• Creating new microservices to replace the old ones written in Ruby on Rails. 
• These microservices communicate with video screens.

• an assignment to create in a team a new site that consumers and businesses can use to send parcels. The site is based on microservices, which are exposed through a gateway to third parties.

• DevOps team working on a new opensource framework for realtime analytics. The first use case for which the framework was used is realtime fraud detection.

• Research and development for the creation of a platform for linking data. 
• Within Xdynamics, I did an assignment for [on request] for semi-automated linking of data.

• conversion of content to make it suitable for the application that shows the content to users. Part of the job was the automation of the creation and updating of jobs and pipelines in Jenkins.
• Besides this, worked on the new application for the conversion of content and partly made the new architecture for the new application.

• a startup that was focused on personalized email marketing. I introduced Spark with Scala as an alternative for the existing Hadoop with Java and Pig application. Besides working on the Big Data application, I did frontend and backend work on the PHP site.

• an assignment as senior software engineer within a Scrum team and chairman of the technical vision commitee, a cooperation between various companies, which creates software for ProRail.

• creating the functional and technical design for adapting the workflow of an existing application. Besides this also worked on the implementation and writing of the user manual.

• New features for the advertising system. I created the technical design and implemented it.
• I also did an integration of Open ID with the login system and worked on the payment system. In addition, I worked on rewriting a J2EE application to PHP. Finally, I worked on the integration of online games in a social network site.

• Cooperation various engineering firms, which develops software. The assignment for Loxia included creating technical designs and implementing them.

• I created the functional and technical specifications and implemented the design. In addition, I developed a Facebook application

• The assignment included changing the existing application, performance testing, and changing the application based upon the results of the performance tests.

• responsible for the communication with the customer, the planning, and the technical quality of the application. Besides these roles, worked on the technical design and the implementation.

Creating technical designs and implementing them.

03/2006 –  06/2006

worked on Intranet and Internet projects for the Dutch insurance company DELA. The projects were modules used by consumers on DELA's website to give them advice on which insurance they need.

The technologies used:

Java, JSP/Servlets, Linux, Apache, Tomcat, WSAD, Eclipse, XML/XSLT, HTML/CSS, SOAP, CVS, Bugzilla, Apache FOP, and MS SQL Server

10/2005 - 03/2006

worked on the Internet banking project of ABN AMRO. Created technical designs and made proof of concepts based upon

the design. The development team subsequently implemented these proof on concepts in the Internet banking application. 

The technologies used:

Java, JSP/Servlets, J2EE, XML/XSLT, JNDI, EJB, Struts, WSAD, WebSphere, TCL, and CVS

09/2005- 10/2005

worked on an internal project to store the data of the employees. For this system I worked on the functional design, the technical design, and the implementation. 

The technologies used:

Java, JSP/Servlets, Tomcat, XML/XSLT, PostgreSQL, HTML / CSS, WSAD, and CVS