Create solutions to large-scale problems, and quickly turn them into reliable products
September 2004 - present
Principal Engineer. Design and implementation of various parts of Yahoo's central CI pipeline, ranging from Yahoo's application repo server to a large-scale distributed deployment system used daily by Yahoo's biggest properties. Created vast array of development and deployment tools, used daily by many Yahoo engineers to control hundreds of thousands of servers. Perl Wizard, defined the company's Perl strategy, architected Perl module deployment infrastructure, provided guidance on many of Yahoo's Perl projects.
September 1997 - September 2004
Lead Engineer. Design and implementation of AOL infrastructure products. Projects: Screen Name Service, AOL's main user authentication and registration system for Web applications. MyNews, a system for personalized news. Unified Preferences, a Unix-(TCP/IP)-based, high-performance, highly-available distributed AOL-Backend System to serve critical data to the AOL client Welcome Screen and to other high-profile applications.
October 1996 - September 1997 Senior Software Engineer. Design and programming of system software for an Internet multi-user communication server (chat, 3D motion).
Technical University, Munich, Germany 1991, Masters degree in Electrical and Information Engineering.