Senior Python Developer

2 weeks ago


Cambridge, Cambridgeshire, United Kingdom The ONE Group Ltd Full time

Role: Python Developer

Salary: up to £65,000

Location: Cambridge / Hybrid (2-3 days P/W)

An exciting opportunity for an experienced 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 development
  • 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


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