Summary
Sung 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.
10 years of coding experience
8 years of employment as a software developer
Master of Engineering (MEng) Computer Engineering, Master of Engineering (MEng) Computer Engineering at Carnegie Mellon University
St. Anne's belfield high school
English, Korean