Need to Develop Messenger app similar to WhatsApp application

We need to develop the messenger app (like WhatsApp) under kotlin MVVM / Swift MVVM using socket and web RTC (native and Katlin). The application is quite similar to WhatsApp and Facebook messenger. This messenger application will also be sync with our social community application as well. Reference as WhatsApp

Tech stack:
…
Swift - mvvm ( socket.io) + webrtc /AGORA... ( For iOS app)

Kotlin - mvvm ( socket.io) + webrtc / AGORA...( For Android app)

It contains the basic features like
- All type of sharing features like - Image, Gif, Video, Location etc
- one to one chatting
- group chatting
- one to one audio and video call
- group audio and video call, etc

Note - We are developing this application, we need expert candidates to take over the ongoing work.

Current Work Status
..................
As we are already woking in this application, so these things has already been done.
- Project Document ---- Done
- Project figma designs ---- Done
- We have also done some XLM designs as well