Skip to main content

This job is no longer actively hiring. Talk to Jack to find live roles.

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.

Want to apply for this role?

C

This role is no longer actively hiring, but Jack can still help you discover similar open roles that fit.

Location

London, United Kingdom

Compensation

Not Disclosed + 10-15% Equity

Company

Confidential company

See Open Roles

Role overview

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.

About the company

VC-backed fintech AI startup

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.

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.

===

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.

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.
Thumbnail for 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.

Meet Jack

What happens next?

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 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.

Learn about Jack

Ready to find your next role?

Talk to Jack for 10 minutes and see your first matches.