Web development

I need my website re-configured. Need a professional Web designer to fix my shopping cart/payment gateway on my prestashop Description Experience Level: Expert General information for the website: Prestashop ecommerce website Main issue: solve shopping cart/payment gateway Kind of development: Customization of existing website Description of few pages/module: text enhancement home page, reduce loading time, reduce bounce rate, fix database bugs, configure plug ins and increase traffic. Description of requirements/features: A new entrance page (home), reduce loading time, reduce bounce rate, fix database bugs, configure plug ins and increase traffic. Extra services needed: Customization, Optimization Need website clean up + bug fixes. Clean up major things that might be causing a drop in search rankings including rewriting some codes, installing or deleting plugins, removing bugs, modifying pages, deleting duplicated pages, fixing broken links, etc. Modify navigation structure if needed to make my site search friendly. Speed up my site. Use plugins and/or modify some coding on the site to reduce the size of my website, thus making it faster. Install essential plugins + tools. Install plugins or tools that will help me maximize my content reach.