Xiangbo Li
Tech Lead, Cloud Video Editing at TikTok
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolXiangbo Li is a tech lead specializing in cloud video editing with over 11 years' experience building ingest, transcoding, and delivery systems for large-scale streaming platforms. He combines deep codec and protocol knowledge (H.264/HEVC/AV1, HLS/DASH/CMAF, RTMP/SRT/RTP) with hands-on proficiency in C++, Go, and Python to optimize live and VOD workflows. At Twitch he drove measurable infrastructure improvements—cutting transcode costs by up to 30%, slashing host drain time from 48 hours to 10 minutes, and accelerating feature A/B testing—while filing multiple patents. Prior roles at Brightcove and in academia produced patented work in cost-aware cloud transcoding and context-aware encoding ladders, reflecting a blend of research rigor and production impact. Based in San Jose, he has extensive experience across bare-metal and AWS environments and a track record of reducing latency and startup times in global video systems. Notably, his career marries systems-level engineering with data-driven optimization, making him adept at turning codec and infrastructure research into scalable product improvements.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree Electrical and Electronics Engineering, Bachelor's degree Electrical and Electronics Engineering at China Jiliang UniversityDoctor of Philosophy (PhD) Computer Engineering, Doctor of Philosophy (PhD) Computer Engineering at University of Louisiana at Lafayette
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
lib7
manifest7
parsing7
pls6
playlists6
parser6
golang5
go-language5
http-live-streaming4
decoding3
java2
audio-formats2
awt2
filtering2
encoding2
Programming languages (3)
Github contributions (5)
lxb200709/cloudsim-projects
Jun 2016 - May 2018
Contributions:13 commits, 40 pushes, 2 branches in 1 year 11 months
lxb200709/my-phd-research-web
Feb 2017 - Nov 2018
Contributions:2 PRs, 6 pushes, 3 branches in 1 year 8 months
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.