Hello,
I am working in Android and iPhone application development from last 7 years. I have gone through with your requirements and find that my skills best suits with your project requirements.
I am having good skills with latest Swift 4 and Xcode 11.
I am having great hand of experience in AWS, REST services development, third party SDK integration, Native complex functionality development using NDK, NFC and bluetooth functionality integration in mobile apps.
Please drop me a massage for further discussion.
Regards,
Pinki.