Urgently looking for FireBase Developer on an Notification App

About job

Looking for Firebase developer who can work on the already created application in Firebase. We need someone who can modify and also you can convert this app into a google chrome extension. If you can install this onto the android phone and then sync it with the customers pc so that same app can be installed on their pc silently that would be best So what exactly we need: 1) Modify the web skills app 2)Make it onto a chrome extension (where a customer might have signed in via Gmail id) 3) Sync it with the PC (if the customer has the same Gmail id logged onto their PC