Software Engineer

Job description

Software Engineer — AI x Finance

What if your next role let you reinvent how the world’s most important business decisions are made — turning Excel into an AI-powered engineering environment?

Our client — a seed-stage AI startup — is hiring a Software Engineer (London, onsite).

They’re building the “Cursor for financial modelling” — an AI-powered Excel add-in, with a long-term vision to become the operating system for strategic decision-making across Excel, PowerPoint, and beyond.

The role:

✅ Use cutting-edge AI tools (Cursor, Claude Code) to ship high-quality code at speed

✅ Own features end-to-end — from Rust services to frontend

✅ Write highly optimised software (memory, caching, performance)

✅ Improve AI agent systems, tooling, and context optimisation

✅ Own backend infrastructure and CI pipelines

✅ Collaborate closely with design to deliver polished, high-quality UX

Why join?

Work with a top-tier engineering team (ex-Jane Street, Bloomberg, top universities)

£160,000 – £300,000 + equity (~0.5%+)

Visa sponsorship available

⚙ Build at the frontier of AI, developer tools, and financial modelling

High-ownership, high-performance environment

Early-stage (seed) with strong traction and clear path to Series A

Interested? Apply now!

Extra information

Status

Open

Education Level

Secondary School

Location

London Area

Type of Contract

Full-time jobs

Published at

02-05-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English