Senior Python Developer (Contract)

JR United Kingdom; Cambridge; Hybrid; GBP 50,000 - 90,000; Full time

Job summary

An exciting opportunity awaits for a Senior Python Developer to join a dynamic technology company on a contract basis. This innovative firm is focused on developing scalable, containerised software applications that enhance high-performance communication systems. You will be responsible for designing and maintaining backend services, optimising databases, and ensuring high-quality code through best practices. If you have a passion for technology and a collaborative spirit, this role offers the chance to make a significant impact in a hybrid work environment, with regular attendance at the Cambridge office.

Qualifications

• 5+ years of professional experience with Python.
• Strong knowledge of multithreading and concurrency.

Responsibilities

• Design and maintain scalable Python backend services.
• Build and manage Docker-based containerised applications.

Skills

Python

Multithreading

PostgreSQL

Docker

REST APIs

Git

Tools

Docker

PostgreSQL

Git

Job description

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Client:

The ONE Group Ltd

Location:

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

05.05.2025

Expiry Date:

19.06.2025

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Job Description:

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
• 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)
• 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.