Apache, Apache Ant Build Tool, Apache Struts, Atlassian JIRA, Bug Tracking/Defect Management, CSS (Cascading Style Sheet), Git, HTML (HyperText Markup Language), Inversion of Control (IoC), JUnit, Java, Java Persistence API (JPA), JavaScript, JavaServer Pages (JSP), JavaServer Pages Standard Tag Library (JSTL), Linux Operating System, Log4j, Maven, Multiplatform/Cross-Platform, Object Relational Mapping (ORM), Operating Systems, Oracle Database, Project Tracking, Project/Program Management, REST (Representational State Transfer), SOAP (Simple Object Access Protocol), Service-Oriented Architecture (fka Distributed Object Architecture), Software Development, Subversion, Test Driven Development (TDD), Tomcat, United States Citizen, WSDL (Web Services Description Language), Web Browsers, Web Programming, Web Services, XML (EXtensible Markup Language)