Hello Sir,
I have read your project description , I have complete skills you need for this project, About me I am full-stack developer with 6+ years of reach experience in applications development and developed more then 200+ mobile apps with good team.
I have skills in latest version of Ionic 3, Integrating Rest service, Oauth and payment integration and many more framework and technologies. I am not limited to certain technologies i can learn and implement new things as well. you will also get free after delivery services from me.