A leading recruitment agency is seeking a Principal Software Engineer for a 12-month contract in Luton. The role involves developing robust applications using C# .NET within a Windows environment, and candidates must hold or be eligible for a high level of UK Security clearance. Strong experience in object-oriented design, CI/CD practices, and agile methodologies is essential. This position offers a pay rate of up to £79p/h (Inside IR35) and demands a proactive approach to working independently while collaborating with a team. #J-18808-Ljbffr