Sungmin Lee
Head Of App Development at Cake English
Seoul, South Korea
Summary
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SeniorSungmin Lee is a Head of App Development based in Seoul with 9 years of focused experience building high-impact mobile products and a software career stretching back over two decades. He leads the app team for Cake, a global English-learning app with 100M+ downloads and multiple Google Play Best of awards, bringing deep React Native expertise and a track record of shipping award-winning consumer apps. Previously a speaker on React Native at Deview and an app developer at SNOW, he combines hands-on engineering with product-oriented leadership. He co-founded BravePops and architected backend and admin systems for Class123, demonstrating full-stack ownership from infrastructure to UI. Comfortable across Java, Node.js, PHP, and MySQL, Sungmin also publishes React Native toy projects and maintains an experimental repo that showcases practical mobile patterns. His blend of startup grit, large-scale product experience, and a service mindset makes him effective at turning user needs into reliable, scalable apps.
9 years of coding experience
20 years of employment as a software developer
Github Skills (33)
spring10
java10
spring-boot10
jpa10
react8
typescript8
spring-mvc6
api5
json4
swagger4
mvc4
json-api4
openapi4
synchronous4
api-documentation3
Programming languages (3)
Github contributions (5)
SungMinHong/TIL
Jul 2019 - Nov 2019
Contributions:404 pushes, 1 branch, 30 comments in 4 months
SungMinHong/sungminhong.github.io
Sep 2019 - Jan 2023
for blog website
Contributions:2 PRs, 321 pushes, 2 branches in 3 years 3 months
blog-website
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