Hyunseob Lee
Product Engineer at Cutback
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolHyunseob Lee is a product-focused engineer with 10 years of experience building user-facing web products, currently shaping Cutback's product roadmap and delivery. Previously a Technical Product Owner and Frontend Chapter Lead at Toss Payments, he led the end-to-end launch of a high-impact “Quick Bank Transfer” product that increased profitability 10x and improved payment conversion by 1.3x. His background as a frontend developer includes designing JavaScript SDKs, rollout docs and merchant integration flows, plus contributing to Toss’s design system, dark mode and accessibility features. Comfortable bridging design, engineering and go-to-market strategy, he pairs hands-on implementation skills with product instincts that favor rapid, cost-effective launches. Based in Seoul, he brings deep practical knowledge of payments UX and frontend architecture that consistently moves features from prototype to measurable business outcomes.
11 years of coding experience
7 years of employment as a software developer
학사 Computer Software Engineering, 학사 Computer Software Engineering at Kumoh National Institute of Technology
Korean, English
Stackoverflow
61reputation
5kreached
0answers
1question
Github Skills (104)
hexo10
yarn-berry10
hybrid10
javascript10
gulp10
browser10
react-framework10
sdk10
compiler10
mobx10
static-site-generator10
typescript10
maintainability10
ssg10
static-site10
Programming languages (12)
Github contributions (5)
tosspayments/browser-sdk
Mar 2020 - Apr 2022
토스페이먼츠 결제 연동 SDK
Contributions:1 review, 82 commits, 29 PRs in 2 years 1 month
tosspaymentsjavascripttypescriptsdk
HyunSeob/hexo-theme-overdose
Aug 2016 - Oct 2017
⚠ Caution: you could be overdosed with this theme.
Contributions:12 releases, 59 commits, 20 PRs in 1 year 1 month
hexohexo-theme
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