December 20, 2011
For me there are no OSes other than *NIX. I mainly use Linux but have some experience in the use of OPenBSD and NetBSD as well. In terms of languages, I currently mainly do PHP. However, I write Python, Perl, Fortran (years in academia ;)), some OCaML,... Whatever suits the task best. Just now I'm getting into Java a bit for Android app development.
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I'm currently working at Cerebrum in Melbourne as a web developer. I've spent some time developing numerical algorithms in academia and had a crack at a number of other applications of development over the years.