Hi,
I have gone through with your requirements and I have exact match skills as the current project.
I am an experienced Joomla developer and much experience in virtualmart and ready to fix your site issues and update UX/UX also Optimize your site speed.
I can Optimize the site to make it less load time by using :
Image Optimization,
CSS Optimization,
Minimize redirects,
Defer parsing of JavaScript,
Optimize images,
Minify JavaScript,
Java script & JQuery ,AJAX optimization and Removing Conflicts etc.
I have over 7+ year of work experience in Joomla development, Customization, Optimization and Bug fixing with long list of satisfied clients. I assure that you will get 100% result and Quality work from here.
Kindly check PMB to proceed further with nice and clean approach.
Thanks
Regards
Manish