Ji-hwan Yun
Data Scientist
Gyeonggi, South Korea
Summary
👤
Senior🎓
Top SchoolJi-hwan Yun is a data scientist and machine learning engineer with 11 years of professional experience and seven years focused on full-stack data science, currently a staff engineer at Samsung Electronics. He has led projects across health analytics, real-time bidding, supply chain optimization, and demand forecasting, combining time-series, reinforcement learning, and optimization methods to drive data-driven decisions. At Samsung he progressed from building intelligence platforms and QA systems to architecting RL-based bid optimization and heart-rate driven health analyses, demonstrating both research depth and production delivery. Comfortable across the stack, he pairs algorithm development with practical deployment and experimentation in high-scale environments. Based in Gyeonggi, South Korea, he holds a master’s in DMC engineering and a bachelor’s in computer engineering, and often bridges domain knowledge with novel modeling approaches to unlock new product insights.
11 years of coding experience
석사, DMC공학, 석사, DMC공학 at 성균관대학교학사, Computer Engineering, 학사, Computer Engineering at 한국기술교육대학교
Github Skills (15)
user-data10
aes9
filter9
bit9
aes-encryption9
validating9
rest7
user-management7
annotator7
rest-api7
api7
restful6
restful-api6
data-management6
encryption6
Programming languages (1)
Github contributions (5)
yunjihwan/bigsam
Aug 2016 - Sep 2016
Contributions:4 PRs, 9 pushes in 1 month
yunjihwan/data-analysis_titanic-prediction
Oct 2015 - Oct 2015
Contributions:22 pushes, 1 branch in 8 days
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