Yubi Lee
데이터 엔지니어 at Toss
Gyeonggi, South Korea
Summary
🤩
Rockstar🎓
Top SchoolYubi Lee is a 데이터 엔지니어 with 10 years of experience building and operating large-scale on-premise Hadoop ecosystems, currently at Toss after leading the Data Platform team at Toss Bank. Comfortable across the full data stack—Spark, Hive, Impala, Kudu, HBase, Kafka, Elasticsearch and newer table formats like Iceberg—Yubi has administered production Hadoop clusters since 2017 and focuses on reliable, maintainable data platforms. At NAVER and Toss Bank, they combined hands-on engineering with platform leadership to streamline data pipelines and enable analytics at scale. A pragmatic problem-solver—“first, solve the problem, then write the code”—they contribute to open source and document their work publicly. Based in Gyeonggi, South Korea, Yubi blends deep operational experience with a platform-minded approach to make data infrastructure both robust and developer-friendly.
10 years of coding experience
5 years of employment as a software developer
Sungkyunkwan University
Stackoverflow
76reputation
17kreached
2answers
1question
Github Skills (200)
hbase10
notebook10
apache-spark10
web-application10
python10
windows10
autocomplete10
websocket10
hadoop10
ambari10
data-driven10
monitoring10
javascript10
nosql10
ecosystem10
Programming languages (14)
Github contributions (5)
eubnara/impala
Sep 2022 - Jan 2025
Apache Impala
Contributions:72 pushes, 13 branches, 1 tag in 2 years 5 months
apache-impalaapachebig-datajavaimpala
eubnara/hadoop
Aug 2021 - Dec 2024
Mirror of Apache Hadoop
Contributions:2 PRs, 40 pushes, 15 branches in 3 years 4 months
apachebig-datahadoopjavaapache-hadoop
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