We have very good experience on following in Java Stack: Web Technology: Servlets 2.3, JSP1.2, EJB2.0, ISML, Ajax, JavaScript, Web services(Soap,Rest) Frameworks: Jsf2.0, Struts1.2, Hibernate3.1, Intershop6.0, Spring3.0 IDE:Eclipse, NetBeans5.0, TextPad Web Server: Tomcat 5.5/6/7/8 Application Server:IBM WebSphere, WebLogic, JBoss4.0, Orion RDBMS:Oracle 8i/9i/10G, My Sql, Postgresql Other Tools: AWS, Solr, Couchbase, CA Wily Introscope, ACQT, VisualVM, Jprofiler, Vitalize, Microsoft Visio , Clear Case, HPQC, Toad, Perforce, WinSCP, Sourceforge, VSS, Putty, Ant, FileZilla, PowerTier, SVN, Jira, Bugzilla.