Sirong He
数据分析师 at 快手
Baltimore, Maryland, United States
Summary
👤
Senior🎓
Top SchoolSirong He is a data analyst and data scientist with nine years of experience applying statistical analysis, machine learning, and NLP to improve product metrics and recommendation quality. Currently pursuing an MEng in Applied Mathematics and Statistics at Johns Hopkins, he combines rigorous academic training with hands-on production work across e-commerce and media systems. He has led recommendation projects using embeddings, YoutubeDNN, and ranking models (LGB, DIN), achieving measurable NDCG gains and addressing cold-start challenges. His NLP work scaled to millions of texts, boosting classification AUC by 7% through BERT enhancements and improving user retention by ~13% via data-driven marketing strategies. Based in Baltimore, he excels at turning experimental insights into dashboards and A/B-tested product decisions, and brings a practical focus on media system behavior that bridges analytics with product impact.
9 years of coding experience
1 year of employment as a software developer
Johns Hopkins UniversityBachelor's degree, Applied Mathematics and Computer Science, Bachelor's degree, Applied Mathematics and Computer Science at Shenzhen MSU-BIT University
English, Chinese, Russian
Github Skills (28)
streamer4
v4l23
streaming3
atomic3
srtp2
rtmp2
sctp2
low-latency2
portable2
rtsp2
rtp2
ps2
ipcamera2
webrtc2
h2651
Programming languages (2)
Github contributions (5)
H-kernel/nginx-media-module
Dec 2020 - Mar 2021
Contributions:8 commits, 141 pushes, 1 branch in 2 months
H-kernel/libMediakenerl
Jun 2017 - Oct 2018
Contributions:1 release, 108 pushes, 1 branch in 1 year 4 months
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