More than 7 years of experience in web development. Created complex back-end management systems including content management, e-commerce, customer relations, communication interfaces, Web Game. The projects based on PHP in conjunction with various other web development technologies. PHP (pure PHP, PHP with OOP, PHP with frameworks, CMS like Drupal), SQL (generic SQL, MySQL, PostgreSQL, ORM), JavaScript (generic JavaScript, JQuery, AJAX), Comet server (real-time data streaming), XHTML, CSS, XML and SVN, Git are used.