Joomla Experience: Experience creating custom Joomla extensions (plugins, components, modules, etc.), knowledge of the Joomla Platform 12.1 API.
PHP Experience: min 3+ years experience, knowledge of PHP 5.4 and experience on object-oriented development of php.
Mysql and Sql scripting: min 2+ years with hands on experience in developing custom scripts for updating joomla database, and mysql query optimization.
Good to have Javascript, jQuery, HTML, CSS
Ability to quickly come with solutions for issues at hand and work in fast paced team.