Senior C++ Developer needed

C++ Back-End Developer (Windows/Linux)
Requirements:
- 5+ years in commercial software development with C++ on Windows
- Excellent knowledge of STL, C++11/14 standards
- Strong knowledge of OOP, design patterns
- Strong understanding of OS / networking concepts, protocols, socket-level programming
- Strong experience in developing multithreaded client-server applications, interaction with DBMS
- Good debugging, profiling and code optimization skills
- Hands-on skills in MSVC, MS Unit Tests, Boost.Asio, WebSockets, Git
- Technical English skills

Will be a plus:
- Experience with Linux