Backend Software Developer (Python)

TL;DR

Backend Software Developer (Python, AI): Designing, building, and optimizing high-performance backend systems for real-world AI innovation with an accent on handling large volumes of real-time data and system architecture decisions. Focus on writing clean, testable, and maintainable code, solving complex scalability problems, and shaping the technical roadmap.

Location: Hybrid working with required office attendance in London, UK.

Salary: £100,000 plus comprehensive compensation.

Company

This is a high-growth AI startup in London, scaling fast and solving complex problems at the intersection of technology, data, and intelligence.

What you will do

• Design, build, and optimize high-performance backend systems in Python and FastAPI.
• Develop and maintain systems capable of handling large volumes of real-time data.
• Write clean, testable, and maintainable code adhering to best practices.
• Contribute to system architecture decisions and help shape the technical roadmap for AI products.
• Take end-to-end ownership of projects in a collaborative, fast-moving environment.

Requirements

• Strong professional experience with Python.
• Solid experience building RESTful APIs using FastAPI (or similar frameworks like Flask/Django).
• Passion for performance, scalability, and automation.
• Experience or strong interest in AI technologies.
• Proactive mindset and a love for problem-solving and experimenting with new tech.

Culture & Benefits

• Highly competitive salary of £100,000 plus comprehensive compensation.
• Opportunity to work at the forefront of AI innovation in a high-growth startup.
• Flexible and hybrid working arrangements based in London.
• Creative, fast-paced environment with genuine technical ownership.
• Chance to work on cutting-edge systems solving complex real-world problems.