Need a Mobile App developer - Android & iOS

We need a multiplatform mobile app developer. Need a highly skilled & experienced developers. 1- Primary care (drop downs) 2-Maternity care (drop downs) 3-Cosmetic and beauty care (drop downs) 4-General care (drop downs) Login page - OTP Welcome Message for a user - Hi, XYZ! Glad to see you Home. 1. PRIMARY CARE :- Regular Checkup Gynae Care Breast Health Care Women’s Heart Care Women’s Cancer Care Women’s Diabitic Care 2. MATERNITY CARE :- During Conception During Pregnancy During Childbirth High Risk Obstetric Care New Born Care 3. COSMETIC & BEAUTY CARE :- Weight Management Plastic Surgery 4. GENERAL CARE : - Period Tracker Contraceptive Pills Tracker Fitness Tracker Ask Consultant Functionality: User account creation to access the site (OTP) Paid Subscription option User Profile (consist of user's medical health history/ personal info) Make Dr. Apt Make Home Visit Apt for Blood Test Book Ambulance Cart Gift Chat Support User Feedback Setting Group Messaging Push Notification Geo Fencing User's Personalize Setting (theme color, font style) Search Option Payment Gateway Social Media Integration Cart (shopping of medicines / medical equipment) Screen / app Sharing In-App Advertising App Submission Health Article A few more... Important: UI design is ready. No advance payment. 1st Milestone of 10 percent will be released after the backend work is done. Project deadline - 18 days. We need frontend, backend, web admin and apk