looking for Magento Mobile app Developer

Hi I am looking for Magento Mobile app Developer - here are the details:- [login to view URL] should be able to register for business account providing business details in registration page & Validated by Admin) 2. Pricing Module in back end to assign different price to different customer/customer group 3. Delivery Time Slots in checkout 4. Special Conditional Promotional Offers using 5. Multiple Delivery addresses 6. Built in Live Chat in app and web 7. Reoccurring Delivery options with discount (customer can place order Daily/Weekly/Monthly) [login to view URL] App for driver with direction to customer for drive 9. Seller account registration and enable them to list the product and edit the price 10. Customer organization management module that can mange stores/users/budget/cost/permission 11. Loyality program I need a developer who knows Magento and its API to sync with mobile app I will buy the extensions