Chaerim Yeo
Staff Software Engineer Machine Learning Engineer at LINEヤフー株式会社
Chiyoda, Japan
Summary
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Rockstar🎓
Top SchoolChaerim Yeo is a Staff Software Engineer and Machine Learning Engineer based in Chiyoda, Japan, with 11 years of experience blending research-grade computer vision and algorithmic game theory with production ad delivery optimization. Currently leading ML efforts at LINEヤフー, Chaerim has driven ad performance improvements across LINE and LINEヤフー after R&D work at CyberAgent, and earlier contributed to high-speed 3D scanning and gesture-driven floating displays during graduate research at the University of Tokyo. He moves comfortably between prototyping advanced vision systems and engineering scalable machine learning pipelines for advertising, pairing academic rigor with product-facing impact. Notably, his background includes military service and multiple technical assistant roles that informed practical system design under tight constraints.
10 years of coding experience
7 years of employment as a software developer
Master of Engineering (M.Eng.), Information Science and Technology, Master of Engineering (M.Eng.), Information Science and Technology at 東京大学Bachelor of Engineering (B.E.), Computer Science, Bachelor of Engineering (B.E.), Computer Science at Kyushu University
Korean, Japanese, English
Github Skills (72)
apache-spark10
messaging10
python10
hadoop10
messaging-api10
r10
big-data10
scale10
api10
sdk10
sql10
data-processing10
spark10
apache10
analytics10
Programming languages (6)
Github contributions (5)
cryeo/spark
Sep 2018 - Feb 2025
Mirror of Apache Spark
Contributions:22 pushes, 7 branches in 6 years 5 months
spark-mlapachebig-datasparkscala
cryeo/redshift-unloader
Sep 2018 - Jul 2019
Contributions:1 release, 6 commits, 2 pushes in 9 months
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