Python Developer
Summary: The role is for a Lead Software Engineer specializing in Python and Django, with a contract length of 12 months. The position involves designing, developing, and improving software solutions in a secure, government-focused environment, requiring strong technical leadership and collaboration within multidisciplinary teams. The successful candidate will oversee development across multiple workstreams and ensure compliance with regulatory standards. Key responsibilities include leading the design and delivery of scalable software solutions, building secure and high-quality code, and supporting live services. The ideal candidate should have a minimum of 5 years of experience, strong collaboration skills, and a proven capability in system design within agile environments.
Role Overview
Senior / Lead Software Engineer (Python, Django) This role is responsible for the design, development, delivery, and ongoing improvement of soft-ware solutions within a secure, government-focused environment. The successful candidate will contribute to building resilient, scalable, and user-centred services, ensuring compliance with regu-latory standards relating to controlled goods and exports. The position requires strong technical leadership, collaboration within multidisciplinary teams, and ownership of both development and live service performance.
Key Responsibilities
- Lead the design and delivery of scalable software solutions
- Translate user needs into technical outcomes
- Build secure, test-driven, high-quality code
- Support and maintain live services (performance & stability)
- Collaborate with multidisciplinary teams (BA, UCD, Developers)
- Oversee development across multiple workstreams
- Drive continuous improvement of systems and processes
- Ensure integration across complex systems
Technical Environment
• Primary Stack: Python, Django
• Backend-focused with full-stack awareness
• Multiple user journeys (~27 frontend journeys)
• Government Digital Service (GDS) aligned delivery
Team Structure
Total team: ~27 people
4 Agile squads (~7 per squad)
Typical squad includes:
o 3 × Senior Developers
o Business Analyst
o UCD Specialists (Content, Interaction, Design)
Ways of Working
• Agile delivery model
• Daily stand-ups (~10am)
• Ticket-based workflow
• Collaborative problem-solving
• Focus on:
o Clean code
o Engineering standards
o Testing & documentation
Key Requirements
Essential
• Strong Python and Django experience
• Proven system design capability (end-to-end)
• Strong collaboration and communication skills
• Experience working in agile, multidisciplinary teams
• Ability to contribute to secure, structured environments
• Minimum 5+ years’ experience (ideally 8–10 years)
Top 3 Evaluation Criteria
1. Python & Django technical expertise
2. System design and architecture capability
3. Strong communication and teamwork skills
Desirable
• Experience with GDS standards
• Public sector or defence-related experience
• Exposure to secure or regulated environments
Domain Context
• Defence / government environment (e.g. MOD, HMRC)
• Focus on export control systems (weapons, aircraft, sensitive goods)
• Security-focused work contributing to national interest
Candidate Profile
• T-shaped skillset (deep technical + broad system awareness)
• Strong delivery focus and efficiency
• Comfortable taking ownership and leading within squads
• Experience working in structured, governance-heavy environments
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