C++

Qt, QML, STL, Boost(basic+),

ООP, ООА, design patterns, classical algorithms

Multithreading, concurrent, synchronization

MySQL, FirebirdXML, JSON, HTML, CSS

Networking: TCP/IP, HTTP, FTP

OpenGL (middle-)

Python, JavaScript, C# (basic)

QA: squish, cucumberVisual Studio, CodeBlocks, Borland C++

Git, SVNJiraLinux, Windows

Project management (time line planning, open issues tracking, weekly reports)