REACT.JS, ANGULAR.JS, EMBER.JS
Thanks to a unified code base, a hybrid app can be developed for multiple platforms simultaneously which makes it a good choice when the budget is limited and the product must be released as soon as possible. We use AngularJS, Ionic, Cordova, ParseJS and our own Ruby/Ruby on Rails-based API. Hybrid technologies are all about simplicity and cost-effectiveness!
JSON, TOKEN AUTHENTICATION, SERIALIZERS
We have developed more than ten Rails-API based apps that provide interface displaying data for mobile and web clients. All the API implementations have features like versioning, REST query support, JSON data output, and authentication system. In API development, we use lightweight controllers enabling us to reduce server response time up to 200-300 ms. Thus, working with big data becomes nothing but a piece of cake.