Java EE development
Android development
C# (ASP.NET, IIS, MVC, WPF) 
PHP, CSS, HTML, JAVASCRIPT (CMS, API)
C,C++ (QT, Arduino) 
SQL, XML, Json
Windows, Linux servers and desktops administration and tuning. 
Raster graphics Adobe Photoshop.
Vector graphics Corel Draw.
Processing and video editing Sony Vegas.
