As a frontend developer, Jan Deppisch implements enterprise web applications for mobile and desktop use. State-of-the-art tools such as SASS and Grunt are among the tools he uses. At AOE he is part of the Scrum team that implements sophisticated web applications for Deutsche Telekom. Previously, he was active as a freelance developer and consultant for large agencies and clients for more than ten years. He is the driving force behind the Frontend User Group Rheinmain.