Looking experience wordpress developer for solve issues

We are looking for an experience developer for woocommerce site for some following development tasks- 1. Add review option on product description page. 2. When we set price value 0 of custom options than its not showing on frontend, need to correct this. 3. Need to hide/unhide custom input fields with some custom options on product description page. 4. Custom input fields value need in emails on both user end and admin end. 5. Need to add many products on cart. Currently it adds only one at once.