Sigma Software
Senior C++ Engineer (Desktop Applications)
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Warsaw, Poland
Work mode:
Remote
Published on:
9 September 2026
What they need
We are looking for an experienced Senior C++ Engineer to work on large-scale desktop software products in Medical domain. The role focuses on performance optimization, stability improvements, modernization of legacy systems, and development of high-quality desktop applications.
Develop and maintain high-quality desktop application components using modern C++
Implement scalable multithreading and concurrency solutions
Analyze, identify, and resolve performance bottlenecks in complex desktop systems
Participate in modernization and refactoring of legacy codebases
Collaborate with architects, QA engineers, and product teams to deliver stable and efficient solutions
Contribute to software quality improvements, debugging activities, and system stability initiatives
Utilize AI-assisted development tools to improve development workflows and accelerate implementation activities
Participate in technical discussions, code reviews, and engineering best practices initiatives
5+ years of commercial experience in C++ software development
Strong expertise in modern C++ standards including C++14/17/20
Deep understanding of multithreading, concurrency, debugging, and performance optimization
Hands-on experience with desktop application development
Practical experience with Qt
Experience working with Make, Conan, and MSVC
Experience with CEF integration
Strong analytical thinking and problem-solving skills
Ability to collaborate effectively within cross-functional engineering teams
Upper-Intermediate or higher level of English
WILL BE A PLUS
- Experience with AI-assisted coding tools and development workflows
- Experience working in regulated software environments
- Technical degree in Computer Science, Engineering, or related field
- German language skills
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