We are seeking an experience C#/.NET Developer to join a specialised R&D group focused on the intersection of sophisticated software and high-value hardware. * This position is being offered a 12 month contract basis, working inside IR35. * Hybrid working, candidates should be able to travel to the Cambridge area when required. This role involves developing thick-client desktop architecture and managing the challenges of real-time hardware interfacing. You will contribute to a modern Windows based platform, designing and developing control software for unique, market-leading instrumentation used in global research and development. Responsibilities * Lead the development of control software for a wide-ranging, complex product portfolio. * Work with application specialists and UX designers to ensure high-performance usability for technical end-users. * Document software designs to facilitate long-term maintenance and system reliability. * Manage code integrity and versioning within a structured Azure DevOps environment. * Operate within ISO 9001 & 14001 frameworks to ensure rigorous change control standards. * Maintain an expert-level skillset in Windows application development to influence future R&D roadmaps. Requirements * Extensive commercial experience in software development. * C# * .NET 4+ * WPF * MVVM * Git * Azure DevOps * Visual Studio (2022/2026) * Windows 11 development Desirable Skills * Experience in hardware control or interfacing software with physical devices. * Software architecture and technical leadership. * Image processing, ML/AI, or C++. This position offers the opportunity to join an increasingly software-centric R&D group where your work manages complex physical systems within a cross-site, multi-functional team. Ripple Recruitment is acting as an employment agency for this vacancy. My client is an equal opportunity employer committed to fostering a diverse and inclusive workplace. Due to high volumes of interest, we can only respond to shortlisted applicants