Salary: £59,000 - 139,000 per year Requirements: Strong experience in .NET (C#), ASP.NET, JavaScript, HTML, CSS development. Proven background in web development using the above or similar technologies. Experience working with and supporting operational systems. Knowledge of web development patterns. Proficiency in Microsoft SQL Server development and scripting or similar. Familiarity with Azure DevOps or equivalent tools. Working knowledge of modern development patterns, including Agile. Eligible for UK Security Clearance. A working knowledge of MVC framework or similar (preferred). Experience with other scripting or database technologies (preferred). Responsibilities: Provide Software Applications Engineering support for larger and more complex applications and project areas. Perform build and deployment activities for application development efforts. Design and implement requirements that are effective, timely, and compliant with project standards. Configure, program, and test application components and technical architecture. Troubleshoot and resolve defects and performance-related issues. Ensure compliance with coding standards through design reviews, coding, and unit testing. Collaborate with Business Analysts to understand requirements and use cases. Estimate and size assigned use cases with input from the BA team. Independently deploy QAT or UAT environments. Work closely with testing teams to resolve regression and newly identified issues. Explore alternative solutions using structured decision-making techniques. Participate in code reviews and collaborate with developers, designers, and architects. Maintain integrity of pre-production environments (development, test, QA, staging). Lead efforts in process improvement and technical automation. Provide regular status updates and mentor less experienced team members. Technologies: ASP.NET Azure C# CSS DevOps Support JavaScript LESS MVC SQL Security Web Cloud Fullstack More: We are offering a full-time, permanent position for a Software Full Stack Support/Developer in a hybrid working model, requiring on-site attendance at least three days per week in Milton Keynes. You will play a key role in designing, developing, and supporting web-based applications for a large-scale managed service program. This position presents the opportunity to work on complex, high-impact projects, collaborating with cross-functional teams to deliver robust, scalable solutions using modern development practices. last updated 4 week of 2026