Yujie You
Expert Engineer at The Arbitrum Foundation
Wuhan, Hubei, China
Summary
👤
Senior🎓
Top SchoolYujie You is an Expert Engineer with nine years of experience building large-scale big data and backend systems, currently contributing at The Arbitrum Foundation from Wuhan. He has deep hands-on expertise in Hadoop ecosystem technologies (HDFS, MapReduce, YARN) and stream/batch processing with Spark and Storm, honed through roles at Pinduoduo and Sohu. His notable open-source work includes a user behavior analysis platform for e-commerce where he implemented session aggregation, custom accumulators, top-10 categorization, and multiple performance optimizations. Pragmatic and product-focused—aptly summarized by his "do more, talk less" motto—he combines low-level data plumbing with practical engineering trade-offs. Trained with a master’s in computer technology from Huazhong University of Science and Technology, he brings both academic rigor and production-grade delivery experience. Colleagues value him for quietly driving measurable performance improvements in data pipelines and backend services.
9 years of coding experience
4 years of employment as a software developer
硕士, computer technology, 硕士, computer technology at 华中科技大学Bachelor of Technology - BTech, software engineering, Bachelor of Technology - BTech, software engineering at Guizhou University
Github Skills (7)
javas10
spark-sql10
spark10
hadoop10
java10
data-engineering9
sql9
Programming languages (2)
Github contributions (5)
oeljeklaus-you/UserActionAnalyzePlatform
Jun 2018 - Jul 2019
电商用户行为分析大数据平台
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 commits, 38 pushes, 1 branch in 1 year
Contributions summary:Yujie primarily contributed to building a big data platform for e-commerce user behavior analysis. Their work involved setting up the environment, writing utility classes, and configuring the system. They implemented user session aggregation and statistical functionalities, utilizing custom accumulators and refactoring code. Furthermore, they worked on the creation of a Top 10 category feature and optimized the system's performance through various code improvements.
kyroaccumulatorspark-sqlsparkjavaspark-ml
oeljeklaus-you/Design-Patterns
Jul 2018 - Jul 2018
Contributions:59 commits, 42 pushes, 1 branch in 7 days
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