Big Commerce Store Customization - Features

We are looking for a skilled programmer to customize our existing Big Commerce store. 1. Delivery Calendar at Checkout - Customers choose two hour time slots after shopping for delivery. please check this calendar on a different website login by creating account, [login to view URL] add few products and checkout to see model calender. we prefer more professional and attractive layout. regarding control we should be able to control delivery slots availability and able to display discount message for desired time slots. 2. Wish List : making more easier for customers to order from wish lists. adding select boxes next to wishlist products. [login to view URL] background colour for side category banner & flyouts. there will be continuous projects for right candidate.