Python, Django, JavaScript, HTML5, CSS3, MySQL, Social Authentication. Full configuration of Linux servers to deploy Django applications. 

 Software Version Control – Git and github.

 Payment gateways:  Paypal, Stripe, Authorize.NET, First Data.

 Salesforce & ServiceMax helpdesk.

 CMS (Joomla & Drupal, Wordpress), OSCommerce, VirtueMart.

 Adobe Photoshop & Illustrator CS5

 Google Maps API.

 Google Cloud Engine.

 Amazon S3.

 Azure

 - SEO and SEM:

 Google adwords, Analytics, Adroll, Unbound, Adsense.

 - Ecommerce:

 Volusion, Prestashop, Shopify

 - BaaS (Backend as a Service):

 Parse, FireBase, Backendless

 - Mobile Development:

 Native Android applications with Java