Shopify Liquid & Shopify Store Ongoing Help work by hour

Need experienced Shopify Expert, work with me ONLINE, make changes as I need. By online I mine, we can communicate here, work is made on PLATFORM that I see how changes are made and how it look and function. [ I already try same Freelancer, extremely slow, I don't need a cheapest offer, I NEED QUALITY AND QUICK IN WORK = MY SATISFACTION. I pay you right after every single work is finished online. Please, bid by hour pay: keep you bid amount, don't change. Thanks