I'm a web / frontend developer.
Currently freelancing as lead/senior front-end developer at Unitymedia in Cologne.
Previously freelanced at 1&1 Telecommunications in Karlsruhe, Germany. Before that I've been working freelance as a Mobile Web App Developer for SapientNitro also in Cologne, Germany.
Supported edX / BerkeleyX's CS169-1.x as a World Teaching Assistant. Studied Coursera's Stanford Startup Engineering and many more Computer Science MOOCs.