Seong Choi
Staff Machine Learning Engineer at Coupang
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolSeong Choi is a Staff Machine Learning Engineer based in Seoul with 10 years of experience building production-grade NLP and recommendation systems. He has led research-to-product efforts at NAVER—spanning large-scale text encoders, unsupervised short-text clustering, LLM/VLM applications, and automated model retraining pipelines—and now drives ad relevance and recommendation at Coupang. Comfortable at the intersection of research and engineering, he has delivered LLM-powered personalization features (PersonA) and practical services like automatic focal-point thumbnailing and FAQ extractors that tangibly improved CTR and user experience. A Korea University master's student advised by Jaegul Choo, he blends deep self-supervised learning expertise with hands-on system design and deployment. Notably, he moves ideas from papers to production, presenting work at industry forums like DEVIEW and DAN.
10 years of coding experience
8 years of employment as a software developer
Master of Engineering Computer Science & engineering, Master of Engineering Computer Science & engineering at Korea UniversityBachelors' degree Computer Science & engineering, Bachelors' degree Computer Science & engineering at Inha University 인하대학교
English
Github Skills (90)
emoji10
markdown9
progress-bar9
x86-649
nlp9
transformer9
python9
deep-learning9
plugin9
tui9
pytorch9
machine-learning9
hacking9
syntax-highlighting9
speech-recognition9
Programming languages (9)
Github contributions (5)
yumere/ShipEnv
Oct 2018 - Mar 2019
Contributions:10 commits, 6 pushes, 1 branch in 4 months
yumere/gpu-monitor
Oct 2018 - Mar 2019
Contributions:18 commits, 12 pushes in 4 months
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.