Hello there,
hope you are doing well we are here for your help we can do this task within given time and cost we have a experienced team over here.
here are skills releted your requirements
+ E-commerce Website
+ Payment integration, Paypal API etc
+ ASP.NET, C#, PHP,Laravel, Shopify, Codeigniter, Word Press, Joomla, Megento, Drupal, HTML & HTML5, PSD-HTML, Ajax, JQuery, CSS, JavaScript