Hello ,
Nice to meet you, I hope you are well there!
I will fix your iOS chat issue of firebase chat.
I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for.
I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now.
I will finish this job in less time and lower budget because I am developer myself.
I will provide you daily or weekly update. I am available for communication with you daily 10 hours.
I will provide you complete source code on final delivery with all required details credentials.
Thanks