shopify website changes

My business is looking for a skilled designer who can help us make specific design change to our Shopify website. I have particular design changes in mind, though I am open to recommendations if the designer has any valuable ideas. This project needs to be completed within a week. The ideal candidate must have experience working with Shopify, specifically making design changes to websites. If you believe that you possess the skills necessary to complete this project on time and within budget, please let me know.