Organizations developing in Java and other Open Source tecnologies require senior specialists with industry specific knowledge and skills across environments, methodologies and modeling paradigms. RSQUARE consultants meet the highest standards in the industry for outstanding applications development using Java and other open source technologies.

Java & Open Source Competencies |
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| Java Stack | JavaSE, JavaEE (EJB, JDBC, JSP/JSTL/JSF, Servlets, JMX, JAXP/JAXB, JMS, JTA, JAAS, JNDI, JPA), JavaME |
| Libraries & Software | Spring, Hibernate, Struts, Wicket, AppFuse, Google Guice, Quartz, Axis, Xerces, AspectJ, XDoclet, JUnit, JMock, Selenium, CruiseControl |
| RIA | Google Web Toolkit (GWT), ExtJS, jQuery, Dojo, DWR, Flash |
| Middleware | Apache Tomcat, Apache HTTPD, Oracle WebLogic Application Server, Oracle WebLogic Integration Server, Oracle WebLogic Portal Server, IBM WebSphere Application Server, IBM WebSphere MQ, IBM WebSphere Portal Server, JBoss Application Server, webMethods Integration Server, OSGI |
| IDEs & Tools | Eclipse, IntelliJ IDEA, WebLogic Workshop, IBM Rational Tools, vi, emacs, Ant, Maven |
| Open Source | Apache HTTP Server, PHP, Python, Perl, Ruby, Mondo DB, MySQL |
| Version Control Systems | Perforce, CVS, SVN, Mercurial |
| Methodologies & Tools | Agile Software Development (Scrum, Extreme Programming), Test Driven Development, Aspect Oriented Programming, Rational Unified Process, Unified Modelling Language, SOA |
| Processes | CMM, Six-Sigma |










