• Continuous learning and improving since 1986
• Professional experience since 1992
• Self-employed since 1998
• Research associate at the Institute of Informatics III, University of Bonn since 2007
• Collaboration in middle-sized to large projects
• Project leader and teaching proficiency in both university and company context

• Profession: Software engineering, research, academic teaching, consulting
• Specialization: Software engineering and development for the Ruby, Java, and iPhone platforms
• Additionally: Unix/Linux system administration in the range of Small Office/Home Office (SOHO), iPhone SDK

• Dynamic client/server and peer-to-peer component frameworks for desktops and mobile devices
• Aspect-Oriented Software Development (AOSD)
• Context-Sensitive Intelligence (CSI)
• Ambient aware systems
• Web services
• Middlewares
• Adaptive mobile gaming
• Agile software development (like e.g. Extreme Programming)
• Internet/Intranet web applications with Ruby on Rails
• Internet/Intranet web applications with the JBoss Seam programming model

Some of my interests set out in the form of technical buzzwords.

• Web frameworks
• • Rails
  • JSF
  • JBoss Seam
  • Google Web Toolkit
• Client-side technologies
• • iPhone SDK
  • Google Android
• SOA technologies / Component architecture platforms
• • RESTful web services
  • OSGi
  • Apache Axis
  • Apache CXF
  • Sun JAX-WS
  • EJB3
• Languages
• • Ruby / JRuby
  • Java
  • Prolog
  • AspectJ / LogicAJ / CSLogicAJ
  • UML