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# Founding Software Engineer | Python | Early-Stage AI Start-Up | London

- **Company:** Joinfounding-level
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Python (Programming Language), Software Engineering, TypeScript, Front End Software Development
- **Published:** June 5, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/38270380/

## About the Role

About you:5+ years of professional Software Development experienceExpert in PythonEnd-to-end ownership of features and systems, from design through to productionComfortable working across the stack, including frontend development with TypeScript and ReactThrive in early-stage. fast-paced environmentsHigh ownership mindset with strong problem-solving skills

## Description

Founding Software Engineer (Python) required to build, scale, and own the technical foundation of a well backed, early-stage AI start-up from day one.
This is a rare opportunity for a strong Python Software Engineer to join at the ground floor, working directly with the founders to define the architecture, ship core systems, and shape the long-term technical vision of the company.
You'll have genuine ownership, influence key technical decisions, and play a central role in taking the product from early traction through to scale.


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