Tomasz is a Principal Software Engineer working on application platforms and tools. For the past few years Tomasz has been focusing on Node.js, JavaScript, and Windows Azure. He drives several open source projects and initiatives related to Node.js on Windows (iisnode, edge.js). Prior to Node.js, he worked on .NET Framework, web services, and security. Tomasz joined Microsoft in 2001 after graduating from the Poznan University of Technology in Poland.