Full Stack Engineer

Harnham is looking for a Full Stack Engineer

Job description

Senior Software Engineer – YC-Backed AI Startup

Location: London (Old Street)

Salary: £130K–£160K + significant equity (projected 20x growth)


I'm working with a hyper-growth, YC-backed startup that raised significant Series A funding – one of the largest in tech history. Founded by proven entrepreneurs with multiple successful exits, they’re building AI-powered platforms in the financial sector.


What They’re Looking For

  • Experience: 7+ years (minimum 5) in software engineering; ideally with startup exposure.
  • Tech Stack:Frontend: React, Next.js, TypeScript
  • Backend: Python (FastAPI, Flask, Django), Go, Rust
  • Mindset: Founding engineer mentality – proactive, curious, thrives in fast-paced environments.
  • Bonus: Experience in high-calibre teams (fintech, AI, or similar).

What You’ll Do

  • Build and scale AI-driven platforms for finance.
  • Collaborate with a world-class team to solve complex technical challenges.
  • Own projects end-to-end in a flat, high-impact environment.


Ready to build the next billion-dollar company? Apply now and join us at the forefront of AI innovation.

Extra information

Status
Open
Education Level
Secondary School
Location
London Area
Type of Contract
Full-time jobs
Published at
05-02-2026
Profession type
Accountancy
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

Accountancy jobs | Full-time jobs | Secondary School

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