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Javascript (Sencha/ExtJS, Node.js, JQuery, Backbone, Underscore, three.js, Angular.js, React), C# (Webforms, Winforms, MVC, MVVM, WCF), PHP (Wordpress, Joomla, Drupal), Databases (MSSQL, PostgreSQL, MySQL, SQLite, MongoDB), Markup (HTML, CSS, SASS, Jade), E-Commerce (Realex, Commidea, PayU, PayFast, Paygate, Paypal, Bitpay), Mobile (iOS, Android and Xamarin)