Salary: £130,000 - 143,000 per year Requirements: Strong hands-on experience in Python with substantial experience of building production-grade applications. Current SC Security Clearance or eligibility for SC Clearance. Experience in Golang including developing scalable backend services. Experience in C# / .NET including building enterprise-grade applications. Experience of designing, developing, and maintaining microservices-based architectures. Knowledge of distributed systems, service-to-service communication, and fault tolerance. Ability to build RESTful APIs and integrating services across multiple systems. Proficiency in writing clean, efficient, testable, and well-documented code. Experience with asynchronous/thread processing, messaging systems, and background workers. Strong experience with Git-based version control and CI/CD pipelines. Working knowledge of security best practices, authentication, and authorization. Responsibilities: Design, develop, test, and maintain high-quality software solutions using Python. Deliver scalable, efficient, and maintainable code. Collaborate with cross-functional teams to meet business and technical requirements. Technologies: Backend C# CI/CD Git Golang Python Security microservices ASP.NET More: We are seeking a Python Developer with current SC Security Clearance to join our central government team in Milton Keynes. This position is full-time on-site and involves working on exciting projects that contribute significantly to the public sector. We offer a 6-month contract with a scope to extend, and compensation is set at £530.00 per day inside IR35. last updated 14 week of 2026