Lead the technical vision for an AI-native platform automating complex enterprise workflows. You will architect agentic systems and RAG pipelines that transform unstructured communication data into actionable insights. As a founding partner, you’ll bridge the gap between high-level AI research and production-ready systems, shaping the product’s direction from the earliest stages.
Technical Co-founder at early-stage stealth AI startup
Are you an AI engineer with the ambition to be a founder? We are looking for a Technical Co-founder to lead the build of an agentic AI platform for high-stakes enterprise environments. You’ll move past simple demos to create production-grade systems that automate complex workflows using LLMs and RAG. This is a true founding role with significant equity, offering the chance to shape a company's technology and culture from day one in the heart of London’s tech scene. This role is ideal for someone who wants to bridge the gap between AI research and production systems.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Confidential company
Role overview
About the company
Early-stage stealth AI startup
What you will do
- Design and implement end-to-end AI architectures, including LLM orchestration, retrieval-augmented generation (RAG) pipelines, and autonomous agent frameworks.
- Collaborate directly with early design partners to translate complex business workflows into reliable, explainable, and production-grade AI features.
- Lead the complete product lifecycle from rapid prototyping and benchmarking to deploying, monitoring, and scaling a robust enterprise-ready platform.
Who this is a fit for
- Proven experience shipping production-grade LLM applications or agentic systems to real-world users, rather than just research or prototypes.
- Strong background in full-stack product engineering with the ability to own technical decisions across the entire stack and infrastructure.
- An entrepreneurial mindset with a desire for deep accountability and the resilience needed to build a company in a high-ambiguity environment.
Why this role is remarkable
- Founding partner status with significant equity and influence over the product’s technical architecture and strategic business direction.
- Opportunity to build sophisticated agentic AI systems that move beyond simple chat interfaces to execute multi-step enterprise tasks.
- Join a well-funded initiative led by an experienced founder, moving from initial customer validation into high-impact product development.
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.
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.
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If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.