Stefan started to work with SAP in 2004 directly after he has finished his Msc. at the FH Darmstadt. He jumped into SAP NetWeaver and the SAP NetWeaver Portal and has worked in several projects with this technology since then.
Other current working areas are still plain J2EE Development and Counsulting.
Before working with SAP NetWeaver technology he has worked for Fraunhofer SIT as a student and as a member of the research staff. He has developed several applications working with security and PKI technology (e.g.NSI).