Self-directed and motivated Mobile Developer with 5+ years' experience in Objective C/XCode, Core Java, C/C++, C# and .NET technologies. Excellent at developing and maintaining client/server applications. I am hard-working and a fast programmer with good communication skills and a strong UI design skill. I have strong experience in the iPhone(iOS7 + iPhone5s)/ iPad(iPad mini) and Android development as well as backend web service api. I also have deep knowledge and experiences in the following areas: Restful JSON based Web Service, Image Processing, Social Network - Facebook, Twitter, Google API, Audio Streaming, Video Streaming.