Hello SIr, I can help you to complete this job as per your requirement that you need to redevelop and design the existing drupal site asap, please contact me further to continue,
> Web Applications using PHP + MySQLi + API + jQuery
> Restful Web services: REST, SOAP
> Payment Gateway : Ccavenue, EBS, Paypal, Bitcoin
> Design Pattern : Bootstrap 3+
> CMS: Wordpress, Joomla