Salary: £30,000 - 55,000 per year Requirements: Active SC Clearance Proven background in software engineering Proficiency in developing production-grade applications using Python Experience in designing scalable backend services using Golang Expertise in constructing enterprise-grade applications using C#/.NET Competence in building RESTful APIs and managing microservices-based architectures Strong familiarity with Git-based version control systems and CI/CD pipelines Comprehensive understanding of Agile methodologies and security best practices Familiarity with secure environments in the public sector or defence is highly advantageous Responsibilities: Develop production-grade applications Design scalable backend services Construct enterprise-grade applications Build RESTful APIs Manage microservices-based architectures Utilize Git-based version control systems Implement CI/CD pipelines Adhere to Agile methodologies and security best practices Technologies: Backend C# CI/CD Git Golang Python Security microservices ASP.NET More: At Summer-Browning Associates, we are currently assisting our Central Government client in finding a Senior Developer for an initial six-month assignment based in Milton Keynes. We offer a collaborative work environment where you can leverage your skills in software engineering while contributing to significant projects in the public sector. Our team values expertise and innovation, ensuring that you will have the opportunity to grow and make a meaningful impact. last updated 11 week of 2026