Integration of API in flutter project (API are in XML and so on)

Hello! How are you? I've read your requirements carefully and now have full confidence. Because I have rich experience in PHP/MySQL for over 10+ years. So I could build your app in short time with the best quality. Please discuss in detail. Thanks for your job posting! Best Regards.

Hi, My name is Larry, an Australian Sydney-based Full Stack Developer. I have more than 10 years of experience building high quality web, Android and IOS apps for both backend and frontends. I have strong experience with Flutter, ReactJs, Angular, .NET, Dart, Javascript, Typescript, C#, SQL, Python, WPF, UWP, Xamarin Forms. Customer success is my goal. Please assign me and we can start discussing further. Features I will offer: • Firebase Authentication and Firestore integration • Google Maps API Integration • Optimization to fit all screen sizes • Fingerprint/Face ID • Calendar • Local Notifications/Push Notifications • Payment Gateway • App Subscription Management • RESTFul API Backend Integration • Token, OAuth2 authentication • 8 Database Design And Development • Email Sending • Share info to other apps • and more