Senior Python Engineer – Public Sector Impact

Government Recruitment Service; Greater London; On-site; GBP 69,000 - 88,000; Full time

Job summary

The Department for Business, Innovation, Science and Trade (BIST) and its DDaT directorate recruit for a Senior Software Developer (Python) role based in London. Company: Government Recruitment Service. Salary: £68,732 to £88,423 per year. Hours: Full-time.

Posting 23 Oct 2026, closing 9 Nov 2026. Join a diverse, inclusive team delivering modern digital services for UK citizens. You’ll design, build and run software end-to-end, collaborating with architects and engineers to deliver reliable,

Qualifications

• Experience designing and building high-quality software.
• Ability to work across the full software development lifecycle.
• Strong collaboration with architects and developers.

Responsibilities

• Design, build, test and maintain high-quality software, delivering new functionality and improving existing services in line with agreed architecture and coding standards
• Work across the full software development lifecycle, including development, testing, deployment, monitoring and production support
• Collaborate with multidisciplinary colleagues to translate user needs and designs into working software, iterating services based on evidence and feedback
• Work closely with Technical Architects and other developers to make informed technical decisions and identify appropriate solutions to complex problems
• Develop and maintain REST APIs, web applications, microservices and containerised applications
• Build a strong understanding of the wider service, including dependencies, data and system interactions, to improve reliability and resolve underlying technical issues
• Investigate and resolve live service incidents, identifying root causes and implementing sustainable improvements
• Build and maintain continuous integration and deployment pipelines that support reliable software delivery
• Review code, share technical knowledge and support colleagues to improve quality and consistency across the team
• Contribute to continuous improvement of engineering practices, including exploring and prototyping potential solutions where appropriate

Skills

Python

REST APIs

Microservices

Containerised apps

CI/CD

Testing

Job description

The Department for Business, Innovation, Science and Trade (BIST) and its DDaT directorate recruit for a Senior Software Developer (Python) role based in London. Company: Government Recruitment Service. Salary: £68,732 to £88,423 per year. Hours: Full-time.

Posting 23 Oct 2026, closing 9 Nov 2026. Join a diverse, inclusive team delivering modern digital services for UK citizens. You’ll design, build and run software end-to-end, collaborating with architects and engineers to deliver reliable,