful software.

Job Description

Attio.com is reinventing the CRM for the AI-native era. As an Engineering Lead, you will balance high-caliber individual contribution with leadership of a focused engineering team. You'll work across the stack to build real-time infrastructure and an effortless frontend, driving technical architecture and product decisions that impact millions of users worldwide.

Location

Remote

Why this role is remarkable

• Join an early-stage tech company on an incredible trajectory, building the foundational infrastructure for AI-native workflows.
• Enjoy a high-trust environment where you lead a talented, small team while maintaining a significant hands-on technical impact.
• Experience a culture that prizes rigour and quality, supported by top-tier benefits and memorable global team off-sites.

What you will do

• Build and ship end-to-end features using a modern stack including Node.js, TypeScript, Go, GCP, and React.
• Recruit, mentor, and grow a top-class engineering team responsible for a critical area of the Attio.com product.
• Design and evolve a scalable technical architecture to support rapidly increasing user demand and complexity.

The ideal candidate

• Proven experience designing and scaling secure, reliable backend systems or building complex, high-performance frontends.
• Deep technical expertise in Node.js, TypeScript, Go, or React, coupled with strong knowledge of modern cloud architectures like GCP.
• Demonstrated aptitude for leadership, with the ability to communicate complex technical ideas and influence product-wide decisions.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$150k-$180k + Equity

Company Description

Mission-driven AI healthtech startup

Job Description

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

Location

New York, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Commercial Co-Founder

Salary

Not Disclosed

Company Description

Well-funded climate tech venture

Job Description

Partner with a technical founder to build and scale a high-impact climate tech startup from inception. You will lead commercial strategy, customer discovery, and fundraising for a breakthrough circular economy platform. This role offers a unique opportunity to shape the commercial trajectory of a science-led venture backed by a global venture creator.

Location

Remote

Why this role is remarkable

• Join a high-impact venture at the earliest stage as a majority-equity co-founder.
• Backed by a top-tier venture creator with a proven track record of scaling deep-tech companies.
• Strategic pre-seed capital and structured support provided to de-risk the zero-to-one journey.

What you will do

• Lead customer discovery and validate market demand to secure early commercial proof points.
• Build strategic partnerships across the supply chain, including suppliers, distributors, and brand owners.
• Own the fundraising process and investor relations from company formation through Series A.

The ideal candidate

• Proven experience in a 0-to-1 startup environment, ideally as a founder or early commercial leader.
• Strong background in industrial B2B sales, fundraising, and navigating complex regulatory environments.
• Exceptional communicator capable of bridging the gap between deep science and commercial viability.

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, Core Discovery

Salary

Not Disclosed + Equity

Company Description

Raya is a private membership platform valued at nearly $1B following its Series A3, designed for creators, founders, and cultural leaders. With a team of 110 people, Raya builds technology that fosters real-world human connection and high-quality, in-person interactions for its global community of influential members across its iOS-only social platform.

Job Description

As a Senior Backend Engineer on the Core Discovery team, you will lead the development of location-based services and search infrastructure. You'll own the Maps and Directory surfaces end-to-end, building scalable geospatial systems using Node.js and TypeScript. This role is pivotal in helping Raya members discover people and experiences around them.

Location

Remote

Why this role is remarkable

• Ownership of the Maps and Location domain for a platform valued at nearly $1B following a successful Series A3 round.
• Unique opportunity to build high-scale geospatial features that directly facilitate real-world human connection and community for world-class creators.
• Exceptional benefits including a $50/day meal stipend, unlimited vacation, and a $1,000 annual travel stipend to explore new parts of the world.

What you will do

• Architect and lead the development of Core Discovery services, specifically focusing on geo-indexing, proximity queries, and mapping surfaces.
• Collaborate with cross-functional teams of UX designers and data scientists to deliver intuitive, user-focused search and discovery experiences.
• Navigate the full SDLC to ensure operational excellence, implementing CI/CD practices and scalable system designs in a fast-moving environment.

The ideal candidate

• Has 6+ years of backend experience with a proven track record of shipping scalable production systems using Node.js and TypeScript.
• Possesses deep expertise in geospatial data and location-based systems, including experience with geo-indexing and proximity-based queries.
• Demonstrates strong data fundamentals with PostgreSQL, MongoDB, and search infrastructure like Elasticsearch or OpenSearch for consumer-facing 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

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.

===

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

Job Title

Frontend Engineer

Salary

$160K–$250K + Equity

Company Description

Greptile - Benchmark & YC-backed AI code review layer

Job Description

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

Location

San Francisco, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

===

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Founding AI Engineer Intern

Salary

Not Disclosed

Company Description

Frances is a San Francisco-based startup building AI agents that interface with real-world kitchens and customers to automate food preparation and service.

Job Description

Join Frances as a Founding AI Engineer Intern to bridge the gap between bleeding-edge AI agents and physical kitchen operations. You will own core features, shipping scrappy 0→1 products that connect computer-use tooling to real-world environments. This role is for obsessive builders who care about polish, UX, and the tangible impact of their code.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with the founders in San Francisco to define the core product architecture and user experience from the ground up.
• Operate at the bleeding edge of AI agent technology and computer-use tooling, applying these models to complex physical-world environments.
• Experience the full lifecycle of a startup, from deep technical design to visiting customers' homes and cooking to understand product-market fit.

What you will do

• Design and implement end-to-end features that integrate sophisticated AI agents with real-world kitchen hardware and customer interfaces.
• Ship high-quality, polished code rapidly to move from initial prototypes to functional 0→1 products in a fast-paced environment.
• Engage directly with users by testing the product in real-world settings to gain insights that drive technical and product decisions.

The ideal candidate

• Demonstrates an "obsessive builder" mindset with a track record of shipping scrappy, functional 0→1 products in record time.
• Possesses deep technical curiosity and hands-on experience with AI agents, LLMs, and computer-use tooling or robotic automation.
• Combines strong engineering skills with a passion for UX, polish, and a willingness to step outside the codebase to meet users.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Senior Product Engineer / Software Architect

Salary

€50k–€100k + Equity

Company Description

VC-backed urban mobility tech startup

Job Description

Lead the architecture of a seamless transit platform while embracing an AI-first development paradigm. You will own modules end-to-end as a "Captain," utilizing generative AI to accelerate routine tasks while focusing on high-level system design. Build scalable Kotlin backends and modern React frontends within a pragmatic, high-impact engineering culture.

Location

Remote (Europe)

Why this role is remarkable

• True 4-day work week (Fridays off) with full compensation and 100% remote flexibility across European time zones.
• Backed by experienced founders and top-tier investors building sustainable transit infrastructure for hundreds of thousands of users.
• Strategic "AI-First" environment where you use advanced LLMs as a superpower to maximize your architectural and strategic impact.

What you will do

• Act as a "Captain" for your module, owning everything from initial product conception to architecture, implementation, and deployment.
• Build and scale high-performance, event-driven Kotlin backends and Next.js frontends using Google Cloud Platform and Vercel.
• Integrate generative AI tools into the entire development lifecycle to automate testing, prototyping, and routine coding tasks.

The ideal candidate

• Deep expertise in the JVM ecosystem (Kotlin or Java) and experience with modern web frameworks like React and TypeScript.
• Strong architectural mindset focused on event-driven systems, domain-driven design, and scaling complex, business-critical B2B API integrations.
• Proactive "AI-native" workflow, already leveraging LLMs and coding assistants daily to significantly multiply personal engineering and creative output.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Director of Product

Salary

$230k-$290k + Equity

Company Description

Well-funded enterprise automation platform

Job Description

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

Location

New York, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Software Engineer - Core Financial Platform

Salary

$180k-$275k + Equity

Company Description

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

Job Description

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

Location

New York, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Chief Technology Officer

Salary

£100k-£140k + Equity

Company Description

VC-backed B2B marketplace scale-up

Job Description

You will lead the technology strategy for a fast-growing marketplace, scaling the platform and team through a 10x revenue journey. Inheriting a 40-person product and engineering function, you will evolve architecture, implement advanced data and AI capabilities, and partner with the CEO to drive commercial success and operational excellence.

Location

London, UK

Why this role is remarkable

• Lead a 10x growth phase for a marketplace with strong unit economics and a proven business model.
• High-impact executive role balancing board-level strategy with hands-on architectural leadership and team building.
• Well-funded scale-up backed by top-tier VCs with a clear roadmap to becoming a market leader.

What you will do

• Evolve the marketplace platform and architecture to handle massive order volume increases with high reliability.
• Scale the product and engineering organization, including hiring a new leadership layer and improving delivery speed.
• Lead data and AI initiatives for demand forecasting, personalized discovery, and internal operations automation.

The ideal candidate

• Proven experience scaling technology and engineering teams through high-growth cycles in B2B or marketplace businesses.
• Strong technical credibility with the ability to challenge architectural decisions while maintaining a commercial operator's mindset.
• Hands-on experience with applied AI and data platforms to drive measurable business outcomes and operational efficiency.

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 AI Engineer

Salary

Not Disclosed

Company Description

Well-funded Series A consumer AI startup

Job Description

Build and scale a high-traffic interactive content platform using AI-driven workflows. As an early hire, you will own features end-to-end across the full stack, from ideation to production. Join a small, elite team of industry veterans building the next generation of social media and creator tools for millions of users.

Location

Remote

Why this role is remarkable

• Join an elite team of consumer-social veterans building an AI-powered platform used by millions of people to create and share interactive content.
• Work in a truly AI-native environment where development is accelerated by agentic workflows and advanced coding tools to ship at incredible speeds.
• Enjoy high ownership and impact at a well-funded Series A startup backed by premier venture capital firms in the consumer and AI space.

What you will do

• Design and ship user-facing features end-to-end using a modern stack including Next.js and Python, focusing on high-impact consumer experiences.
• Integrate and experiment with cutting-edge AI models and agentic workflows to automate development and enhance product capabilities.
• Partner directly with founders and product leads to translate ambitious ideas into polished, production-ready features for a global audience.

The ideal candidate

• Proven experience building and shipping consumer-facing products at scale with a focus on frontend, backend, and product-led engineering.
• Demonstrated proficiency in an AI-first development workflow, using tools like AI coding assistants and agents to maximize productivity.
• Highly entrepreneurial mindset with the ability to move fast, debug complex production issues, and take full ownership of feature lifecycles.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Forward Deployed Software Engineer

Salary

$140K - $200K + Equity

Company Description

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

Job Description

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

Location

New York, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Finance & Consulting Expert (AI Training)

Salary

$60-$130/hr

Company Description

Venture-backed AI evaluation platform

Job Description

You will train and evaluate advanced AI models on complex business logic, financial modeling, and strategic reasoning. This involves creating high-standard professional materials, defining evaluation rubrics, and judging model outputs. You will help bridge the gap between human expertise and machine intelligence, ensuring AI systems meet the rigorous standards of top-tier professional services.

Location

Remote (Global)

Why this role is remarkable

• Influence the development of next-generation AI models by applying high-level expertise to complex financial and strategic tasks.
• Benefit from a fully remote, asynchronous engagement backed by top-tier venture capital, offering professional flexibility and competitive pay.
• Join an elite network of professionals from prestigious backgrounds dedicated to elevating the quality and reasoning of AI outputs.

What you will do

• Develop expert-level prompts and gold-standard answers for corporate finance, strategy, and valuation tasks to train AI models.
• Create and review sophisticated PowerPoint presentations and financial documents to establish high-quality benchmarks for model performance.
• Evaluate AI-generated outputs against detailed rubrics, providing structured written feedback to improve model reasoning and accuracy.

The ideal candidate

• Has 3+ years of experience in management consulting, investment banking, private equity, or high-standard corporate finance environments.
• Demonstrates exceptional hands-on PowerPoint skills and the ability to translate complex data into clear, decision-useful visual narratives.
• Possesses strong analytical judgment and the ability to articulate precise professional standards in structured, fluent written English.

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

Not Disclosed

Company Description

Drafter Inc. is a high-intensity startup building an AI manufacturing copilot that automates GD&T drawing creation from CAD models. Powering the bridge between design and production for complex hardware, Drafter Inc. serves over 50,000 engineers and operates on AWS GovCloud to meet rigorous CMMC and FedRAMP High security standards.

Job Description

Join Drafter Inc. to build the software infrastructure for the world's most complex hardware. You'll develop end-to-end features spanning CAD visualization, geometry processing, and secure cloud systems. This role moves beyond CRUD apps, challenging you with computational geometry and ML pipelines that reduce drawing time by 96% for engineers at NASA and SpaceX.

Location

Remote

Why this role is remarkable

• Solve deep technical challenges at the intersection of AI and physical manufacturing, moving beyond standard SaaS into computational geometry and CAD kernel integration.
• Join a high-talent-density team with a massive reach of 50,000+ engineers and a readership including professionals from SpaceX, Tesla, and Apple.
• Ship high-impact software that touches real-world systems, operating in a high-ownership environment where you can see your code directly accelerate the production of complex hardware.

What you will do

• Build and own features end-to-end across a platform involving 3D CAD visualization, intelligent geometry processing, and robust cloud infrastructure.
• Pipeline complex CAD data through machine learning models to generate automated, compliant GD&T suggestions for manufacturing engineers.
• Collaborate with computational geometry specialists to develop high-performance web-based tools that handle intricate 3D models and automated tolerance analysis.

The ideal candidate

• Proven track record in high-talent-density engineering environments like Palantir, SpaceX, Stripe, or Figma, where software interacts with complex physical or data systems.
• Expertise in full-stack development with a desire to tackle deep domain problems like 3D rendering in browsers and secure infrastructure for government-grade security.
• Strong sense of ownership and the ability to ship rapidly in a small, intense, remote team focused on building foundational tools for mechanical engineering.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$130K - $170K + Equity

Company Description

Arzana is a YC P26 startup building the autonomous operating system for US manufacturers, integrating AI agents into an ERP back-office to automate quoting, ordering, and logistics.

Job Description

As a Founding Engineer at Arzana, you will build agentic pipelines that automate critical manufacturing workflows. You’ll develop multi-step VLM and RAG systems to process terabytes of customer data, working directly with the founders to transform legacy industrial processes into high-efficiency software systems in an intense, high-growth, 75% MoM growth environment.

Location

San Francisco, USA

Why this role is remarkable

• Join a YC P26 company growing 75% month-over-month, tackling the massive technical challenge of automating US manufacturing at scale.
• Work on a cutting-edge stack involving VLM extraction from CAD files, gradient-walk prompt optimization, and complex multi-agent reasoning systems.
• Experience true founding-level ownership with the ability to influence product direction, architecture, and team culture from day one alongside the CEO.

What you will do

• Architect and deploy multi-step agentic pipelines using Python, Supabase, and GCP to automate complex back-office manufacturing tasks and external integrations.
• Develop RAG systems and VLM extraction tools to process TB-scale data, including CAD files, PDFs, and ERP exports for autonomous onboarding.
• Collaborate directly with the CEO to define the product roadmap and translate human business workflows into reliable chains of extraction and action.

The ideal candidate

• Strong engineering fundamentals with experience (or strong interest) in taking agent-based products or LLM workflows from prototype to production.
• Resilient, high-ownership mindset comfortable with a 70-80 hour work week and an intense 6-day in-person schedule in San Francisco.
• US Citizenship is strictly required due to ITAR compliance, ideally with a background in manufacturing environments or complex system integrations.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Senior AI Engineer

Salary

$169k-$200k + Equity

Company Description

Talkspace, Inc. is a publicly traded leader in online behavioral healthcare that has served over two million users. Through its lean Sentia AI team, the company is building tee.care, an autonomous multi-agent system designed to provide adaptive, long-term mental health guidance by combining Large Language Models with reinforcement learning.

Job Description

Join the Sentia AI team at Talkspace, Inc. to design and scale tee.care, an autonomous behavioral health guide. You will own the reinforcement learning domain, developing adaptive intervention strategies that optimize for real patient wellbeing. Working in a high-stakes, mission-driven context, you’ll bridge advanced AI reasoning with scalable, ethical, and empathetic user interactions.

Location

Remote, USA

Why this role is remarkable

• Own a complete technical domain: You will lead the reinforcement learning strategy for tee.care, covering both classical behavioral interventions and modern RLHF/alignment work.
• High-impact mission: Build autonomous systems that directly improve mental health outcomes for millions, working at the intersection of AI safety, ethics, and behavioral economics.
• Startup speed with public scale: Join a lean, four-person "Sentia AI" squad within a publicly traded company, offering significant equity and rapid development cycles.

What you will do

• Design and implement multi-agent architectures for tee.care, including cognitive planning modules, memory/retrieval systems, and complex tool-use orchestration.
• Apply advanced reinforcement learning (RL) and control theory to develop adaptive, long-term intervention strategies that maximize positive user health outcomes.
• Orchestrate LLM fine-tuning and deployment pipelines, focusing on empathetic communication, reasoning quality, and real-time production monitoring for behavioral drift.

The ideal candidate

• Has 5+ years of production software experience with at least 3+ years specifically implementing and deploying autonomous systems or complex machine learning models.
• Demonstrates deep expertise in Reinforcement Learning (RL), including reward modeling, PPO/DPO, and building robust simulation environments for agent policy testing.
• Possesses mastery of Python and MLOps, with a proven track record of shipping maintainable, high-availability code within cloud-native (AWS/GCP) and containerized 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.

Title:
Full Stack Engineer (€100K–€160K + Equity) at Maze - AI-native Cybersecurity Startup

Job Title

Full Stack Engineer

Salary

€100K–€160K + Equity

Company Description

Maze - Series A cybersecurity startup backed by Theory Ventures and Cherry Ventures

Job Description

Maze is revolutionizing cybersecurity by building AI agents that autonomously investigate and resolve cloud vulnerabilities. As an early Full Stack Engineer, you will own the end-to-end product experience from React UIs to Python APIs. You'll join an elite team of Big Tech veterans to build high-impact, AI-native solutions for Fortune 200 customers.

Location

Remote, Europe

Why this role is remarkable

• Significant technical ownership with your own API layer, allowing for rapid deployment without dependencies or blockers while shaping the future of AI in security.
• Strong financial backing with $31M total raised from top-tier investors like Theory Ventures and a founding team with a track record of successful IPOs and acquisitions.
• Opportunity to build an AI-native product from the ground up using a modern, carefully selected tech stack including FastAPI, TanStack, and Temporal.

What you will do

• Lead the development of end-to-end features, from crafting intuitive React/TypeScript interfaces to implementing scalable backend services in Python.
• Design and optimize performant REST APIs that power complex security workflows and integrate seamlessly with autonomous AI agents.
• Collaborate directly with leadership to establish engineering standards and influence architectural decisions as the platform scales to support global enterprises.

The ideal candidate

• 6+ years of professional full-stack experience with deep expertise in React, TypeScript, and building production-grade RESTful APIs.
• Proven track record in B2B SaaS environments with a strong intuition for database performance and query optimization at scale.
• Startup-ready mindset with a bias for action, capable of navigating ambiguity and delivering high-quality code at high velocity.

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.

Job Title

Full-Stack Engineer

Salary

Equity Only

Company Description

Rebase is building an AI Operating System for the enterprise, deploying autonomous agents that operate within complex, legacy environments—such as decades-old ERPs and homegrown databases—to automate work end-to-end.

Job Description

You will build the foundational infrastructure and interfaces for Rebase, an AI Operating System designed for complex enterprise environments. Working across the full TypeScript stack, you'll develop autonomous agents that operate within legacy systems while ensuring data remains secure and traceable. This is a high-impact, founding-level role focused on solving hard engineering challenges.

Location

USA or UK (Hybrid)

Why this role is remarkable

• Work on a founding-level opportunity building "Private AI for Work," tackling the technical debt and legacy systems that modern AI tools usually cannot reach.
• Join an ambitious team at the ground floor with significant ownership of the product roadmap and direct influence on company direction through heavy equity.
• Build actual autonomous agent infrastructure that performs deep, traceable work in regulated environments, moving beyond simple AI wrappers to solve real-world enterprise problems.

What you will do

• Develop and ship end-to-end features using TypeScript, React, Node.js, and PostgreSQL to support autonomous agent operations within customer infrastructure.
• Architect and build secure APIs and interfaces that allow AI agents to interact with decades-old ERPs, homegrown databases, and regulated legacy systems.
• Collaborate on AI infrastructure, implementing RAG pipelines and LLM integrations that prioritize fact-grounding and traceability for enterprise B2B customers.

The ideal candidate

• Brings 3–5 years of experience shipping enterprise B2B products end-to-end, with a proven ability to manage complex UI, backend, and database architectures.
• Possesses deep proficiency in the TypeScript ecosystem (React, Node.js) and PostgreSQL, ideally with experience in high-growth startups and Next.js or GraphQL.
• Has hands-on experience building production-grade AI infrastructure, including autonomous agents or ML pipelines, rather than simple API wrappers.

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

Founder Associate

Salary

Not Disclosed + Equity

Company Description

VC-backed renewable energy platform

Job Description

Support a seasoned founder in scaling a decentralized energy transition vehicle focused on the German commercial market. You will own critical workstreams across project finance, financial modeling, and legal structuring for solar and storage assets. This is a high-impact, entrepreneurial role with significant equity upside and a path to a full-time leadership position.

Location

Remote, Europe

Why this role is remarkable

• Join a live operation with proven product-market fit and a massive, pre-secured project pipeline in the energy transition space.
• Work directly with a founder who has successfully deployed significant capital into decentralized energy projects across Europe.
• Massive equity potential and the chance to transition into a core leadership role as the platform scales rapidly.

What you will do

• Build and maintain complex financial models for solar PV, battery storage, and EV charging assets, including IRR and leverage analysis.
• Draft and iterate on commercial term sheets, investor pitch materials, and data rooms for infrastructure financing and transactions.
• Manage external stakeholders including EPC partners, grid operators, and distribution partners to drive projects toward final investment decisions.

The ideal candidate

• 2-4 years of experience in investment banking, infrastructure private equity, project finance, or a high-growth climate tech startup.
• Native or near-native fluency in German and English, with the ability to navigate German energy regulations and commercial contracts.
• Advanced financial modeling skills and a roll-up-your-sleeves mentality suited for a lean, fast-paced entrepreneurial environment.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

$140k-$220k + Equity

Company Description

Well-funded AI developer tools startup

Job Description

Join a high-growth AI startup building critical infrastructure for modern engineering teams. As a Forward Deployed Engineer, you will bridge the gap between sales and engineering by leading technical deployments, designing complex proof-of-concepts, and shipping production code. You will be the technical voice of the customer, ensuring successful adoption across enterprise environments.

Location

San Francisco, USA

Why this role is remarkable

• Lead high-stakes technical integrations at a talent-dense company that is defining how modern engineering teams build and ship code.
• Work at a fast-growing, well-funded Series A startup backed by top-tier venture capital firms in the heart of San Francisco.
• Experience an intense, high-performance culture where your contributions directly influence the product roadmap and drive significant enterprise-level growth.

What you will do

• Partner with sales teams to lead technical discovery and design bespoke proof-of-concepts for complex enterprise engineering environments.
• Build and maintain production-ready reference implementations while navigating critical security and compliance diligence for large-scale software deployments.
• Act as the technical voice of the customer, translating complex requirements into core features while shipping code against real customer stacks.

The ideal candidate

• Strong proficiency in JavaScript/TypeScript and extensive experience with modern Git workflows and automated CI/CD pipeline management.
• Professional experience in software or DevOps engineering with a deep understanding of enterprise identity systems like SSO and SAML.
• Excellent communication skills with the ability to lead technical discovery calls and translate vague customer needs into functional software 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

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

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

Agentic Engineer

Salary

$160k-$220k + Equity

Company Description

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

Job Description

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

Location

San Francisco, USA

Why this role is remarkable

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

What you will do

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

The ideal candidate

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

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Senior Strategist (Strategic, Creative)

Salary

Not Disclosed

Company Description

Kyra is a profitable, London-based AI-powered influencer marketing platform with £26-£30M revenue and 100% YoY growth. They build proprietary technology tracking 450M+ creator profiles for global clients like Nike, L'Oréal, and H&M, automating the creator lifecycle to reduce campaign workloads by 40% for the world's biggest brands.

Job Description

As a Senior Strategist at Kyra, you will lead the creative and strategic development of platform-native influencer campaigns for global enterprise accounts. You’ll transform brand briefs into compelling narratives across TikTok, Instagram, and YouTube, leveraging proprietary AI insights to drive measurable impact while collaborating cross-functionally to deliver high-performing creator strategies.

Location

London, UK

Why this role is remarkable

• Join a profitable, founder-led company experiencing 100% YoY growth and reaching £26-£30M in revenue.
• Work with a prestigious global client roster including Nike, H&M, L'Oréal, Calvin Klein, and Bvlgari.
• Leverage proprietary AI technology that tracks 450M+ creators, providing a significant technological edge in the influencer marketing space.

What you will do

• Own end-to-end strategic campaign development, from audience profiling and creator casting logic to messaging and performance KPIs.
• Translate brand identities into authentic, platform-native content strategies for TikTok, Instagram, and YouTube that resonate with creator audiences.
• Act as a strategic lead for enterprise accounts, presenting recommendations to senior stakeholders and building high-value client relationships.

The ideal candidate

• 5+ years of marketing strategy experience, specifically within influencer marketing, social media strategy, or creative campaign development at an agency.
• Deep fluency in TikTok culture and platform-native behaviors, with a proven ability to match creators to specific brand objectives.
• Strong analytical skills with experience using performance metrics, audience data, and AI tools to inform and optimize creative direction.

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

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

Solution Engineer — LLM Deployment

Salary

Not Disclosed

Company Description

北京金网安泰信息技术有限公司 is a subsidiary of Sunyard Technology (信雅达) that has spent over 20 years building commodity trading platforms and blockchain systems for major enterprise clients and commodity exchanges across China.

Job Description

You will bridge the gap between enterprise client needs and large language model technology by designing RAG and fine-tuning solutions. This role involves building production-ready infrastructure using vLLM and Kubernetes while leading proofs of concept. You will be instrumental in launching the company's AI presence across the European market while working between London and Germany.

Location

London, UK

Why this role is remarkable

• Lead the deployment of LLM systems for an established market leader in commodity trading and supply chain finance that is now expanding into AI.
• Enjoy high autonomy as you shape the technical strategy and infrastructure for the company’s new European operations from the ground up.
• Work on mission-critical applications that integrate advanced AI with blockchain and enterprise digitalization systems for high-value trading markets.

What you will do

• Architect and deploy production LLM solutions including RAG, fine-tuning, and prompt engineering tailored to the trading and finance sectors.
• Build and maintain scalable model serving infrastructure using technologies like vLLM, Kubernetes, and specialized GPU clusters for enterprise-grade stability.
• Collaborate directly with European clients to run proofs of concept, gather requirements, and deliver production-ready AI systems that solve complex business problems.

The ideal candidate

• Possesses at least 5 years of experience building production software with specific, hands-on experience deploying LLMs using frameworks like vLLM or TGI.
• Demonstrates a strong background in client-facing roles such as pre-sales, solution architecture, or forward-deployed engineering within enterprise environments.
• Comfortable working across European and Chinese business cultures and is willing to travel regularly from London to Germany for business operations.

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

Founding Product Platform Engineer

Salary

£120k-£150k + Equity

Company Description

OpenHuman is a pre-seed startup backed by tier-1 European investors building a decision platform that helps high-stakes teams explore possible outcomes and understand uncertainty.

Job Description

Join OpenHuman as the first dedicated product engineering hire to build the platform layer for high-stakes decision-making. You will transition technical workflows into a repeatable B2B product, designing clear interfaces for complex AI outputs. This high-ownership role involves full-stack development across Python and React to create durable, trustworthy software.

Location

London, UK

Why this role is remarkable

• Founding-level scope to build the product platform layer from first principles alongside a pre-seed team.
• Backed by tier-1 European investors, addressing complex engineering challenges in reliability, data workflows, and AI UX.
• High-impact role with meaningful founding equity and direct influence on the company’s engineering standards and culture.

What you will do

• Develop core full-stack features using Python and React, transforming technical prototypes into scalable, well-instrumented product surfaces.
• Architect platform foundations including auth, permissions, and APIs to ensure multi-tenant workspaces operate safely and reliably.
• Build internal tooling and customer-facing interfaces that translate sophisticated AI workflows into clear, navigable, and trustworthy software experiences.

The ideal candidate

• Has 5+ years of production software experience with strong proficiency in Python, FastAPI, React, and modern TypeScript.
• Demonstrates expert SQL and data modeling skills, comfortable navigating data-heavy environments and modern warehouses like BigQuery or Snowflake.
• Possesses a strong taste for product engineering and the ability to ship reliable cloud systems, ideally with exposure to LLM-powered tools.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Voice AI ML Engineer

Salary

£80k-£100k + Equity

Company Description

AethexAI Inc is a London-based pre-seed startup that has raised ~$3M to build proprietary voice AI infrastructure for underserved global markets and languages that big tech overlooks.

Job Description

Join AethexAI Inc to build foundational speech technology for billions of users in emerging markets. You will own the entire ML lifecycle, from researching novel architectures to deploying low-latency models on AWS. This is a hands-on, founding-level role for a scrappy builder ready to define the future of global voice communication.

Location

London, UK

Why this role is remarkable

• Build foundational speech models from scratch for languages and accents that big tech overlooks, impacting billions of users in Africa, the Middle East, and beyond.
• Join a high-growth, ~$3M pre-seed team in London already processing 17,000+ daily calls with sub-500ms latency on proprietary, non-fine-tuned infrastructure.
• Secure meaningful founding-team equity and take complete ownership of the full ML stack, mirroring the trajectory of early engineers at companies like ElevenLabs.

What you will do

• Research and develop novel speech model architectures, moving beyond simple fine-tuning to build proprietary ASR and TTS solutions for underserved markets.
• Design and manage high-scale inference pipelines on Kubernetes and AWS, ensuring mission-critical reliability and sub-500ms latency for global voice applications.
• Work directly with the founding team to ship new features into production weekly, impacting real-world users immediately after model training.

The ideal candidate

• Has 4+ years of experience shipping production-grade ML models, with specific depth in speech, audio, or low-latency inference systems.
• Possesses strong MLOps skills, including hands-on experience deploying to Kubernetes on AWS and maintaining high-availability production environments.
• Holds an advanced degree from a top CS/ML program and thrives in a scrappy, in-person London environment where they own technical outcomes end-to-end.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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

The next step is to speak to Jack.

Job Title

Founder's Associate

Salary

$25k-$80k + Equity

Company Description

Fast-growing AI hardware startup

Job Description

As a generalist Founder’s Associate, you will drive high-impact initiatives across operations, growth, and finance. Reporting directly to the founders of a rapidly scaling AI hardware company, you’ll tackle ambiguous problems, automate essential systems, and bridge functional gaps. This is a high-ownership role designed for a future business leader.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with founders at a startup that achieved significant revenue milestones within its first few months of operation.
• Well-funded by top-tier VCs and part of a premier accelerator program, providing a massive platform for professional growth.
• High-responsibility environment where you’ll own entire functions and eventually transition into a leadership or Chief of Staff role.

What you will do

• Execute end-to-end growth experiments and operational improvements to optimize business performance and scale as the company expands globally.
• Build and automate internal financial and reporting systems to ensure data-driven decision-making across every department of the business.
• Act as an interim owner for various business functions, managing everything from fundraising preparation to complex customer operations.

The ideal candidate

• At least 1+ years of experience in a high-rigor environment with a strong analytical or technical background.
• Technically literate with a bias to action, leveraging AI tools to amplify output and solve unfamiliar problems independently.
• Structured thinker and clear communicator who thrives in fast-paced, ambiguous startup environments with minimal oversight and high ownership.

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

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

Software Engineer

Salary

£86k-£250k+ + Equity

Company Description

Bending Spoons S.p.A. is a leading technology company that acquires and transforms established digital businesses like Evernote, WeTransfer, and Meetup to own and operate for the long term.

Job Description

You will build and evolve systems used by millions, taking full ownership from idea to production across a diverse tech stack including Python, Rust, and Kubernetes. At Bending Spoons S.p.A., you’ll integrate AI deeply into your development workflow to simplify architectures and maintain high standards for reliability and scale.

Location

Milan, Italy; Madrid, Spain; Warsaw, Poland; London, UK; Remote

Why this role is remarkable

• Work on iconic global products including Evernote, WeTransfer, and Meetup, impacting hundreds of millions of users daily through deep technical transformations.
• Join an elite, talent-dense environment with a 0.04% hiring rate, where early-career engineers frequently lead products worth hundreds of millions of dollars.
• Benefit from top-of-market European compensation, discounted company equity, and a generous relocation package that includes a potential 50% tax reduction in Italy.

What you will do

• Design, implement, and maintain high-scale software systems using a modern toolkit including Python, Rust, Docker, and Kubernetes, choosing the best tools for each challenge.
• Leverage advanced AI tools throughout the entire development lifecycle—from design and coding to testing and documentation—to maximize efficiency and maintain high standards.
• Relentlessly simplify complex architectures and pipelines to ensure systems remain maintainable and performant while evolving established products with the agility of a startup.

The ideal candidate

• Demonstrates exceptional first-principles reasoning and the ability to solve complex, unfamiliar problems with structural sharpness and extreme attention to detail.
• Exhibits intense ambition and ownership, holding themselves to a high and rising bar for technical excellence and impact within a demanding environment.
• Thrives in a collaborative, high-intensity team, prioritizing the best ideas over their own and showing a consistent willingness to support teammates to ensure collective success.

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

Contract Design Critic

Salary

$30–$90/hr

Company Description

VC-backed creative tech startup

Job Description

Help train frontier AI models to understand high-level design principles and aesthetics. As an expert critic, you will evaluate AI-generated outputs across digital, brand, and UI specialties, providing structured reasoning grounded in professional design theory. This is a judgment-focused, remote role for senior designers to shape the future of creative AI.

Location

Remote

Why this role is remarkable

• Direct impact on how global AI models interpret and generate visual design, typography, and complex user interfaces.
• Flexible, asynchronous engagement with a well-funded startup backed by top-tier venture capital firms in the AI space.
• Opportunity to join a professional network of senior creatives influencing the intersection of technology and art.

What you will do

• Evaluate and rank design assets across web, product, and brand specialties using precise professional vocabulary.
• Write detailed critiques explaining the logic behind design quality, focusing on hierarchy, composition, and visual craft.
• Assist in developing evaluation frameworks and rubrics that help AI systems distinguish between good and exceptional design.

The ideal candidate

• Minimum of five years of professional design experience with a senior-level portfolio in UI/UX, brand, or graphic design.
• Proven ability to articulate design feedback clearly using industry-standard terminology like grids, spacing, and typography.
• Interest in the evolution of generative media and the ability to provide objective reasoning over subjective preference.

To apply, please complete the design assessment here: https://critiques-test.vercel.app/apply

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

Chalkie is building the AI-enabled classroom of the future, scaling to £6m ARR in under 12 months as the fastest-growing AI edtech product in Europe.

Job Description

Join a high-output engineering team as the fourth hire to build tools helping 800,000+ teachers automate curriculum planning. You will spend 90% of your time building product features and 10% ideating with founders. This role requires a 0-to-1 builder mindset and a passion for transforming education through AI-powered software.

Location

Remote, UK

Why this role is remarkable

• Join as engineer #4 at Europe's fastest-growing AI edtech startup, which reached £6m ARR in less than a year.
• Directly impact the lives of over 800,000 teachers by building AI tools that eliminate burnout and automate resource creation.
• Work in a high-autonomy environment with 0-to-1 ownership, skipping top-down specs to shape the product roadmap alongside the founders.

What you will do

• Build and ship full-stack features using Next.js, TypeScript, and Laravel to serve a massive, rapidly growing user base.
• Collaborate daily with founders to ideate and prototype new AI-driven capabilities that transform how teachers manage their classrooms.
• Own the entire product lifecycle from initial concept to production deployment on Vercel and DigitalOcean infrastructure.

The ideal candidate

• Possesses 4+ years of professional full-stack experience and has successfully shipped products used by 1,000+ real-world users or enterprise clients.
• Demonstrates proven 0-to-1 builder DNA, thriving in fast-paced startup environments where rapid iteration and high-quality craft are essential.
• Is an AI enthusiast who leverages AI coding tools to accelerate development while focusing on building exceptional user-facing 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

Forward Deployed Engineer

Salary

Not Disclosed

Company Description

CommodityAI is building the AI-powered operating system for the global commodities industry, automating the complex manual workflows across the energy, metals, and agricultural sectors.

Job Description

As a Forward Deployed Engineer at CommodityAI, you will bridge the gap between AI product and physical trade operations. You'll partner with customers to automate unstructured data flows, configure technical schemas, and drive successful deployments. This is a high-impact role for an engineer who thrives at the intersection of code and customer outcomes.

Location

San Francisco, USA

Why this role is remarkable

• Work at the epicenter of global trade, transforming the foundational sector responsible for moving the world’s energy, metals, and agricultural resources.
• Join a high-growth environment where the product is selling faster than it can be onboarded, offering massive scale and impact.
• Gain high-agency experience with direct mentorship from the founding team while building the company's deployment playbooks from the ground up.

What you will do

• Configure data schemas and AI extraction workflows to turn messy real-world documents and emails into structured, actionable trade data.
• Lead customer onboarding workstreams from initial scoping and technical configuration through to user acceptance testing and successful go-live.
• Build internal tools, scripts, and automation templates that accelerate the deployment process and create leverage for the entire engineering function.

The ideal candidate

• 1-3 years of experience in software engineering, implementation engineering, or a technical consulting role with strong coding skills in Python or TypeScript.
• Proven technical proficiency with APIs, structured data models, and the ability to diagnose complex issues across AI-driven systems.
• Exceptional communication skills and an operator mindset, comfortable managing multiple customer workstreams in a fast-paced, 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

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

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

Founding CTO / AI Engineer

Salary

€70k + Equity

Company Description

IRIS OS is a deep tech relationship intelligence platform building a personal AI fundraising agent to fix the venture ecosystem's routing failures. Founded by a successful entrepreneur who previously scaled Cellcraft to a Series A, IRIS OS automates warm introductions for founders by mapping and activating global relationship data.

Job Description

Join IRIS OS as the founding technical leader to architect an AI-driven "network operating system" from zero to one. You will build autonomous agents that live across email, WhatsApp, and web, designed to democratize access to capital for exceptional founders globally. This is a hands-on role shaping the technical and ethical foundation of relationship intelligence.

Location

Remote

Why this role is remarkable

• You will build a category-defining AI product that moves the needle on capital allocation, starting by supporting underrepresented female founders across Europe.
• Work directly with a second-time founder with a proven track record of raising VC capital, ensuring the vision is backed by deep market insight.
• Own the entire technical roadmap and architecture with significant founding equity, evolving from an individual builder into the leader of an engineering organization.

What you will do

• Architect and deploy secure, serverless AI systems that translate complex real-world network behaviors into intelligent, automated fundraising workflows.
• Build and iterate on autonomous agents that integrate seamlessly with tools founders use daily, including WhatsApp, email, and mobile platforms.
• Implement rigorous AI governance and bias-mitigation frameworks to ensure the platform’s matching logic remains fair, transparent, and responsible.

The ideal candidate

• Proven AI engineering expertise with hands-on experience shipping LLM-powered products or agentic workflows into production environments.
• Previous experience as a founder or a founding engineer who thrives in high-ambiguity environments and can move from MVP to scale rapidly.
• Strong product intuition with a preference for friction-free data capture and background intelligence over complex, traditional user interfaces.

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

Brand & Experiences

Salary

$150k-$200k + Equity

Company Description

Withshepherd.com is an AI-native commercial insurance platform that recently closed a $42M Series B led by Intact Private Capital. Backed by Spark Capital and Y Combinator, Withshepherd.com is building the risk infrastructure for the physical world, automating complex underwriting for high-hazard industries like data centers, semiconductor fabs, and renewable energy.

Job Description

As the "vibe-making machine" at Withshepherd.com, you will own the end-to-end brand experience across events, social media, and executive presence. You will design unforgettable broker experiences and high-end activations that feel like exclusive parties rather than generic industry conferences. This is a high-impact role reporting to the Head of Marketing to define how the frontier of AI insurance is perceived.

Location

New York and San Francisco, USA

Why this role is remarkable

• You will own the full stack of brand expression, from high-stakes physical events and exclusive broker dinner series to executive social narratives for the company's leadership team.
• Withshepherd.com is a $60M+ funded Series B powerhouse backed by industry giants like Intact and top-tier VCs including Spark Capital, Costanoa Ventures, and Susa Ventures.
• You will operate in an AI-native environment where you leverage modern tools to automate logistics and busywork, allowing you to focus entirely on creative judgment and high-level strategy.

What you will do

• Lead the event strategy for industry conferences and proprietary hosted programs, transforming fragmented field marketing into high-quality, unforgettable experiences for key distribution partners.
• Manage executive social narratives and company-wide content strategy, amplifying the brand’s unique POV across digital channels and ensuring an unmistakable visual and verbal identity.
• Direct a multi-disciplinary stack of creative agencies and contractors to produce world-class video, web, and broker-facing collateral that outshines traditional competitors.

The ideal candidate

• 5+ years of experience in brand, experiential, or field marketing within high-growth B2B, fintech, or luxury hospitality environments where detail and atmosphere are paramount.
• Exceptional creative taste and a proven ability to manage six-figure budgets and complex event logistics from strategy through to flawless execution.
• An AI-native professional who is comfortable in tools like Figma and stays composed under the pressure of tight timelines and shifting priorities in a fast-paced environment.

Who are Jack & Jill?

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

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

How does this work?

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

We never post fake jobs

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

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

#LI-JANDJLIVE

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