As I see Alex has not bid on this. So I am bidding it to help you out in it as I am also skilled in your requirement. You can go over my profile to understand the level of work I can offer. So just inbox me to discuss it in detail.
Hi,
I am Moses and I have ample experience working with firebase (realtime and firestore databases) and send-grid also. I am a full fledged MEAN stack web developer with latest version of Angular development framework.
I will love to work with you and build a long-lasting and professional relationship with you.
Feel free to message me and let's get started
Cheers!