Hello, Thank you for sharing opportunities. we are a team of 4 full time
freelancers having expertise on PHP and all CMS like WORDPRESS, OPENCART, JOOMLA, SHOPIFY, MAGENTO.
We also worked on AngularJS, NodeJS, ReactJS, CodeIgniter, LARAVEL ,shopify css + liquid files+html
worked on more than 300 websites.
i can setup this app on your product i have worked on custom tshirt site
message me asap.