Development

Database Systems:
Microsoft SQL Server, PostgreSQL, ORACLE, NoSQL, Cassandra, MS Access, Sybase, SQL Anywhere
Development languages:
C#, PgSQL, Transact SQL, PLSQL, CQL, VB Script, Perl, R, ASP.NET, Java
Visual Studio:
C#, ASP.NET, SSIS, MS Report Server
Other Tools:
AWS, Telerik, XtraReports, ETL tools (SQL Server, Oracle, PostgreSQL), DotNetNuke