Senior C++ Engineer (Desktop Applications)

Warsaw, PolandRemoteFull-time5+ yrs experiencePosted 2w ago

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Job description

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

Job details are sourced from the employer's original posting.

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About the company

Sigma Software

We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions. This role offers the opportunity to experiment with AI, LLMs, and emerging technologies while solving complex challenges in large-scale data processing.  CUSTOMER Our customer is a global leader in contextual advertising with more than 500 employees worldwide. They specialize in delivering highly relevant ads by leveraging AI, real-time technology, and large-scale data processing. Operating in the AdTech industry, they are recognized for innovation in Connected TV (CTV) advertising. The team you will join works with the agility of a startup while benefiting from the resources of a global organization. PROJECT You will contribute to the development of a smart advertising platform that processes terabytes of data to understand audiences and deliver precise, contextual ads. The platform combines AI, LLMs, and emerging technologies to push the boundaries of CTV advertising. In this role, you will own innovation end-to-end — from research and prototyping to delivering production-ready solutions.

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Industry: AdTech
Open roles: 49