Welcome to visit my profile. I am a passionate mobile developer for back-end and front-end since 2012, who have been developed several mobile apps and published to the app store. I am focusing to develop as followings: - New iOS 10 support for iMessage, Health/Home kit - Firebase cloud service integration - Social app front-end and back-end development - Streaming app and server development by webRTC - Photo/Video processing app development I am very strong at Swift (legacy version and newest one), Objective-C, Java, Node.JS, Java Script, PHP, MySQL and C/C++. I am also familiar with Photoshop and Sketch for UI. As a skilled mobile developer, I will provide professional advice and perfect development solution. There is no problem to build mobile app with any idea or sketch. Thanks.