Bigcommerce help

1. We have a working Bigcommerce site and we found out that we have Java script errors in our template. Please provide a quote to fix any Java errors or any other errors on our bigcommerce sites (we have 3 of them and since all sites are using the same template the fixes should be same for all. We will provide site URLs in PMB + any additional information later. 2. I would also like you to suggest any enhancements that can reduce load time of pages... especially can be noticed when you load product page where it take some time for the page to come to place and also when you do a search... 3. Very Small fix- Need to reposition the social icons and print/email buttons on product pages, when long name it overlaps. ONLY Bigcommerce experts with proven experience and high customer satisfaction please apply... We thank you for your time.