Senior Python Developer (Contract)

The One Group; Cambridge; Hybrid; GBP 50,000 - 75,000; Full time

Job summary

An exciting opportunity awaits you at a growing technology company, where you will take on the role of a Senior Python Developer. This hybrid position allows you to work on scalable, containerized software applications that enhance high-performance communication systems. You will design and maintain backend services, develop engaging web UIs, and optimize databases. Join a dynamic team that values collaboration and innovation, and take ownership of your projects while contributing to Agile planning. If you're passionate about technology and eager to make an impact, this role is perfect for you.

Qualifications

• 5+ years' experience in Python development with strong multithreading knowledge.
• Skilled in Docker for development, testing, and deployment of applications.

Responsibilities

• Design and maintain scalable Python backend services for high-performance systems.
• Develop web UIs using JavaScript, HTML, and CSS, ensuring optimal performance.

Skills

Python

Multithreading

PostgreSQL

JavaScript

Docker

REST APIs

Git

Tools

Docker

PostgreSQL

Git

Job description

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 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

Please apply to discuss, Sam Payne @ The One Group.