A modular, high performance, headless e-commerce platform built with Python, GraphQL, Django, and React.
Another rec in addition to /u/IgorDuga's that sounds right. Check out existing open source e-commerece stores like https://github.com/mirumee/saleor or https://www.medusa-commerce.com/ and see if you can't find a developer who works with those.
Fast E-commerce Framework
1 project | reddit.com/r/ecommerce | 31 Dec 2021
Saleor - a GraphQL-first open-source e-Commerce platform
1 project | dev.to | 8 Dec 2021
Saleor x Jamstack Conf
1 project | reddit.com/r/SaleorCommerce | 4 Oct 2021
MacawUI: A UI Design Kit for Saleor Dashboard
3 projects | reddit.com/r/SaleorCommerce | 7 Sep 2021
Tips for a Noob Web Dev Building an eCommerce Website for the first time (using WordPress)
1 project | reddit.com/r/webdev | 30 Aug 2021