Hello, How are you doing?
After reading your description carefully, I got your requirements fully.
I am an iOS, Apple WatchOS, Apple TVOS, Mac OS and Android development expert who have deep knowledge in Swift, Objective-C and Java.
Also I have got good experiences when I worked at the big software company.
Surely you will get best result as long as work with me. I can work with your timezone, so always contactable while you are working.
Eagerly hope to work with you for long term.
Looking forward to contact with you for more details.
Regards