Summary
Sangguk Lee is a software engineer based in Seoul with 10 years of experience building reliable, efficient systems across backend, frontend, and blockchain domains. He has shipped products at startups and scale-focused teams—working on eBook services and CMS at RIDI, a messenger client at Channel Talk, ad and product sync systems at Kakao Style, and DeFi features on Klaytn at Krust Universe. Currently at Flipster, he brings a pragmatic focus on performance and operational reliability informed by measurable improvements like a 1.5x boost to CPM-driven ad sales. Comfortable across the stack, Sangguk favors functional design principles—“live like a pure function”—to reduce side effects and make systems easier to reason about. His KAIST computer science background underpins a discipline for clean, maintainable code and thoughtful system design.
10 years of coding experience
5 years of employment as a software developer
High School, High School at Chungbuk Science High School
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Korea Advanced Institute of Science and Technology
Korean, English