I need E-Clinic with Video chat and text chat

Dear Bidder, I am a developer based in KSA and seeking to create an e-clinic for my client. We are seeking for developers with past similar experience like using webRTC. Please share your proven portfolio demonstrating similar skills. We need good price and someone to be in our budget and the chosen candidate will provide technician proposal as well. The system details are as follows: The full system will consist of the following elements: 1. Admin panel + Web portal for video calling + Scheduling 2. IOS and Android app for video calling and chatting and attachments + Scheduling 1. Admin panel + Web portal for video calling + Scheduling: Admin panel: The admin panel will let the administrators of the system to create system users and some personal info for doctors or patients. There will be specific section for doctors Profile. Scheduler: It will be a main part of the system. This will allow the administrator to set schedules of doctors’ availability and the patient will apply for an appointment based on that availability and free slot. Web portal: The we portal will carry all the feature of the applications that will allow the user or the doctor to log in and then conduct video calls based on appointments. 2. IOS and Android app for video calling and chatting and attachments + Scheduling The IOS app will contain login screen and it will redirect the user based in the fact that whether he is patient or doctor to their specific screens. The main functionality will be that the patient can apply for a specific doctor from the scheduler and it will send him a confirmation SMS saying that the appointment has been approved. Then at the appointment time the patient can video call the doctor through the application and conduct their diagnosis and treatment over video call. The video calling and chatting should be seamless albeit the doctor or users are on different platform i.e: (from web portal to IOS app, Android app to web portal and so on.