Role: Senior Python Developer (Contract) Location: Cambridge / Hybrid An exciting opportunity for an experienced Senior Python Developer to join a growing technology company on a contract basis. You’ll work on scalable, containerised software applications that support high-performance communication systems. Key Responsibilities: Design and maintain scalable Python backend services Develop and enhance web UIs using JavaScript, HTML, and CSS Optimise and maintain PostgreSQL databases Build and manage Docker-based containerised applications Write thread-safe, high-performance Python code Collaborate on system architecture and contribute to Agile planning Conduct code reviews and promote engineering best practices About You: 5 years’ professional experience with Python Strong knowledge of multithreading, concurrency, and parallelism Experience with PostgreSQL (data modelling and query tuning) Skilled in JavaScript and modern frontend devzelopment Hands-on with Docker (development, testing, deployment) Familiarity with REST APIs and version control (Git) Able to work independently and take full ownership of features Nice to Have: Experience with FastAPI, Flask, or Django Knowledge of asyncio or asynchronous programming Familiarity with CI/CD and cloud environments (AWS/GCP) Working Model: Hybrid role – regular attendance required at Cambridge office Please apply to discuss, Sam Payne @ The One Group.