Stephen Yang Email & Phone Number

Taiwan

Taiwan

Taiwan

台灣 台北市

• Work with a team of 9 to resolve issues on a video streaming platform• Improve the auto-scaling and load-balancing of video streaming for better viewing experience. • Initiate the development of a tool for machine learning projects, reducing the training cost by half.• Experiment ML models and develop proof of concept, accelerating video AI projects

Taiwan

Cloud gaming service• Develop a game streaming server that captures, encodes, and streams video to clients. Skills: Multithreading, C++, desktop capture, and hardware-based video encoding• Develop a game streaming client on Windows.• Measure, identify, and improve streaming performance.• Pioneer a WebRTC-based HTML5 client for low latency game streaming, which provides instant play without installation and expands the service to macOS, Linux, and Chromebook. Skills: JavaScript, CSS, jQuery, and WebRTC• Design and develop a prototype of a recommendation service. Skills: Flask, TensorFlow, collaborative filtering, and Elasticsearch.

Taiwan

Streaming server (Cloud gaming)• Surveyed, designed and implemented an UDP-based transport protocol for cloud gaming,reducing the video freezes and the latency.• Developed tools and experimental methods to measure and evaluate the performance of transport protocols.• Developed a WebRTC-based streaming for low latency video on Chromecast device.• Appointed to San Francisco to resolve latency issues on Chromecast with Google engineersVirtualization (Cloud gaming)• Pioneered a container-based virtualization on Linux for running Android Apps, increasing the concurrent Apps by 300%. Skills: C++, Linux System Programming, Linux container, strace, Android Framework• Pioneered a compatibility layer for Android 3D graphics without API translation, improving App compatibility. Skills: C++, Android graphics, and OpenGL• Developed a solution to enable LAN game in virtual LAN. Skills: API hooking, virtual NIC, and VPNStreaming server (Video on demand service)• Developed a C++ video streaming server that supports RTSP, RTP/RTCP, and HLS on Linux. Skills: libevent, and JNI• Optimized the video streaming server, increasing the concurrent sessions by 200%.• Worked with codec, media format, and client teams to develop new features and resolve issues.• Created analysis tools to help team members identify performance issues in a video transcoding system. Skills: Python

Taiwan

• Developed a video management software in a video surveillance system. Skills: MFC, XML-RPC, Win32 programming, multithreading, C++• Developed a video player that provides playback of live and recorded video from server. Skills: Video Codec, streaming protocol• Worked with server team to design protocols and resolve the video issues.