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Senior C++ Engineer with Qt experience (Desktop Applications)

Sigma Software · Remote - Albania, Portugal, Romania, Ukraine, Uzbekistan · 2026-09-29

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Job description

We are looking for an experienced Senior C++ Engineer to work on large-scale desktop software products. The role focuses on performance optimization, stability improvements, modernization of legacy systems, and development of high-quality desktop applications.

RESPONSIBILITIES

- Develop and maintain C++ desktop application components.

- Implement multithreading and concurrency solutions.

- Analyze and resolve performance bottlenecks.

- Support modernization of legacy codebases.

- Collaborate with architecture, QA, and product teams.

- Utilize AI-assisted development tools to accelerate development and refactoring activities.

QUALIFICATIONS

- 5+ years of senior-level C++ development experience.

- Strong expertise in modern C++ (C++14/17/20).

- Solid knowledge of multithreading, concurrency, debugging, and performance tuning.

- Hands-on experience with Qt, CMake, Conan, MSVC, CEF integration

- Strong analytical and problem-solving skills.

WILL BE A PLUS

- Experience with AI-assisted coding tools and workflows.

- Experience in regulated software environments.

- Technical degree or equivalent practical experience.

- German language skills are a plus.