- .NET, C#, ADO.NET, MS Visual Studio 2003/2005/2008/2010
- .NET Compact Framework
- Java, Encryption, SWT, JFace.
- ASP.NET, Ajax
- SQL (MS SQL Server 2000/2005, Access)
- Linq to sql, log4net, NUnit, DevExpress, ComponentOne
- Jira, Confluence, SVN, TeamCity