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 RESTful APIs Backend Development Scalable Systems Real-Time Data API Development

FULL DESCRIPTION

Role:Software Developer

Client: Start up / Scale Up

Compensation: £100,000 P/A + Comps

Location: London (Hybrid / Flexible working)

Overview

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, 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 values clean code, scalable architecture, and being part of a team pushing boundaries.

The Role

Backend Development: Designing, building, and optimising high-performance backend systems in Python and FastAPI.

Real-Time Systems: Developing and maintaining backend systems that handle large volumes of real-time data.

Code Quality: Writing clean, testable, and maintainable code following best practices.

Architecture: Contributing to system architecture decisions and shaping the technical roadmap.

Ownership: Taking projects end-to-end in a collaborative, fast-moving environment.

Key Responsibilities

  • API Development: Building RESTful APIs using FastAPI or similar frameworks.
  • Scalable Systems: Supporting performance, scalability, and automation initiatives.
  • Data Handling: Working with high-volume, real-time data systems.
  • Collaboration: Contributing within a high-growth, innovative engineering team.

Requirements

  • Python: Strong professional experience with Python.
  • Frameworks: Experience building RESTful APIs with FastAPI or similar frameworks such as Flask or Django.
  • Performance Focus: Passion for performance, scalability, and automation.
  • AI Interest: Experience or strong interest in AI.
  • Mindset: Proactive problem-solver who enjoys experimenting with new technologies.

If this sounds like you – don’t hesitate to get in touch!

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