Flutter Mobile App -- 2

Looking for someone who can help in doing the following:
- Clean up the login/signup (OTP process), this has been set up but needs to fix an error that doesn't send code all the time.
- Login/Signup (with firebase phone OTP) with onboarding questions to be used for matching similar preferences
- Onboarding questions for matching, these questions will be used to match other users.
- Set up google or twilio API: chat video group chat, calendar, and email.

Technologies on the apps
Flutter, Dart, Firebase, Java

Let me know if you are interested in this project. Please provide previous work and experience in your proposal.