So you need a similar platform like Shopify - please confirm me.
Area of my expertise includes:
Php, Cake Php, YII, Laravel, Code igniter, Javascript, NodeJS, Angular etc; I have started career since 2005 and since then I am working with custom Php, Laravel, Code Igniter etc; Also worked with front end components like latest version html, html5, responsive css, Bootstrap, javascript, jQuery etc; With angular 2,3,4,5,6 I have very strong hands and completed many simple to complex level projects on it; Have sound expertise with Amazon web services, s3 buckets etc.
My internet speed is okay and hopefully I have no specific works - I am a full time freelancer. So easily can work with your time.
Looking forward to discuss details.