At a glance, I have experience in following areas:
Have a lot of experience in developing Joomla extensions, Joomla templates, developing SOAP services and clients, developing web applications using Google and Yandex services (including Google and Yandex Maps), authorization / authentication with openID / Oauth, Twitter, Facebook services.
Have some experience with Drupal and Ubercart, developing Drupal &
Frameworks used: Joomla, Drupal, Yii1, Yii2, Phalcon, Sails.
Have experience with payment gateways : Paypal, Google Checkout, Authorize.NET