I have over 7 years of experiences in Mobile and Web application development with Backend web services. ? Native(iOS, Android): Objective-C, Swift, Java, Kotlin ? nopCommerce & wooCommerce & Shopify ? Clean Swift Architecture, CocoaPods, Dagger, Butterknife, DataBinding, Reactive Programming(RxSwift, RxJava, RxAndroid) ? Hybrid Mobile app: React Native, Ionic, Cordova, Xamarin ? Web service & Backend: XML/JSON, REST/SOAP, PHP, Laravel, NodeJS, AngularJS, React JS ? Offline Databases: SQLite, CoreData, Realm ? Cloud backend: Firebase, Azure, QuickBlox, Digital Ocean Cloud, Parse, Amazon, Heroku, Back4app