Stefan Kaes
Project Lead, Stefan Kaes - IT-Consulting und Systemsoftwareentwicklung


Dr. Stefan Kaes has been involved in Rails core development since early 2005.

He’s running a blog focused on Rails performance, has contributed more than 40 patches to Rails core and developed several Rails plugins, available from RailsExpress.

He’s the author of railsbench, a development tool for performance measurement of Rails applications.

He’s currently working as a Rails consultant for AutoScout24. In addition, he’s started work on a Rails book for Addison Wesley, focusing on writing efficient Rails applications. The first finished chapter is available as a “shortcut” on informIT.


11:35–12:20 Wednesday, 3-09-2008
Location: Saal Maritim A Level: Intermediate
Stefan Kaes (Stefan Kaes - IT-Consulting und Systemsoftwareentwicklung), David Anderson (, Larry Baltz (
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Replacing an old system, which has been in use for several years, is never an easy task. In our talk we will show you how we used Rails and other open source technologies to build a new system which, in our view, surpasses the old system in both functionality and usability. Read more.
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