Avanti Recruitment is working with a growing, technology-led business based in Slough, that is undergoing a major systems transformation following a recent acquisition. As part of this programme, they are looking to hire a Senior .NET / C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from an on-premise desktop environment to a modern, .NET Core, cloud-based architecture. This is a great opportunity for someone who enjoys solving complex engineering challenges and has experience moving legacy or desktop-based applications towards modern web and cloud platforms. You will be joining at an important stage of the transformation, with around 40 projects in the pipeline, giving you the opportunity to influence technical direction and make a genuine impact on the future of the platform. The role will involve working closely with the CTO and wider engineering team to assess, improve and progressively enhance an established C# codebase built on older Microsoft technologies. Due to the nature of the work, The business is open to hybrid working, but they would ideally like someone who can attend onsite regularly during the early stages of the project for collaboration, planning and technical workshops Current Tech Environment: C# .NET Framework WinForms MS SQL Server On-prem infrastructure React frontend integrations Legacy Desktop applications CI/CD and agile practices TDD Required Experience: C# .NET Framework and .NET Core ..... full job details .....