Writing software applications/ web pages. I use the following technology: Spring (mvc, security, core, beans, dao, rest, mock, aop), jdbc, Servlets, JSP, JUnit, Mockito, Hamcrest, Apache Beauties, XPath, JAXB, StAX, DOM, Google Protocol Buffers, Jersey, Easy Rest, Gson, Jackson, Google Guava, Apache POI, Apache TIKA, Apache Log4j,JavaScript, Ajax, JQuery, JQuery UI, ExtJs, Apache Maven 1.x, 2.x, 3.x, HTML 4.0.1, HTML 5.0, CSS, MySQL, MS SQL Server, Oracle, PostgreSQL, MongoDB, SVN, GIT, Jboss AS, Tomcat, Jetty, Apache PdfBox, IText, Bouncy Castle, Google drive API, Google App Engine API, Google OAuth2 API