Java Senior Developer (+14 years experience) - backend development (Spring, JPA/Hibernate, iBatis, JEE, ...)
Web Developer (Flex, html/js/css) (+10 years), much less skilled than Java.
Database Designer (+10 years) (Oracle, MySQL/Maria, DB2, Derby).
TMA Expert
System Administration - Linux SuSE, Redhat.
Atlassian JIRA and Confluence administrator and plugin developer.

Much more to say but hey... you know the principal...