Software developer and kind of systems architect, programming mainly with JavaScript, jQuery, backbone.js, node.js and PHP (Symfony2) at work, designing and maintaining webapplications and setting up and managing deployment/release cycles.
In my private time I hack alot in Perl, C, CoffeeScript and any language which comes accross my mind.
My projects on GitHub
Stack Overflow
Q&A for professional and enthusiast programmers
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Game Development
Q&A for professional and independent game developers
WordPress Answers
Q&A for WordPress developers and administrators
Server Fault
Q&A for professional system and network administrators
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Reverse Engineering
Q&A for researchers and developers who explore the principles of a system through analysis of its structure, function, and operation
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Computer Science
Q&A for students, researchers and practitioners of computer science
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers