Working for SDX AG, Frankfurt am Main, Germany (www.sdx-ag.de)
For german bits of knowledge from me and my colleagues visit our Flurfunk-Blog.
Q&A for professional and enthusiast programmers
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Q&A for computer enthusiasts and power users
Q&A for system and network administrators
Q&A for professional programmers interested in conceptual questions about software development
Q&A for meta-discussion of the Stack Exchange family of Q&A websites