Backend Software Developer (Python) - London - £100,000 + Comps

Hunter Bond; City Of London; Hybrid; GBP 100,000; Full time

Job summary

An innovative AI startup in London is seeking a Backend Software Developer to design and optimize high-performance Back End systems using Python and FastAPI. The ideal candidate has strong experience in developing RESTful APIs and a passion for performance and scalability. This role offers a hybrid working model, where you'll contribute to shaping the technical roadmap in a fast-paced, collaborative environment.

Qualifications

• Strong professional experience with Python.
• Solid experience building RESTful APIs with FastAPI or similar frameworks.
• Passion for performance, scalability, and automation.

Responsibilities

• Design, build, and optimize high-performance Back End systems in Python and FastAPI.
• Develop and maintain Back End 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.

Skills

Python

FastAPI

RESTful APIs

Problem-solving

Dynamic environments

Job description

Role: Backend Software Developer

Salary: £100,000 P/A + Comps

Location: London (Hybrid/Flexible working)

Client: Start up/Scale Up

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 Backend Developer who thrives in dynamic environments - someone who loves clean code, scalable architecture, and being part of a team that's pushing boundaries.

What you'll do

• Design, build, and optimize high-performance Back End systems in Python and FastAPI
• Develop and maintain Back End 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

What we're looking for

• 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!