Software Developer
🔒 Confidential Employer
Posted 24 April 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£100,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion
SKILLS
Python
FastAPI
REST APIs
Backend Systems
Real-time Data
AI
FULL DESCRIPTION
Job title:Software Developer
Client: [Employer hidden — view at passion-project.co.uk]
Salary:£100,000 P/A + Comps
Location: London (Hybrid / Flexible working)
Skills:Python, FastAPI, REST APIs, Backend Systems, Real-time Data, AI
The Role
Are you a Python expert ready to build cutting-edge systems powering real-world AI innovation?
Join one of London’s most exciting AI startups, where we’re scaling fast and solving complex problems at the intersection of technology, data, and intelligence.
We’re looking for a Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s pushing boundaries.
Responsibilities
- Design, build, and optimize high-performance backend systems in Python and FastAPI
- Develop and maintain backend systems that handle large volumes of real-time data
- Write clean, testable, and maintainable code following best practices
- Contribute to system architecture decisions and help shape the technical roadmap
- Take ownership of projects end-to-end in a collaborative, fast-moving environment
Requirements
- Strong professional experience with Python
- Solid experience building RESTful APIs with FastAPI (or similar frameworks like Flask/Django)
- Passion for performance, scalability, and automation
- Experience or interest in AI
- A proactive mindset — someone who loves solving problems and experimenting with new tech
If this sounds like you - Don't hesitate to get in touch!
Sign up free — access 45,000+ UK sponsor-licensed jobs