Choonghyun Ryu
Software Engineer at Dplanex
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolChoonghyun Ryu is a seasoned software engineer and data scientist with over a decade of experience building data analytics, BI and DW/DM solutions for enterprises including Hanwha Life and Samsung SDS. He combines hands-on R&D and statistical expertise—authoring six books, supervising a translated work, and creating multiple R packages—with leadership roles in data science and BI teams. As an active open-source maintainer of tools like dlookr and alookr, he focuses on practical data diagnosis and classification workflows that bridge research and production. He has taught R and big data analytics in corporate and academic settings, bringing a rare mix of pedagogy and product-minded engineering. Based in Seoul, he often applies Korean-language tooling (bitNLP, bitSpatial) to local data challenges, highlighting a pragmatic commitment to regional data needs.
10 years of coding experience
3 years of employment as a software developer
통계학, 통계학 at 강원대학교 / Kangwon National University
Github Skills (36)
r-package10
data-science10
sports-data10
eda10
binary-classification10
transformation10
shiny9
meta-analysis9
korean-nlp9
rmarkdown8
interactive8
point-of-sale8
pos8
r8
visualize7
Programming languages (5)
Github contributions (5)
bit2r/bitGPT
Feb 2023 - Mar 2023
Tools to use chatGPT for Koreans
Contributions:26 commits, 43 pushes, 1 branch in 22 days
chatgptr-package
bit2r/bitSpatial
Jan 2023 - Mar 2023
Spatial analytics resources for Korean region
Contributions:29 commits, 42 pushes, 1 branch in 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.