Senior C++ Engineer – Desktop Applications

Project overview

For an established company in the healthcare software sector (B2B, mid-sized to corporate segment), we are looking for a Senior C++ Developer (m/f/d) to further develop high-performance desktop applications with a focus on stability, scalability, and modernization of a grown codebase.

YOUR CHALLENGE:

YOUR TALENTS:

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• Start: ASAP
• Duration: 6 months (option to extend)
• Remote/On-Site: Hybrid (approx. 60% Remote / 40% On-site, by arrangement)
• Utilization: 4–5 days/week (80–100%)
• Development and maintenance of C++ components for Windows desktop applications with clear goals for performance, stability, and scalability
• Conception and implementation of multithreading/parallelization approaches for secure, efficient concurrency with high UI responsiveness (clinical user requirements)
• Analysis of the existing codebase, identification of bottlenecks (CPU, Memory, I/O, Locks) and sustainable runtime optimization including measurement concepts
• Debugging complex error patterns (Race Conditions, Deadlocks, Heisenbugs) and introduction of robust diagnostics (Logging, Tracing, Crash Dumps)
• Close collaboration with architecture, QA, and product management to deliver maintainable, testable, and releasable solutions
• Support for the modernization/migration of legacy technologies (MFC, ATL, Win32, Delphi) towards modern C++ as well as current .NET (interfaces, interop, modular replacement)
• Setup/improvement of build and dependency management (CMake, Conan, MSVC) for reproducible builds and clear artifact pipelines
• Use of AI coding agents (e.g., Claude Code) for refactoring, code analysis, and legacy modernization, including contributions to shared agents/prompts/workflows within the team
• Must-have: Several years of experience as a Senior C++ Developer in complex desktop systems, ideally performance-critical and highly parallelized
• Must-have: Very good knowledge of C++14/17/20, Concurrency (Threads, Tasks, Locking Strategies), as well as debugging and profiling methods
• Must-have: Practical experience in performance tuning (profiling, hot-path optimization, memory/thread analysis) and secure concurrent design
• Must-have: Hands-on experience with CMake, Conan, and MSVC in professional build setups
• Must-have: Experience in integrating typical desktop components such as CEF and/or Qt
• Must-have: Structured, analytical working style, high quality standards, ownership for clean solutions
• Desirable: Experience with agentic coding tools (e.g., Claude Code), setting up agents/skills/workflows, "Context Engineering"
• Desirable: Experience in regulated environments (Healthcare, MedTech) and understanding of quality assurance/compliance
• Desirable: Technical degree (Computer Science, Mathematics, Physics, Electrical Engineering, or similar) or equivalent practical experience

Project details

• Start: flexible
• Location: DE
• Languages: German