Changjian Gao
Solutions Architect at Juicedata
Hangzhou City, Zhejiang, China
Summary
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RockstarChangjian Gao is a Solutions Architect with 15 years building scalable, reliable distributed systems and a strong track record in automation, tooling, and team leadership. He has led infrastructure and recommendation platform efforts at Xiaohongshu and contributed to production-grade projects at Juicedata (notably JuiceFS), Zhihu, Tencent and others, spanning backend, data platforms, and deep learning infrastructure. Fluent in Python, Java, Go and Node.js, he pairs systems-level knowledge of Cassandra/HBase/Kafka and Kubernetes operator development with practical experience in MySQL/Redis/MongoDB and Hadoop/Spark/YARN. An active open-source contributor, he improves both code and docs—helping JuiceFS, Volcano (CNCF) and user-facing projects like YesPlayMusic—reflecting his emphasis on developer experience and community. He’s known for simplifying complex architectures into maintainable designs and for creating internal frameworks that scale cross-team ML and feed systems. Based in Hangzhou, he combines hands-on engineering with seasoned coordination and hiring experience.
15 years of coding experience
9 years of employment as a software developer
Chinese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (41)
kubernetes10
filesystem10
javascript10
controller10
electron10
css10
object-storage10
batchfile10
led-controller10
scheduling10
uid10
controls10
go10
front-end-development10
vue10
Programming languages (16)
Github contributions (5)
juicedata/juicefs
Jan 2021 - Dec 2022
JuiceFS is a distributed POSIX file system built on top of Redis and S3.
Role in this project:
Back-end Developer & Technical Writer
Back-end Developer & Technical WriterContributions:229 reviews, 196 commits, 286 PRs in 1 year 11 months
Contributions summary:Changjian primarily focused on improving the documentation and adding features to the JuiceFS project. They updated command references, added documentation for features like object storage, cache management, and the S3 gateway. Additionally, the user made changes related to log messages, including adding logs for interrupted operations and improving log clarity. They also made changes to disable data compression by default.
storagehdfson-topfile-systemposix
qier222/YesPlayMusic
May 2021 - Jun 2022
高颜值的第三方网易云播放器，支持 Windows / macOS / Linux :electron:
Role in this project:Front-end Developer
Front-end DeveloperContributions:10 commits, 9 PRs, 2 comments in 1 year 1 month
Contributions summary:Changjian primarily contributed to the front-end of the "yesplaymusic" project, focusing on enhancing the user interface and user experience. Their work includes implementing new features like artist and album URL copying, adding context menu items, and integrating internationalization for improved accessibility and localization. They also addressed UI elements, such as the OSD lyrics button and playlist context menu, and corrected display issues to create a more polished user experience.
pwavuevideomusic-playerplayer
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