I am a Senior Software Developer at 1&1 United Internet AG. My main focus is on the backend of provisioning and mediation systems.

Current and Past Positions

• April 2009 – August 2019: IT Consultant at Logica Deutschland GmbH & Co KG, Karlsruhe, Germany
• Mar 2005 – March 2009: Computer science researcher in e-learning and artificial intelligence at Saarland University, Saarbrücken, Germany
• Feb 2004 – Feb 2005: Computer science researcher in e-learning and artificial intelligence at DFKI, Saarbrücken, Germany

Professional Interests

• Service-Oriented Architectures (SOA)
• Java/J2EE
• Spring, Hibernate, Web-Servcies

Talks

• e-portfolio: Der Stand in Deutschland
  LearnTec 2007 [ PowerPoint ] Wegen Krankheit wurde der Vortrag abgesagt.
• Using blogs for learning logs
  ePortfolio 2006 [ PowerPoint ]
• Helping Students to Learn Matehmatics Beyond LMS
  Sakai 2006 [ PowerPoint ]
• ePortfolios in ActiveMath
  ePortfolio 2005 [ PowerPoint ]
• Interactive Concept Mapping in ActiveMath (iCMap)
  DeLFI 2005 [ PowerPoint ]
• Designing a Proof GUI for Non-Experts (given by Christoph Benzmüller)
  UITP 2005 [ PowerPoint ]
• ActiveMath – A Learning Environment for Mathematics
  ABIS 2004 [ PowerPoint ]

Past Projects

• InterGeo
• LeActiveMath
• Mippa

Past Teaching Activities

Lectures

• Tutor in the Educational Data Mining Seminar
• Tutor in the Educational Technologies Lecture
• Tutor in the Intelligent Tutoring Systems Seminar 2006
• Hands on Mathematics for Computer Scientists Seminar (05/06)
• Hands on Mathematics for Computer Scientists Seminar (04/05)
• Tutor in the Proof Planning Seminar 2004

Tutored students

• Thorsten Schanno (Diplom): Semantic Competency Matching
• Anna Hingott (Magister; Informationswissenschaften): e-portfolios
• Michael Bellem (Bachelor): Analysis and improvement of behavior graphs
• Emil Zankov (Bachelor): Graphic and interactive fractions representations
• Philipp Kärger (Hiwi): Concept Mapping Tool