Microsoft technologies:Dot-net, C, Embedded C, C++/VC++/MFC/COM, C#, VB.NET, XML, XSL, Web Services, ASP.NET, WPF, WCF

Open source technologies: On Linux and Windows

Business Solutions: Biztalk

Databases: MS Access, SQL Server, mySQL and Oracle DB

Configuration Management: Team Foundation Server (TFS), SVN, VSS, Star Team