Operating Systems: Windows, Linux, Sun OS Database: Oracle, MySQL, MSSQL Server Programming Languages: Java, C#, C++ Script Languages: SQL, Javascript, XSL Technologies: JSP, Servlets, JSF, JDBC, JNI, EJB, JPA, JMS, Web Services Frameworks and tools: Building: Ant, Maven; Testing: JUnit, TestNJ, Selenium Application: Seam, SWT, Swing, Hadoop ORM: Hibernate Business Intelligence: Pentaho BI, Development IDE: Eclipse, NetBeans, MS Visual Studio