Programming languages

• Java
• JavaScript
• SQL
• PHP
• Bash
• Python
• Groovy
• C & C++

Web technologies & frameworks

• (X)HTML
• CSS
• jQuery & jQuery UI
• Kohana 2.x, 3.x (PHP Framework)
• RESTful web services

Java technologies

• Spring Framework
• Spring @Web
• JBoss AS
• JBoss Seam
• Weld / JSR-330
• RichFaces
• PrimeFaces
• Hibernate
• JPA 1 & JPA 2
• EJB 3, 3.1
• JSP, JSF
• Java Mail
• Struts
• Swing
• BouncyCastle
• Apache Shiro

Prefered IDE

• IntelliJ IDEA
• Eclipse
• NetBeans
• JDeveloper
• SQLDeveloper

Databases

• Oracle
• MySQL
• SQLite
• PostgreSQL
• Firebird
• IBM DB2
• Microsoft SQL Server 2000

Version control systems

• Subversion
• Bzr
• Git
• CVS

Build tools

• Ant
• Maven

Administration

• JBoss Application Server 4 & 6
• Linux servers (CentOS / Scientific Linux / RHEL / Debian / Ubuntu)
• Apache Tomcat 5, 6 & 7
• Hudson & Jenkins continuous integration servers
• Apache HTTPD
• Artifactory
• OpenLDAP
• Trac