sukjae
Seoul, Korea, Republic of
Summary
👤
SeniorSung Lee is a Head of Data Engineering based in Seoul with a decade of experience building large-scale data platforms for fast-moving internet companies. He progressed from hands-on data engineering and warehouse development to leading teams and architecting reliable, production-grade pipelines at Toss and Cogo Labs, including HA Airflow and real-time Spark/Kafka streaming systems. Skilled in Python, Spark, Presto, Airflow and database tuning, he pairs deep technical craft with a track record of operational automation and efficient data mart design. Sung holds an MEng in Computer Engineering from Carnegie Mellon, bringing rigorous systems thinking to product-focused analytics work. Colleagues rely on him to translate complex stakeholder needs into maintainable, scalable pipelines while mentoring engineers through growth and delivery. An understated detail: he blends backend tooling experience with practical BI enablement—building visualization apps and Tableau platforms alongside core infrastructure.
11 years of coding experience
Github Skills (49)
javascript10
joi10
yup10
spring10
translation10
animation10
typescript10
cloud-infrastructure10
class-validator10
typebox10
aws10
frontend10
react10
documentation10
schema-validation9
Programming languages (4)
Github contributions (5)
sukjae/daily-study
Jul 2019 - Mar 2020
매일 매일 학습한 내용을 기록합니다.
Contributions:220 commits, 2 PRs, 216 pushes in 9 months
koalStudy/velog-sukjae
Sep 2019 - Oct 2019
Contributions:4 PRs, 7 pushes, 3 branches 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.