Mobile and server-side software engineer, Technologist, Pragmatist, Gamer, hobbyist Game Developer, with more than 20 years of development and system administration experience.
Currently developing using: Java (Android + back-end), Objective C, C# (inside Unity).
I am a Zend Certified Engineer (PHP) and also certified in MySQL 4.1, and I have several years of experience using MySQL from version 3.23 onwards up to 5.x
I am familiar with PostgreSQL and Oracle.
I've worked on osCommerce before, and even made some contributions back to the project. I've worked with Wordpress, and am also quite familiar with the way that Wordpress themes and plugins work. I can extend it to meet your requirements.