James Yean
Senior Software Engineer at Linkall
Haidian District, Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolJames Yean is a Senior Software Engineer with 11 years’ experience specializing in distributed messaging and event streaming systems, currently based in Haidian District, Beijing. He has driven backend reliability and configurability work at companies including Linkall and ByteDance, and contributed significant stability and WAL/configuration improvements to the open-source Vanus event streaming project. His background spans algorithm engineering and AI-adjacent system development, with hands-on fixes and quality improvements to high-profile projects like Apache RocketMQ C++ client. Known for pragmatic problem-solving, he focuses on concurrency, metadata storage, and recoverability—areas that quietly determine production resilience.
11 years of coding experience
5 years of employment as a software developer
Bachelor, Computer Science and Technology, Bachelor, Computer Science and Technology at Shenyang Aerospace University
Chinese, English
Github Skills (14)
c-language10
mq10
go10
cprogramming-language10
rocketmq10
message-queue10
concurrency10
event-streaming9
serverless8
kubernetes8
event-driven8
cloudevents8
kubernetes-pods8
cloud-native8
Programming languages (17)
Github contributions (5)
apache/rocketmq-client-cpp
Dec 2018 - Jun 2022
Apache RocketMQ cpp client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 reviews, 89 commits, 45 PRs in 3 years 6 months
Contributions summary:James primarily fixed bugs and improved the code quality of the Apache RocketMQ cpp client. Their contributions included correcting typos, modifying producer settings and fixing repeat compression issues. Additionally, they implemented changes to address issues related to transaction management and the handling of message properties.
cpprocketmq
vanus-labs/vanus
Jun 2022 - Mar 2023
Vanus is a Serverless, event streaming system with processing capabilities. It easily connects SaaS, Cloud Services, and Databases to help users build next-gen Event-driven Applications.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 121 reviews, 65 commits in 8 months
Contributions summary:James primarily contributed to the core functionality of the Vanus event streaming system by parameterizing the Write-Ahead Log (WAL) which improved its configurability and stability. Their work included optimizing flush timers, fixing various issues related to log file handling and concurrency, and adding a configuration for the WAL. The user also focused on improvements to metadata storage, including the close of the meta store and support for snapshotting and recovery.
cloud-servicesdatabasedatabasesevent-drivenserverless
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