Zhilong Hong
Software Engineer at Microsoft DanmakuPie
Beijing, China
Summary
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RockstarZhilong Hong is a software engineer based in Beijing with 10 years of hands-on experience focused on backend development and test automation. He contributes to high-profile open-source projects like Apache Flink, where he has implemented fixes, added tests, and improved logging and scheduler-related test coverage—signaling a strong commitment to reliability in distributed systems. Zhilong excels at refactoring and removing redundant code to raise code quality and maintainability across core runtime components. Comfortable working on both implementation and verification layers, he blends practical engineering with rigorous testing practices. Colleagues would describe him as a detail-minded developer who quietly improves system robustness rather than seeking the spotlight.
10 years of coding experience
Stackoverflow
356reputation
20kreached
5answers
7questions
Github Skills (13)
unit-testing10
javas10
apache-flink10
java10
testing10
scala9
big-data7
flink-streaming6
classloader6
html6
css6
benchmarking6
clang-format6
Programming languages (13)
Github contributions (5)
apache/flink
Sep 2019 - Mar 2022
Apache Flink
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:121 reviews, 76 commits, 38 PRs in 2 years 7 months
Contributions summary:Zhilong contributed to the Apache Flink project by implementing fixes and adding tests. The primary focus was on improving the metric registration and unregistration logging, adding a new test case for slot allocation within the SchedulerImpl, and refactoring existing tests of SlotPoolImpl. They also addressed test-related issues and removed redundant code, which indicates a strong emphasis on ensuring code quality and reliability. These changes touch on core aspects of the Flink runtime, including testing and the scheduler.
pythonflinkconnectorsqlapache
Thesharing/flink
Aug 2019 - Jul 2023
Apache Flink
Contributions:277 pushes, 65 branches in 4 years
flinkapachebig-dataapache-flinkjava
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