Magento Certification: http://goo.gl/zAxHB .
I have good experience in PHP, HTML, JS mostly using MySQL at back-end. Produced HTML layouts has good quality W3C valid. As JS framework I usually use jQuery but also familiar with other ones. Have experience working with Symfony, Zend framework at the moment mostly working with Magento. Have strong understanding of OOP concepts and JS prototyping.
Magento-related (both EE and CE):
Magento eCommerce Test
oDesk Readiness Test for Independent Contractors and Staffing Managers