Skills

My main expertise is in the fields of artificial intelligence, machine learning, computer vision and some web development. More specialized skills are listed below in order of descending level of familiarity.

Programming languages

C#
Two years of full-time experience writing computer vision applications.
Java
Language of choice during my college education. Took two courses on it, used it at RE-phrase and worked with it full-time for six months to write a neural network framework for my bachelor thesis.
MATLAB / Octave
1.5 years of full-time experience building a brain-computer interface and doing research.
Scheme/Racket (LISP-like language)
I took one university course and then helped create and teach another one for two years using Scheme (now named Racket). I also occasionally use it for programming puzzles.
C++
Took and then became a teaching assistant for university courses that teach C++ programming. It's also occasionally used at my current job.
SQL
Took several university courses and the online db-class that used SQL and built various websites using MySQL.
PHP
Built various websites using PHP. It was my first "serious" programming language.
Perl
Primary language used at RE-phrase. I used it for about 1 day a week for 1 year.
JavaScript and AJAX
Used to enhance some websites and program web apps at RE-phrase.
LaTeX
Wrote several theses, articles and presentations.
Clean (Haskell-like language)
Took two courses that explicitly taught the language and the associated programming concepts and one that used it to illustrate software testing.
Ruby
Learned as a hobby a couple years ago and then re-learned it to use Rails for Coursera's Software as a Service course.
Python
Learned it as a part of the Udacity courses I took.
XML, XSLT, XPath and XQuery
I use XML regularly and the other languages were used occasionally at RE-phrase and taught in the professor Widom's online db-class.
Tcl/Tk
Used to build a small experimental program for a human-machine interaction course.
LabVIEW
Sparingly used during my internship at Philips Research.

Natural languages

Dutch
Native.
English
Fluent. Download IELTS certificate.
German
High-school level.
French
High-school level.

Operating systems

Windows
OS of choice
Mac OS X
Used at RE-phrase.
Ubuntu Linux
Used for a while during college.