Senior Software Developer

We're hiring on behalf of a Haystack partner!

The Role

• Design and develop high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability.
• Architect, implement, and review complex multithreading and parallelization concepts.
• Analyze, refactor, and optimize existing C++ codebase (QT, CMake, Conan, MSVC, embedded CEF).
• Collaborate with Architecture, QA, and Product Management to modernize systems away from legacy MFC / ATL / Win32 and Delphi.
• Utilize AI agents and tools like Claude Code for refactoring, code analysis, and legacy modernization.
• Actively contribute to raising the overall C++ engineering bar.

What You'll Need

• Several years of senior-level professional C++ development experience, especially in high-performance, highly parallelized desktop systems.
• 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 Claude Code or similar agentic coding tools.
• Excellent academic background with a university degree in Computer Science, Mathematics, Physics, Electrical Engineering, or a comparable technical discipline.
• Fluent German and English, both spoken and written.

What's On Offer

• Flexible mobile work option (two days remote, three days on-site).
• Attractive office locations with fully equipped workplaces and regular events.
• Opportunities for professional development through an in-house academy and external partners.
• On-site canteen with healthy meal options and a fully equipped fitness center with weekly courses.

Apply via Haystack today!