Hi,
I can start immediately, I can fix Joomla issues with your shopping cart. I have fixed many complex issues in PHP and Joomla including Cart, Booking, wish list, Security, shipping, Multi Store, Auctioning, Multilingual etc.I have more than 8 year experience in PHP, Wordpress, Joomla, Virtuemart, Javascript, HTML5, CSS3, Responsive and cross browsing.