Hello, Dear client.
I have read your job description carefully and it's very interesting to me.
I am working as Mobile Developer for 6 years and developed several Android and iOS Mobile apps using Android Studio, XCode.
I have for 6 years experience in Java, Kotlin, Swift, Object-C, Xamarin.
And I have for 3 years experience in Flutter and Ionic.
I am ready to work and willing to work for you.
Thank you for your time and hope for your reply.
Kind Regards.