OpenCart platform specialist required

I am looking for OpenCart platform or website developer who can correct flaws in frontend layout (desktop, mobile, tablet), as well as refine the functionality of CMS OpenCart 3.0. After fixing all th I am looking for OpenCart platform or website developer who can correct flaws in frontend layout (desktop, mobile, tablet), as well as refine the functionality of CMS OpenCart 3.0. After fixing all the errors, optimize the loading of all types of pages on the site to the green zone Google Page Speed. Simplify the code as much as...