Founding Engineer

Founding Engineer

London

We're working with a startup building the financial system of record for AI agents, think of it as the financial brain that helps companies understand whether their AI agents are making or losing money

They've just raised a pre-seed round and are now building out the early engineering team to define how the agentic era manages costs, billing, and revenue.

Why this role stands out:

Early stage: join as one of the first engineers (team of 3, aiming for 5-6).

Build 0 1: dashboards, APIs, billing systems, cost analytics.

Full product ownership - architecture, systems, design, everything.

Direct collaboration with the founders in a fast-moving, hands-on setup.

️ Great culture: London Bridge office, collaborative team, Friday lunches

️Tech Stack - Python, FastAPI, TypeScript, React ️

What they're looking for:

• Strong with Python (FastAPI) and TypeScript/React
• Curious, product-minded and proactive, someone who loves shipping fast
• Excited by startups and the chance to build from scratch

Other details:

up to £120k + meaningful equity

In-office 4 days a week (London Bridge)

Keen to hear more? Apply here!