Full Stack Ruby On Rails developer for Spree eComemrce Modification

I need an experienced Full Stack developer who can modify Spree eCommerce with these modifications: 1. Change the UI of the pages, add our logo (eg; Similar to [login to view URL]) 2. Add more taxanomy to filters 3. Integrate stripe payments 4. Integrate USPS delivery 5. Add reviews/ratings for each product and add that as filter criteria in the search result (Check [login to view URL]) (Preferably as a gem) 6. Collect Feedback and display as a section below the page (Preferably as a gem) 7. Collect email to subscribe for news letter, when the customer visits the site or is trying to leave the site. (Preferably as a gem) 8. Deploy in AWS (Or give me scripts to deploy) T&C to agree before you start work. a. You have to certify that its your original work. b. You have to certify that the copy rights belong to me. c. You should never show or use this code for any other clients of yours d. You have to provide the code and relevant information to run the application in my local dev environment to test. e. You will develop the code using best practices of Design Patterns and should confirm to highest quality of coding. Give me estimate of hours that you would need to complete the work. Most of the gems have already been made and can be configured. You can find the gems here: [login to view URL] Please provide github when you reply. Thanks