Freelance developer since high school (1999), increasingly into pure functional programming and the Lambda calculus
- Since 2015 --- Haskell, Elm, PureScript
- Since 2012 --- OpenGL+GLSL
- Since 2011 --- Go (aka golang), WebGL, Node.js, CoffeeScript
- Since 2008 --- F#, Python, Lisp/Clojure/Scheme
- Since 2006 --- SharePoint
- Since 2001 --- C#, ASP.NET, XSLT, XPath
- Since 2000 --- PHP, Java
- Since 1999 --- SQL, ASP, VisualBasic
- Since 1998 --- Pascal, Basic, HTML+CSS+JS
- Before long --- OCaml, Erlang Elixir, Scala, R, Rust, Nemerle..