Join as the second engineer at a stealth startup automating complex legal workflows for international founders. You will own product end-to-end, building intelligent systems for case preparation and evidence analysis. This role offers the unique opportunity to define the technical architecture of an AI-first firm backed by world-class industry leaders.
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Learn about Jack
Founding Product Engineer at Expedite
We are looking for a founding-level Product Engineer to join an AI-native law firm in London. Founded by a 2x YC founder and a top VC General Counsel, this stealth startup is backed by an incredible roster of investors including the ex-Head of Product at DeepMind and the founder of Hugging Face. You'll be the second engineer, owning the product end-to-end and building agentic systems that automate complex legal workflows for international founders. If you're a TypeScript expert ready to move beyond 'vibe coding' into shipping real-world AI utility with significant equity, this is the role for you.
About this role
Role overview
About the company
Expedite is an AI native law firm that works with international founders from day 1.
What you'll do
What you will do
- Architect and ship across the full stack using a modern TypeScript monorepo, including React, Radix, and oRPC with a Drizzle/Postgres backend.
- Design and implement AI agents using OpenAI, Claude, and Gemini to automate document generation, legal research, and client communications.
- Collaborate directly with users and founders to define product features, iterating rapidly from concept to production-ready legal tools.
Who you are
Who this is a fit for
- Deep expertise in production TypeScript across the full stack and a strong intuition for software design principles beyond simple code generation.
- Hands-on experience building with LLM providers or agent frameworks, with the ability to direct AI tools to produce high-quality, maintainable code.
- Early-stage DNA with a bias for action, comfortable with ambiguity, and ready to take massive ownership as one of the first technical hires.
Why this role
Why this role is remarkable
- Work directly with a founding team comprised of a 2x YC founder (ex-Series C) and a top VC General Counsel.
- Join a project backed by the highest tier of AI and venture capital royalty, including the Head of Startups at OpenAI and the founder of Hugging Face.
- Transition from building chatbots to shipping production-grade AI that handles complex legal work products and disrupts a fragmented multibillion-dollar industry.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.