Tuxlocator is an embedded open source location tracking and navigation device. There are two major differences between Tuxlocator and commercial navigation systems:

• Tuxlocator is a thin client. All time-intensive calculation are done server side.
• Tuxlocator is open source. You can download the SDK and the sourcecode of Texlocator to improve and extend it to fit your requirements.

More information about Tuxlocator can be found at the website: http://labs.velt.org/project/tuxlocator

Groupleader/counsellor at Tweehek computercamps in Westdorp, Drenthe, Netherlands (http://www.tweehek.nl). One group consists of 15 people from 16 to 20 years old. They share a common interest in computers and games. I am hired (as voluntair) to make sure everything goes smoothly and at the end of the week both (the group and the location owner) are happy. I also try to teach them some social and IT-related skills.

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 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.

Architecture & development of a lightweight PHP based MVC framework and application for TNT Post. The application will be used to collect unpaid porto from customers of TNT Post and can communicate with scanners (to scan the stamp and the address), printers (to print the invoice) and the financial backend (to track the payment).

Prototyper for the new userinterface of Scirus.com, the scientific searchengine of Reed-Elsevier. The USD (user centric design) specialists a Reed-Elsevier delivered me the wireframe mockup and functional specifications. It was my job to create a working prototype with the correct mockup and user interface behaviour.

Development and implementation of business logic rules into Opalis scheduling software to automate the invoice workflow process for the pay-per-view department of UPC Amsterdam. Opalis Integration Server creates dynamic, rule-based workflows that runs across multiple systems.

Consultancy and prototyping for the OpenLayers geographic webmapping widget for the Netherlands ministry of transport. (http://www.vananaarbeter.nl). The production version was made by my collegue based on my prototype.

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).

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

Microsoft had stored the customerdata in two different databases, Microsoft SQL server and Siebel. Changes to the Siebel database where not correctly replicated to the MSQL database and vice versa. It was my job to synchronize the records in the two databases by creating some automated scripts.

Development of a CRM framework for Ford (Ford, Jaguar, Landrover). The platform was developed in Microsoft Visual Basic by other people. It was my job to add some new modules and solve bugs in the existing code.

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.

Project manager for the migration of the KPN Agora intranet to Microsoft MCMS content management server. Training of KPN employers to learn them to work with MSCMS

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.

Development of a "360 degrees feedback" intranet application for the Netherlands ministry of transport. In human resources, 360-degree feedback, also known as 'multi-rater feedback', 'multisource feedback', or 'multisource assessment', is employee development feedback that comes from all around the employee. "360" refers to the 360 degrees in a circle.

Modification / reverse engineering of an existing ASP intranet application and development of a report generator in ASP/Visual Basic for the Royal Dutch Navy.

Test engineer for Agip Oil in The Netherlands. Development of testingscripts and procedures for the internal communication tools used by AGIP.

Architrecture and development of a batch processing application for the consolidation of european customerdata to the United States. The application reads customers records from the European database, validates the records and sends them in a unified format to the HP headquarters in the USA. The application can process 20.000.000 records per our.

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

Development of multiple applications and frameworks, web-based (LAMP) and standalone (win32).

Development of "Pitstop Online" for PantaRheijn.nl, a company related to the psychology department of Leiden University. Go to http://www.pantarheyn.nl/pantascope/bezoekers/main.html to see the application in action.

It development manager for Storenet and Development of a Document Information System with document scanning, OCR, barcode generation and more..

Development of a cross-order docking system in Visual Basic and Microsoft SQL server

Systemadmin, Y2k consultant en implementation for GTI Mechanical in Barendrecht. Detached to NAM, ESSO, SHELL, Eastman Chemicals, ICI and some more chemical companies in the Rotterdam Europort area. Y2k research + engineering for GTI Holding, Ministerie van Verkeer en Waterstaat, Waterbedrijf Europoort, Maeslandtkering (Deltawerken), P&O Nothsea Ferries and Centraal Boekhuis.

Test engineer for the project "Meetsysteem rekeningrijden", a proof of concept project for the Netherlands ministry of transport.

Software engineer at Mint (media integration) BV, Gouda, Netherlands. This company is specialized in groupware solutions and chipcard management systems. Monade is a chipcard management system developed for Interpay and some banks in the Netherlands.

Development of a CRM (customer relation management) and DIS (document information management) application for Planoform projectdevelopment.

Development of a mark recognition system to make it possible to scan incoming post, recognize multiple forms, process the data and store it in a DB2 database

Development of a graveyard managent system for the gemeente Apeldoorn

Development of a post registration system in Lotus Notes for the Gemeente Westervoort

Data analysis for TNO BBI and development of energy management solutions for Gemeente Rotterdam and Woningbouwcoorporatie Schiedam

Development of hardware and software for the Biosphere climate controller, a graduation project for my study technical automation at the Crabeth College in Gouda

Installation and calibration of optical sensors to be able to measure the amount of yeast cells in beer.