Avetti commerce platform - Java

We are looking for an expert in Java who can help us implement the below mentioned changes on our ecommerce platform The platform is on Avetti commerce platform. 1.Set-up enhanced e-commerce google tracking on website [login to view URL] Facebook conversion tracking [login to view URL] Google Conversion tracking [login to view URL] Merchant center website verification [login to view URL] google rich snippets [login to view URL] performance issues - improve page load time [login to view URL] mobile issues - [login to view URL] pages are not responsive. Make all pages responsive [login to view URL] errors in some of the category link pages [login to view URL] issues