What I worked with/did so far :PHP 5 / MySQL web development , including writing code for multiple webservers behing load balancing , clustered/replication databases , code and db optimisation , worked for 2 companies with large trafficPHP frameworks exp. : CodeIgniter , ZendFramework , Wordpressmemcached apache , nginx administrationSphinx search engine HTML/CSSJavascript : ajax tehniques , frameworks : JQuery , YUI , Mootools , DojoCDN know-how , WSDL , FB API AWS , linux administration I'm interested in serious projects, but smaller works are fine too .