Hello Sir, hope you fine, I can help you to fix the issues facing in the opencart website which are listed in the description, please contact me further to fix this asap,
> 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