Hello. One of my previous jobs involved building an entire fully functional Woocommerce API alternative, with auth, pagination, request limiting, etc. So I am pretty confident in handling your task while it's not that trivial.
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10+ years of overall coding experience, 3+ years of eCommerce platform customization/integration, including Wordpress/Woocommerce, Magento, Prestashop, Shopify, BigCommerce, Opencart. Good knowledge of PHP/JS/MySQL/plugin development.