Senior C++ Software Engineer

We're hiring on behalf of a Haystack partner! The Role • Design and develop high-performance C++ components for desktop applications, focusing on performance, stability, and scalability. • Architect, implement, and review complex multithreading and parallelization concepts for efficient and responsive execution. • Analyze, refactor, and optimize a large existing codebase, identifying bottlenecks and improving performance and quality. • Collaborate with cross-functional teams to drive modernization from legacy systems to modern C++ and .NET. • Utilize AI agents and tools for code analysis, refactoring, and legacy modernization. What You'll Need • Several years of senior-level experience in professional C++ development, ideally in high-performance, highly parallelized desktop systems. • A strong academic background 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 agentic coding tools and AI pipelines. • Fluent German and fluent English, both spoken and written. What's On Offer • Competitive salary • Opportunities for professional development through an in-house academy and external partners. • Access to health and wellness programs, including a fitness center and healthy canteen options. • Flexible work arrangements with a hybrid on-site and remote model. Apply via Haystack today!