I am a .NET Developer, and I have primary used C# for the last 10 years. My primary language is (and have been for years) C#, but I also do a bit Java/JavaScript, C and C++.
When I need to “play”, I often play with electronics, like Arduino, Decade Counters or other “nerdy” stuff.
Programming experience in:
ASP.NET
WPF
Silverlight
Windows
Windows Phone 7, 8 and 10 (universal apps)
XBOX
XNA
2D and 3D Graphics (Blend and 3DS Max)
WCF
SQL (MSSQL and MySQL)
LINQ (and Lambda)
Windows Services
MSI Installer
JavaScript
jQuery + UI
Bootstrap
ADO
Arduino (C)
VB6
COM
VBA
HTML
CSS
Flash
Expression Blend
And lots more