Development of an single signon repository for the Fronter e-learning system. The city of Den Haag uses the Fronter webapplication for e-learning. They hired me to develop a single sign-on system to be able to use one password for the internal e-learning application and the (external) Fronter webapplication.

Consultancy, development and implementation of the health portal for http://www.residentie.net in coorporation with the government health services (GGD). The portal is based on an lightweight CMS framework that was written in PHP.

Porting of a Delphi based application framework to an object oriented PHP based internet application framework.

Consultant / code auditor for Scarlet Telecom to solve problems in the XML order transfer between Scarlet Telecom and BBNed

Founder and chairman of the Netherlands PHP user group / Nederlandse PHP gebruikers groep (http://www.phpgg.nl). This PHP usergroup is for professional PHP developers in The Netherlands and Belgium and gives them a platform to share their common interests.

Developer for various ilseMedia sites (http://www.nu.nl , http://video.nu.nl, http://www.ilsemedia.nl , http://www.kaboem.nl, http://www.download.nl, http://www.shopgirl.nl). Prototyper & lead-developer for ilseMaps, a webmapping application similar to Google Maps , but fully based on Open Source components (mapserver, OpenLayers, Ka-map).

Developer for the "Persoonlijke Internet Pagina" (PIP) for the Netherlands government, an internet site and platform allowing citizens to access government services and create transactions with the government: Request a new passport, check registered data, request permits, etc... The PIP is the first website in its kind. It is not a regular government link-portal, but the government services are deeply integrated with different kinds of webservices.

I the beginning i was responsible for the codeaudits and architecture consultancy. Later the government hired me as software engineer for some key components of mijnOverheid.nl.