Migrate Zencart to WooCommerce

I need an experienced developer to migrate my B2B ecommerce store from Zencart to Wordpress WooCommerce.

Key tasks include:
- Integrating payment and shipping, specifically with Opayo
- Populating the site with products through data feeds from three different suppliers
- Setting up product variations, such as size and color

The ideal candidate should have:
- Proven experience with Zencart and WooCommerce
- Strong skills in payment gateway integration, especially Opayo
- Ability to work with data feeds to populate products
- Familiarity with setting up product variations on WooCommerce

Please provide examples of similar work done and an estimated timeline for completion.