Senior Python Developer -.CUURENT, ACTIVE OR LAPSED SC CLEARANCE NEEDED*

*CUURENT, ACTIVE or LAPSED SC CLEARANCE NEEDED*

We're sorry that candidates without SC Clearance cannot be considered.

Senior Python Developer (Django) - Central Government - 6 Month Contract - Inside IR35 - Hybrid (London, Bristol or Manchester) - Active, lapsed or Transferable SC

Mayfleet Recruitment is looking for a Senior Python Developer for a 6 month contract with a central government department, working on a national open data platform.

The platform will be a single trusted gateway to curated, high-quality public sector data. It's being rebuilt to make it easier for people to find and use public data to make better decisions and build new services.

You'll join a close-knit multidisciplinary product team, working with developers, designers, product managers and user researchers. Everyone in the team owns the work. The client wants a confident senior developer who will get involved in decisions, try out new ideas, lead technical discussions and see work through from start to finish.

Responsibilities:

• Lead the design, development and maintenance of scalable open data services and APIs
• Set technical direction, architecture and engineering practices across the team
• Define secure design patterns and coding standards in line with government standards
• Help select technologies and shape the roadmap
• Deliver to the Service Standard and the Technology Code of Practice
• Represent the team at technical forums and government working groups where needed

Essential skills and experience:

• Strong commercial Python, including Django and Django Ninja
• JavaScript, HTML and CSS
• AWS and containerised cloud applications (Docker, Kubernetes)
• GitHub and GitHub Actions
• Experience using AI coding tools such as Claude Code
• Systems design and integration experience
• Good knowledge of web security risks, including the OWASP Top 10
• Experience diagnosing and fixing service faults
• Clear communication with non-technical colleagues

Desirable:

• Experience building or running data services
• Experience in a multidisciplinary agile product team

Working arrangements:
Hybrid, with 2 days a week on site in London, Bristol or Manchester.

Security clearance:
You must hold active SC, or lapsed SC that can be transferred.

Candidates with expired or no SC can't be considered. You can start on BPSS while your SC is transferred.

The client welcomes a range of backgrounds, including the private sector. You must have the right to work in the UK; visa sponsorship is not available.

To be considered, please apply with your latest CV.