I can build a beautifully designed iOS/Android app using React Native which allows for a shared codebase and rapid development/iteration cycles. I have strong experience in - React Native, React.js, React-Redux, Realm.js, ... - Ionic Framework, Cordova, PhoneGap, AngularJS, TypeScript - HTML, PHP, CSS, JavaScript, jQuery, ... - Swift, Objective-C, Core-Java - CocoaPod, - HTML, PHP, CSS, JavaScript, jQuery, ... - Ruby on Rails, NodeJS, Heroku. - Socket.io - Amazon web service, AWS S3 bucket, AWS Code Commitment - third-party integration - backend development and integration - payment gateway integration - Push notification service: FCM, Onesignal, Arban Airship,