Senior Software Engineer Salary: £65,000 - £75,000 C#, .NET, Windows Desktop We’re representing a scaling SaaS business are hiring a Senior Software Enginee r to strengthen their product development team. You’ll be hands-on with C# and .NET, crafting high-performing Windows applications used across global markets. This isn’t just coding. you’ll help shape technical decisions, refine UI/UX, and integrate closely with Windows OS components to deliver polished, reliable products. What You’ll Do as a Senior Software Engineer: Build and refine Windows desktop applications (WinForms, WPF, WinUI or similar) Develop sleek, functional user interfaces and custom controls Apply best practice design patterns (e.g. MVVM, MVC) Connect applications with OS-level features and external systems Ensure stability, performance, and maintainability of the codebase What You’ll Bring as a Senior Software Engineer: Solid background in C#/.NET desktop development Experience delivering advanced Windows client software Strong knowledge of Windows APIs and event-driven programming Familiarity with CI/CD and modern development workflows Collaborative mindset with problem-solving flair Nice to Have: Cross-platform app experience (MAUI, Xamarin, native macOS) Cloud-connected app exposure (Azure/AWS) Background in real-time comms (VoIP, SIP) The Package: Salary between £65,000 - £75,000 Bonus Hybrid - Peterborough 1-2 days per week (remote potential for the right candidate) Private Healthcare If you're a Senior Software Engineer who is passionate about building high-performance Windows client applications and want to work in a forward-thinking software business with global reach, we’d love to hear from you. Unfortunately, due to the high volume of applications, not all applicants will receive feedback.