BigCommerce Expert Needed to Customize our Store

This is small project. Customizing bigcommerce. Modify theme to show product filters like size, color, price range on category page. Create custom option fields to show on product page. We don't have PRO account but per BigCommerce support, even without PRO account product filters (facets) can be programmed if developer is knowledgeable.

Apply only if you have worked on bigcommerce before and know how to accomplish above. We will not teach or train. We will pay contracted amount only on accomplishing contracted job.

Provide example of your work on bigcommerce store with application. We will not respond if you don't send us examples.