Senior C++ Software Engineer

We're hiring on behalf of a Haystack partner! The Role Design and develop high-end C++ components for medical desktop applications Architect, implement, and review complex multithreading and parallelization concepts Analyze, refactor, and optimize large existing C++ codebases for performance and quality Collaborate with Architecture, QA, and Product Management to modernize legacy systems Utilize AI agents and tools for code refactoring, analysis, and modernization efforts What You'll Need Several years of senior-level professional C++ development experience, especially in high-performance, parallelized desktop systems University degree in Computer Science, Mathematics, Physics, Electrical Engineering, or a comparable technical discipline Deep expertise in modern C++ (C++ 14/17/20), multithreading, concurrency, debugging, and performance tuning Hands-on experience with Qt, CMake, Conan, MSVC, and integrating components like CEF Confident and effective use of AI in software engineering, including tools like Claude Code Fluent German and English communication skills, both spoken and written What's On Offer Flexible mobile work options (2 days remote, 3 days on-site) Fully equipped workplaces and regular company events Opportunities for professional development through an in-house academy and external partners Health benefits including an in-house canteen and fitness center with courses Additional benefits such as kindergarten, job bike, and company pension scheme Apply via Haystack today!