Chris Zeng
Live Streaming SDK Team Lead at ByteDance
Haidian District, Beijing, China
Summary
👤
Senior🎓
Top SchoolChris Zeng is a Live Streaming SDK team lead with 11 years of experience focused on mobile and multimedia engineering, currently leading live streaming SDK efforts at ByteDance in Beijing. He has built production-grade Android SDKs and apps across Baidu, Tencent and Kingsoft Cloud, including open-source projects like KSYStreamer_Android and KSYRTCLive_Android that power real-time encoding, low-latency RTC, and rich filter pipelines. Deeply versed in H.264/H.265 and AAC encoding, RTMP/RTC protocols, and performance optimization, he combines hands-on systems coding with team leadership. An alumnus of Tongji University (MSc CS), he brings a practical knack for squeezing latency and CPU out of mobile media stacks—often implementing both software and hardware-accelerated paths to meet real-time constraints.
11 years of coding experience
6 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Tongji University
English
Github Skills (61)
ios10
recorder10
python10
encoder10
machine-learning10
mediamuxer10
android-sdk10
videotoolbox10
ffmpeg10
hardware10
gpuimage10
deep-learning10
tensorflow10
video-player10
playback10
Programming languages (8)
Github contributions (5)
fpzeng/KSYStreamer_Android
Dec 2015 - Feb 2018
金山云Android采集推流SDK(Livestream SDK)，支持内置/自定义美颜(Beauty Filter)、美声(Beauty Voice)、软硬编(Software/Hardware Encoder) 、网络自适应(Network Auto Adapt)、混音(Voice Mixer)、混响(Reverb)、画中画(PIP)、连麦(RTC)、动态贴纸(Sticker)、大眼瘦脸(Bigger Eyes and Smaller Faces)
Contributions:17 releases, 118 commits, 39 PRs in 2 years 1 month
encoderhardwarelivestreamrecorderbeautyfilter
chriszeng87/pause-resume-video-recording
Jul 2015 - Mar 2018
Pause and continue video recording on Android devices using MediaCodec and MediaMuxer, encode fast and no merge process
Contributions:33 commits, 38 pushes, 3 branches in 2 years 8 months
androidmediamuxer
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.