20 years of Java development. Mostly, back-end for either web applications or desktop java.
5 years of C++ development.
OSGi 7 years JEE 4 years Spring 4 years
Keen interest in concurrent programming, network protocols, distributed programming, and estimating.
Lots of experience with security including Public Key Infrastructure, TLS, SSL, encryption, OpenSSL, FIPS, etc.
10 years experience with various UNIX flavors especially Linux.