Yongyang Yu
Staff Research Scientist at Meta
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolYongyang Yu is a Staff Research Scientist with 12 years of experience building large-scale data and privacy infrastructure at Meta, combining deep expertise in data mining, numerical computing, and production ML systems. He has led cross-functional programs to automate ownership discovery, metric optimization, and privacy-compliant demographic inference, shipping multiple prediction methods and tooling into production. Comfortable across Java, C/C++, Python, Scala and more, he bridges research and engineering—designing gradient-boosted models, query optimizers, and distributed matrix extensions for high-performance analytics. His work includes practical instrumentation such as web crawlers for metadata collection and reaper bots that eliminated significant metric redundancy. Trained as a Ph.D. computer scientist at Purdue, he pairs rigorous numerical methods research with hands-on systems design and developer tooling. Based in Sunnyvale, he quietly excels at turning complex algebraic and privacy constraints into robust, scalable pipelines that ship.
12 years of coding experience
15 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Computer Science, Doctor of Philosophy (Ph.D.), Computer Science at Purdue UniversityMaster of Engineering (M.Eng.), Computer Science and Technology, Master of Engineering (M.Eng.), Computer Science and Technology at Harbin Institute of Technology
English, Chinese
Github Skills (36)
sql-query10
spark10
python10
r10
big-data10
hadoop10
java10
scala10
hive10
sql10
presto10
database10
apache9
operation9
trino9
Programming languages (3)
Github contributions (5)
purduedb/MatRel
Aug 2015 - Feb 2018
Contributions:232 commits, 3 PRs, 223 pushes in 2 years 6 months
operationapachesparkscalaapache-spark
yuyongyang800/presto
Aug 2018 - May 2024
Distributed SQL query engine for big data
Contributions:33 pushes, 2 branches in 5 years 9 months
queryhbasequery-enginenosqlmysql
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