Jiaqiang Bai Email & Phone Number

- Developed a robust group conference calling C++ library with WebRTC library, featuring VP8 temporalscaling and Opus loss concealment, enabling seamless peer-to-peer (P2P) connections and multiple resolutionsupport for diverse participants.– Successfully migrated a C++ application to leverage the Jitsi Conference API, ensuring interoperabilityand compatibility with WebRTC SDP signaling and interop with SDP Plan B and Unified Plan standards.– Integrated WebRTC libraries across Windows, MacOSX, iOS, and Android platforms, ensuring cross-platformcompatibility and performance optimization.– Identified and resolved media-related bugs within the WebRTC library, enhancing overall stability andreliability.– Implemented screen sharing functionalities using VP8/VP9 codecs and supported remote control withdiverse language keyboards.– Implemented Remote PTZ camera control for generic cameras supporting UVC api.– Spearheaded real-time video selfie background removal/replacement using OpenCV, improving userexperience and visual quality.– Managed message archives effectively, ensuring data integrity and accessibility.– Led the migration of the user interface (UI) to QT, enhancing UI responsiveness and scalability

Singapore

- Spearhead Garena Talk project, creating a VOIP software which doubles as an entertainment platform. VOIPtakes place in persistent online rooms whereby other users can enter freely or by invitation. Room extensionsenable one-to-many video streaming functionality for entertainment purpose. While in entertainmentmode, users can perform or stream their favourite game while receiving virtual gifts from audiences.– Part of team that created scalable server architecture to support 700k daily users and hundreds of thousandsconcurrent users.– Developed overlay user interface which can inject itself into third party software windows.– Implemented realtime capturing of audio play-backed by third party software.– Integrated and experimented with echo cancellation into Garena Talk, using open source libraries WebRTCand Speex.– Developed realtime voice chat with latency comparable to popular voice chat software, Skype.– Developed realtime video streaming which maintains low latency and good performance over certaindegree of lossy UDP.– Developed game streaming system for Windows and iOS, based on Apple’s HTTP Live Streaming Protocol.– Developed iOS client for Garena Talk.

Singapore