Terminland is the leading provider for online-scheduling systems in Germany. I'm supporting them by working on database, network and loadbalancing operations as well as in development.

pegasus spiele

Pegasus Spiele is a german game publishing and distribution company where I've been working on online shop functionality and IT operational management, from backup systems over Postfix-based newsletter systems to ecommerce-related data synchronization since 2000.


fizmo is an interpreter for Z-Machine programs. This virtual machine is able to run old, text-based games, as well as modern interactive fiction.

I'm interested in typography, fonts, layout and things related, resulting in a typeset version of the Sherlock Holmes canon at

previous projects


Over several years from 1999 to 2013 I've implemented a validated clincal trial management system for Synapcon Ltd. along with the entire IT operational management, from Postfix-based company mail server to a fail-safe server environment in two separate data centers.

tu darmstadt
and deutsche telekom

I've been doing research for the foundations of a recommendation system for TU Darmstadt and Deutsche Telekom AG in 2009.

dresdner bank

In 2002 and 2003, as well as from 2005 to 2006 I've been supporting the Dresdner Bank AG – now Commerzbank AG – in the implementation of a private banking frontend.