Ahmed Elnaqah is a Freelance IOS developer for the past 4 years; he has experience in game development with WebGl and OpenGL. Teaching game development was his profession in the ITI basically on IOS platform and also teaching WebGl and OpenGL; he is experienced with ROR using RSpec for unit testing and cucumber integration testing in TDD, BDD practices, worked for a while with PHP and different Microsoft technologies, used node.js and MongoDB in developing server side web applications, also used Paas and Baas and built Saas in his work; for now he is the CTO of Ta3rifah managing a team building mobile application for IOS and Android platforms with Backend based on node.js and MongoDB and using Backbone.js for the frontend; he is currently working at Tarifah’s Cairo office.