I'm a freelancing agile software developer from Hamburg, Germany
focusing on web development with Ruby on Rails.

Beside supporting development teams, I build web applications with Ruby on Rails for clients and provide consulting and trainings.

I'm a Rails book author, Rails conference organizer, RailsJobs.de runner, book worm, part time blogger and did some talks.

I'm available for hire on a freelance basis. If you need a skilled and experienced software professional please feel free to contact me or find out more about me first.


  • Supporting software development teams (on-site or remote)
  • Building Ruby on Rails web applications (including requirement engineering, project management, CSS/HTML, JavaScript, server administration, hosting)
  • Consulting, code reviews, coaching
  • Ruby on Rails trainings