Improve login/registration experience on Ionic app with Loopback

Need help to go through existing app and improve and handle the user login, registration and verification process. You must have UI and frontend design experience, with an eye for details. SCOPE Develop, design UI and test using hybrid mobile application (Android and iOS on Ionic framework). Complete, fix and improve the user login, registration and verification process (mostly from the startup screens). You will be required to fix some some of the backend API services (if required); you are also required to complete and wire up the calls the backend APIs and work with the API developers for functionality requests (Loopback JS framework); also web admin end. FUNCTIONALITY 1. User management features like user profile, avatar, password rests and login/registration and verification. 2. Add proper validations against duplicate users/email/etc 3. Add proper validation messages and alerts for failed registration 4. Add Icon and countdown timer for verification code sends (both email and mobile phone) 5. Add country flag and mobile phone format validations 6. Mostly UI and frontend work, with some nodejs/mongodb modifications. 7. Ensure email/ verification sms messages are sent and the code are generated 8. Ensure verification is possible either via email/web link or in the mobile app 9. Make sure appropriate authorisations are set. 10. Ionic framework app + [login to view URL] backend 11. Testing and Documentation for Delivery FURTHER BACKGROUND -The full requirement and specification document will be discussed with the successful bidder. -For the right developer this will turn into a stable long term partnership with further modular work -IP and copyrights will be unconditionally assigned to us -Sub contractors need not apply. PAYMENT: -Milestone payments will be created on progress. -Contract must be signed in order for project to be regarded as completed. -Release of payments only on completion of project, not for achieving milestones (this includes post deployment period in which we will need to ensure your developed functionality is free from defect and functions as required) -Full payment will be released to you within 5 business days after the project is satisfied, approved and contract signed. Mention in your reply: "IONIC+NODEJS+API" so we know you've read the project brief. PS: Preference if you could also read Chinese