Sangmin Lee
Manager, Team Lead Of Server at Bagelcode
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolSangmin Lee is a server-focused engineering manager with eight years of experience leading backend teams at Bagelcode, where he progressed from software engineer to Team Lead of Server. Based in Seoul, he combines a mathematics background from POSTECH and studies in math and CS at RWTH Aachen with pragmatic engineering—shaping reliable server architectures and mentoring engineers. He maintains an active developer presence under the handle Bagelcode on GitHub and writes technical pieces on Medium, signaling a habit of documenting and sharing learnings beyond day-to-day delivery. Known for translating mathematical rigor into practical system design, he brings both analytical depth and hands-on leadership to production backend development.
8 years of coding experience
2 years of employment as a software developer
Bachelor of Science - BS, Mathematics, Bachelor of Science - BS, Mathematics at Pohang University of Science and TechnologyMathematics and Computer Science, Mathematics and Computer Science at RWTH Aachen UniversityHigh School Diploma, High School Diploma at Busan Science High School
Korean, English
Github Skills (67)
windows10
scheduling10
dart10
kubernetes10
cross-platform10
go10
android10
macos10
flutter10
docker10
ios10
desktop10
javascript9
mesos9
receipt9
Programming languages (7)
Github contributions (5)
3mini/wiki
Jun 2019 - Apr 2021
Contributions:46 commits, 30 pushes in 1 year 10 months
3mini/knex
Jun 2019 - Oct 2019
A query builder for PostgreSQL, MySQL and SQLite3, designed to be flexible, portable, and fun to use.
Contributions:5 pushes, 2 branches in 4 months
querymysqlsqlsqlite3builder
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