Sigma Software Group

Senior C++ Engineer

Sigma Software Group · Warsaw, Poland
Warsaw, Poland Posted 2026-09-29
Type
Full-time
Experience
5+ yr
  • 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

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.

C++
Sigma Software Group

Sigma Software Group

IT Consulting · Private · Stockholm, Sweden

Stage & Valuation
Private
Key Investors
Danir Group
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