:

C# - .NET 3.5, 4.0, 4.5 Windows Forms, WPF (XAML,Binding, Commands), WCF, Socket, TCP, UDP,ADO.NET, Linq, Entity Framework,GDI+, Marshaling, Thread, TPL, async/await, ASP.NET Web Form, ASP.NET MVC 4,
WebApi, Unit Testing, TDD
++ - WinApi,STL, multi-threading
Java - SE,Android
JavaScript -jQuery, angular.js, Ajax, Json
PHP -REST, API
SQL, T-SQL, PL/SQL - MSSQL Server, MS SQL Compact, MySQL, Oracle

S.O.L.I.D., MVVM, MVP, MVC,Design Pattern
HTML, CSS, XML,MS Access