Shopify UI/UX expert needed

I need a Shopify UI/UX expert to help me renovate my existing website. It's not just about developing the website or following what we say but also suggesting us on what would the best way to design its UI for the maximum conversations/Sales. I have reference websites that I will provide. Those who have successfully designed UI/UX interface for various websites and have live examples of how they are working i.e. how smooth they are from the customer's point of view (no matter if its Shopify or an app or other types of websites) will be given preference. Happy Bidding.