You will join as the first hire and technical co-founder, owning the product and technology architecture from day one. You will build LLM-powered financial analysis tools and agentic workflows that automate institutional-grade due diligence. This role is pivotal in transforming how capital markets handle transaction readiness and financial data integrity.
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London, United KingdomNot Disclosed + 10-15% Equity
Founding AI Engineer at VC-backed fintech AI startup
Are you a builder ready to transition into a Technical Co-Founder role? This VC-backed fintech startup in London is hiring its first employee to lead the development of AI-powered transaction readiness infrastructure. You will own the entire technical roadmap, building LLM agents that automate financial due diligence for capital markets. With 10-15% equity on the table and a validated product already in beta, this is a rare opportunity to shape a high-stakes AI platform from the ground up alongside a seasoned serial founder. If you have 5+ years of AI experience and a founder's mindset, this is your next move.
Overview
Role overview
Company
About the company
VC-backed fintech AI startup
Responsibilities
What you will do
- Architect and ship the core LLM-based financial model auditing engine and automated report generation infrastructure.
- Build and manage autonomous agents, data integrations, and scalable pipelines to enable continuous transaction readiness monitoring.
- Drive all technical decision-making, including build vs. buy choices and future engineering team hiring strategies.
Candidate profile
Who this is a fit for
- Approximately 5 years of experience building and shipping AI products, specifically using LLMs and agent architectures.
- Deep technical comfort with fintech or capital markets data, including the ability to reason about financial model integrity.
- A 0-to-1 founder mindset with the resilience to thrive in an early-stage, pre-seed startup environment.
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What makes it remarkable
Why this role is remarkable
- High-impact founding role with 10-15% equity, offering true co-founder status and influence over the company's technical DNA.
- Solving a massive, high-stakes problem in capital markets by automating the complex financial due diligence process for M&A and debt raises.
- Transition from a validated live beta with a growing customer waitlist into a scaling platform backed by a seasoned serial founder.
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 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack