I design (functionally and technically) and implement software for a living. Mostly web applications in PHP or C#/ASP.NET.
Q&A for professional and enthusiast programmers
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
Q&A for those using, extending or developing Emacs
Q&A for programming puzzle enthusiasts and code golfers