Hee Lee is a seasoned technology leader and CTO based in Seoul with 13 years of hands-on engineering and senior leadership experience across high-growth Korean e-commerce and fintech companies. He has led engineering and platform transformations—driving monolith-to-MSA migrations, high-throughput event handling, and performance tuning for major promotions—while balancing rapid feature delivery with operational stability. His background includes leading payments and scalability work at Toss, building resilient storefront and messaging platforms at 29CM, and running engineering organizations at Class101 and Musinsa. Hee regularly shares knowledge through tech talks and published engineering posts, and has actively shaped dev culture with practices like design reviews, observability, and post-release retrospectives. A pragmatic systems thinker, he pairs deep server-side expertise (Java/Spring, logging/metrics, Kafka/ELK) with organizational design skills to grow teams and maintain velocity. Notably, he has repeatedly delivered during peak traffic events and complex mergers, demonstrating an ability to keep critical services stable under extreme load.
13 years of coding experience
10 years of employment as a software developer
Undergraduate, Electronic Engineering / Integrated Biotec, Undergraduate, Electronic Engineering / Integrated Biotec at Sogang University
Contributions:1 PR, 1 push, 1 issue in 3 years 10 months
javaversion-control
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