A messaging and calling application for iOS and Android

Hi there, I've gone through the post description carefully and ready to start work on this project. Requirements are very clear but please come over the chat so that I can get more requirements if remaining. I am an expert web/app developer with 6-year experience. My expertise is as follows- BACK-END:- PHP[Laravel, Joomla, Magento, WordPress, Shopify], JAVA, PYTHON, AND NODEJS, FRONT-END;- HTML/CSS/SCSS, JAVASCRIPT, JQUERY, GOOGLE TAG MANAGER, REACTS, ANGULAR, VUE JS, COFFEE SCRIPT, TYPESCRIPT AND EXPRESSJS DBMS:- SQL/MYSQL, NOSQL, POSTGRESQL, MongoDB, COUCH BASE, GOOGLE FIREBASE, AND ORACLE MOBILE APPLICATIONS:- ANDROID/IOS[NATIVE/HYBRID], XCODE, ANDROID STUDIO, REACT-NATIVE, PhoneGap, AND CORDOVA OTHER:- GOOGLE[ANALYTICS, FIREBASE, PUSH NOTIFICATION, ADWORD, ADS, MAP, AD-SENSE], FACEBOOK SKD, GOOGLE SDK, OAUTH-2 AUTHENTICATION, PAYPAL STRIPE MASTERCARD THREE-WAY PAYMENT TRANSACTION LIKE FREELANCER PROJECT MANAGEMENT AGILE, TECHNICAL ANALYSIS Thank you and I look forward an opportunity to work with you. Thanks

Ready to start the work to create the messaging and calling application for iOS and Android,please check my recent similar work ,we can discuss more over chat,thanks regards Kanta Singh.