Hello,
As per your requirement say that you need a Walkie Talkie Application
As per your job description, I’m Shefali, I am the senior developer in my Company we are over 40+ developers here.
I am a Senior developer who has deep knowledge of mobile app development. I have a team of 40+ developers who can work on your project. Flutter /Async Redux / Firebase are all familiar to us. Flutter, React Native, Ionic, Xamarin for Hybrid and Objective C, Swift, Java for Native are all graduated programming languages in my team.
If you award me the project I'd be very happy to discuss this further and get started for you as soon as possible.
Regards
Shefali