Joey Lin
Full Stack Developer at ByteDance
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolJoey Lin is a Full Stack Developer with a decade of experience building scalable platforms at ByteDance and Tencent, specializing in the React/Node.js ecosystem and systems-level backend work. He has driven platform features used by 100M+ users, architected modular systems adopted across multiple business units, and delivered measurable efficiency gains (40–78%) through CI/CD, performance tuning, and AI automation. Notably, he reduced feature iteration cycles by 54 person-days per quarter with an AI-powered configuration system and helped build commercialization infrastructure that supports significant revenue for Tencent Docs. An active contributor to high-performance storage work (TerarkDB), Joey blends front-end product sensibility with low-level backend improvements such as record-level checksum support. Fluent in technical English and experienced in global teams, he focuses on bridging LLM/RAG innovations with business outcomes.
10 years of coding experience
Master's degree Software engineering, Master's degree Software engineering at Huazhong University of Science and TechnologyBachelor's degree Electronic Science and Technology, Bachelor's degree Electronic Science and Technology at Fuzhou University
Chinese, English
Github Skills (5)
rocksdb10
data-storage10
c-language10
checksum10
cprogramming-language10
Programming languages (7)
Github contributions (5)
bytedance/terarkdb
Aug 2019 - Aug 2021
A RocksDB compatible KV storage engine with better performance
Role in this project:
Back-end Developer
Back-end DeveloperContributions:100 commits, 5 PRs, 6 pushes in 2 years
Contributions summary:Joey implemented record-level checksum support and added a parameter related to checksum size. They modified the TerarkZipTableBuilder to build various blob stores (EntropyZip, Plain, MixedLen, and ZipOffset) by incorporating checksum functionality. Furthermore, the user fixed typos and addressed issues related to properties of tables and index loading.
rocksdbstorage-engine
JimChengLin/jimchenglin.github.io
Apr 2019 - Jan 2023
Contributions:77 pushes, 1 branch in 3 years 9 months
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