• Java Core.

• Frontend: HTML, CSS , JavaScript, jQuery.

• Database: SQL, MySQL, JDBC.

• Test tools: JUnit, Mockito.

• Building tools: Maven, Gradle.

• Logging framework: log4j, logback, slf4j.

• Web: Servlet , JSP, JSTL, SpEL, Thymeleaf.

• ORM: JPA , Hibernate.

• Web server: Tomcat, Jetty.

• Web framework: Spring 3,4 (IoC, MVC,Security, ORM, Mail)

• XML, JSON.

• Bitbucket

• Github