Dear employer.
I am Gang Lee, developer.
I've just read your job post and I'm very interested.
I'm a certificated freelancer with almost 1100 good reviews from clients.
I'm a Good C, C++,c#,Object-C, Video Streaming, OpenCV, Math, java,SQL, Swift, Algorithm expert.
I m quite experienced in these jobs.
I want to serve for you continuously.
Thanks.