Senior Software Developer12 month contract£650 per day (inside IR35)Hybrid (London) - 2 days per week onsiteThis 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 regulatory 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 and stability)• Collaborate with multidisciplinary teams (BA, UCD, Developers)• Oversee development across multiple workstreams• Drive continuous improvement of systems and processes• Ensure integration across complex systemsTechnical Environment• Primary Stack: Python, Django• Backend-focused with full-stack awareness• Multiple user journeys ( 27 frontend journeys)• Government Digital Service (GDS) aligned ..... full job details .....