Hello, I has gone through your initial requirements.
I has very good expertise in this field and confident to provide you perfect result with high satisfaction. Please have a look on my efforts as following;
Especially I have plenty of experience in chat application
Let's build good project together!
I am expert in android and iOS with 5 + years experience.
Full stack developer
Main skills are following
-android java, kotlin
-iOS swift , object c
-react native/hybrid, cordova, xamarin
-backend: Python, Node, ROR, php, laravel
-frontend : Angular, React + Redux, Html5, CSS, jQuery, Bootstrap, Wordpress
-AWS, GCP, Firebase, Heroku, Azure
-Mysql, PostgreSQl, Nosql
Please check the following apps on store, , that the clients had satisfied with my works and ping me to discuss about your project