Xinyu Liu
Software Engineer at Glean
California, United States
Summary
🤩
Rockstar🎓
Top SchoolXinyu Liu is a software engineer and tech lead based in California with 15+ years building large-scale distributed systems and over a decade of hands-on experience in streaming, messaging, and trading platforms. He led LinkedIn’s streaming processing platform—shaping Apache Beam, Flink, and Samza deployments on Yarn and Kubernetes to power thousands of near-real-time applications—and now contributes platform expertise at Glean. An Apache Beam committer who improved the Samza runner (Yarn support, timers, DoFnInvoker integration), he brings deep open-source credibility alongside production-grade engineering. His background spans low-latency financial trading systems at Goldman Sachs to full-stack messaging work at LinkedIn, combining concurrent systems design with practical API and frontend experience.
10 years of coding experience
17 years of employment as a software developer
Master of Science (MS) Computer Science, Master of Science (MS) Computer Science at University of Virginia
English, Chinese
Github Skills (6)
javas10
apache-beam10
back-end-development10
java10
configuration-management9
yarnpkg7
Programming languages (2)
Github contributions (5)
apache/beam
Jan 2018 - Jan 2023
Apache Beam is a unified programming model for Batch and Streaming data processing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:129 reviews, 46 commits, 110 PRs in 5 years
Contributions summary:Xinyu primarily contributed to the Apache Beam project by modifying the Samza runner. Their work included updating the Samza runner with more features, adding support for running Samza jobs in Yarn, integrating a registrar for custom DoFnInvoker, and supporting timers. They also refactored the configuration generation process and addressed multiple issues related to the code. This suggests a focus on improving the Samza runner's functionality and integrating it with new features.
golangpythonstreaming-databeambatch
xinyuiscool/examples
Jan 2017 - Nov 2021
Contributions:27 pushes, 1 branch in 4 years 10 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.