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Sigma Software· Spotted 39d ago

Senior C++ Engineer (Desktop Applications)

Location
Remote, Warsaw, Masovian Voivodeship, pl
Work mode
Remote
Employment
Full-time
Level
Senior
Experience
5+ years
Job function
Software/Internet/AI › Backend Engineering › C/C++ Engineer

Posted Sep 29, 2026Last confirmed open Nov 7, 2026

About this role

  • 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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