We''re looking for an experienced Windows C++ Software Engineer for a contract role on a mature Windows desktop application used in scientific instrumentation. You''ll work on both new features and day-to-day maintenance, alongside UX designers and applications specialists. Debugging existing code is a core part of the job, not a side task. From day one you''ll need to investigate issues raised from the field and in-house, including: Opening and analysing Windows crash dumps Matching PDB symbol files to the correct build Using Visual Studio and/or WinDbg to read call stacks and find the failing code Diagnosing problems such as access violations, memory leaks, version or DLL mismatches, and threading or deadlock issues Fixing the root cause and verifying the fix in a large legacy codebase You''ll also build and maintain features in C++/MFC, with some C#/.NET where needed. The contract has been determined as inside IR35 and offers a day rate of 550 p/day on an initial 6 month contract with potential to extend. What you''ll need - C++ Software Engineer Strong recent C++ on Windows (10+ years ideal) Hands-on MFC experience Recent, practical experience debugging Windows applications with crash dumps and PDBs (Visual Studio and/or WinDbg) Comfortable working in a large existing codebase, not only greenfield work Desirable Experience - C++ Software Engineer MVVM C# / .NET Azure DevOps and Git Familiarity with Agile ways of working Hardware control or instrument software Image ..... full job details .....