Hi. I can do this as Ionic, mobile app expert.
I have gone through your requirements and I am very pleased because this job is good fit with my skill set.
I have been working as a full stack developer for 5+ years and I have a good experience in this aspect.
I have much experience in Web(javascript, especially angular.js, vue.js, react.js, and PHP, mysql.) and Mobile App(iPhone, Android, React Native, Flutter, etc)...
Let's chat to proceed further
Best Regards. Evgeniia.