Software development
Sjoerd’s Computerwelten

I am working as an independent software developer and system administrator since 2018. I have done larger projects and I have teached about Linux and open source. Further I have done admistration tasks for different non-profit organisations.

Organisation: Sjoerd's Computerwelten
Website: www.sjoerdscomputerwelten.de
Place: Blomberg, Germany
Activities: - Programming addons for an ERP System
- Wordpress plugin development
- Courses in open source und Linux
- Administration with Nextcloud, email services, computer services


Web design

I am working as a freelancer in webdesign since 2011. I have experience with Wordpress, Java, HTML und PHP

Organisation: Simply Takken Einfaches Webdesign
Website: www.einfacheswebdesign.de
Place: Haarlem, the Netherlands -- Bielefeld, Blomberg-Dalborn, Germany
Activities: - Independent web designer
- HTML5, CSS3, Javascript, PHP, Wordpress
- Developing a HTML/CSS developer tool in Java
- Customer service


Course in Design Patterns

I did a course „Design Patterns: Principles & Hands-On Experience“ at The University of Twente. It is about graphical software design with UML based on repeating patterns in software design.  

Organisation: University of Twente, computer science
Website:
Place: Enschede, the Netherlands
Activities:


Bachelor electronics

After the technical collage electronics I studied three years in Amsterdam. During the last year of the study I specialist myself in software engineering (Java)

Organisation: Hogeschool van Amsterdam
Website:
Place: Amsterdam, the Netherlands
Activities: