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Senior C++ Software Engineer

Wearehaystack — Germany · Posted ~1 day ago

Senior Full-time Visa History ✓

Skills

C++ modern C++ multithreading parallel programming desktop application development performance optimization codebase refactoring software architecture .NET legacy system modernization AI coding tools parallelization

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Summary ✨ AI‑Generated

A senior engineering opportunity focused on building and optimizing high-performance C++ components for sophisticated desktop software. You will tackle complex multithreading and parallelization challenges, improve a large existing codebase, help transition legacy technologies toward modern C++ and .NET, and leverage AI-assisted tools for analysis and modernization. Several years of senior professional C++ experience and a strong technical or quantitative academic background are expected.

Highlights

Work on challenging high-performance software in the healthcare sector, with opportunities to modernize a substantial legacy codebase, apply advanced concurrency techniques, and use AI-assisted development tools. The role offers significant technical ownership and collaboration across disciplines.

Description

We're hiring on behalf of a Haystack partner! The Role • Design and develop high-performance C++ components for desktop applications in the healthcare sector, 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 product quality. • Collaborate with cross-functional teams to drive modernization from legacy systems to modern C++ and .NET. • Utilize AI agents and tools to accelerate code analysis, refactoring, and legacy modernization efforts. 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 English, both spoken and written. What's On Offer • Competitive salary • Opportunities for professional development through an in-house academy and external partnerships. • Access to health and wellness programs, including a canteen and fitness center. • Flexible work arrangements and employee benefits. Apply via Haystack today!