About the job

The Senior Python Developer will join a London-based AI start-up, fresh from a successful seed funding round, to take ownership of backend architecture, API design, integrations, and end-to-end feature delivery alongside a cross-functional team. This high-ownership role requires strong expertise in Python, experience with modern frameworks such as FastAPI, familiarity with cloud platforms like Azure or AWS, and knowledge of relational databases. The developer will be responsible for building scalable, maintainable backend systems that support AI-driven solutions, ensuring quality and performance while collaborating closely with engineers, product teams, and stakeholders. The role offers hybrid working (one day per week in Central London) and includes a competitive salary (£85k-£100k) with equity, and visa sponsorship is available for exceptional candidates based in the UK.