I currently code in the following: Go, C++, C, Java, C#.
Also rolled my own interpreter written in YACC and Go.
My free time is spent on building a web application running on Google AppEngine.
The name of the project website is Jaeger
http://cellular-hybrid-849.appspot.com/
Also did some study on IOCP and Sockets. The result of the study yielded an HTTP server. Click on the URL below to see more about that project study.