E-commerce website with custom "unlimited variant" products

I have created a furniture configurator in Three.js for customers to configure their ideal furniture. I now require a developer to integrate the configurator into a e-commerce website of your reccomendation for handling "unlimited custom variants".

Wordpress with woocommerce or Magento Open Source reccomended plus custom work/plugin to accommodate custom configurator.

Scope of work:
    1. Assist client to select appropriate theme and to configure:
        a. Responsive for desktop and mobile.

        b. Accommodate custom configurator. The configurator page should have the configurator between the header and footer section.
        c.
To create and advice ways to link products to the configurator. For example, a product showing a table of size 1m x 1.5m to be passed to the configurator page with the required parameters so that the configurator loads the shown product.
        d.
Perform minor theme customization such as color scheme and add in branding items including a video provided by the client to the front page header.
        e. The theme should have the following page:
            i.
Front page
            ii. Product page
            iii. Configurator page
            iv.
About page
            v. Contact Page
            vi. Blog
        f.
Assist with putting in google analytics code
    2. Pricing and weight calculator
        a. Weight and pricing calculator to be coded in javascript by in-house team.
However, the developer needs to setup the backend and provide the setup for rest api for the configurator and e-commerce platform to obtain price and weight. The code function to be coded by in-house team.
        b.
Setup database for the weight and price calculator to obtain information for use by in-house team code. To link the database field to admin dashboard for pricing changes.
    3.
To setup and host the project on client AWS account. Assets to be hosted on S3(on cloudfront CDN) for fast response and loading time. The database and backend used for e-commerce should be able to scale up easily to at least 1000 active users if required.

        
General requirements:
    1. The website will have customer accounts, cart reconciliation
    2. Best practice on security and customer and admin information to be adhered to
    3.
E-commerce platform to calculate shipping cost to be calculated based on region(states in a country) and weight of a product.
    4. Admin dashboard for:
        a.
E-commerce order management
        b. Pricing and weight setup
        c. Blog post
    5.
Payment gateway open to the following: To decide soon: stripe, ipay88, eghl, razerpay.
        6. To provide at minimum weekly updates.