E-Commerce Web Developer Needed

I'm seeking a flexible web developer with extensive experience in e-commerce. The goal is to create a site that serves variable requirements. You would leverage the most suitable platform for each instance, be it Shopify, WooCommerce, or Magento. Although the functionality is subject to change, familiarity with online payment integration and product catalog creation is ideal. User registration and login might be required in some cases. Therefore, developers with a broad skillset that can adapt to varying requirements are preferred.
Work will given to only skilled person.