Programming Languages: C, Perl, Java, JSP, Javascript, SQL, shell scripting. 10+ years of GNU/Linux experience in system administration and software development. CVS, SVN, GNU toolchain (gcc, gdb, autotools), package managers, documentation systems (docbook ,doxygen). Operating systems: GNU/Linux (Debian, Ubuntu, Fedora), Solaris, OpenBSD, FreeBSD, HPUX and MS Windows. Networking skills in TCP/IP and deep knowledge of application level protocols (HTTP, POP3, FTP etc). Security skills on system, network and programming level including cryptography and encryption. Databases: Sybase, Oracle, Mysql, Postgresql XML and related technologies including webservices, relax-ng, xslt etc.