Senior Python Developer (Contract)

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.