Most recently, I've been writing code in a mixture of Go, AngularJS, Node.js, and .Net stack.
I've been writing code professionally since 1998, mostly on the Microsoft stack, with a heavy emphasis on applications with database backends. I've also developed with the LAMP stack, Python, Bash, C, C++, and of course the full course of web technologies (HTML, CSS, JavaScript, etc.)
I think Klout is ridiculous.