Automated funct. tests with selenium/phpunit for Joomla ext.

Hi, I'm looking for experience freelancers who can write good automated >>> PHPUnit and Selenium <<< - unit tests - functional tests The basic structure is set up, there's just need to write good tests which will browse through functionalities of the web application. Long term cooperation. Please reply with your experiences with these frameworks and your rate per hour. I'm ignoring the automated replies and company profile posts. Thank you! Thank you!