Dongjoon Lee
AI Platform Engineer
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolDongjoon Lee is an AI platform engineer with 11 years of software experience, currently building ML-driven infrastructure at Kakao in Seoul. He brings a rare blend of hands-on systems engineering—from Windows clients to distributed server stacks—and applied ML/RL for online advertising, having designed data pipelines that bridge research and production. His background includes leadership as a former CTO at startups and roles across search ad DSP and research engineering, giving him product intuition and operational rigor. Dongjoon is fluent in multiple languages (Python, Java, Go, C++, Objective C++) and practices OOD, TDD, DDD and microservices architecture. He also mentors and teaches—sharing industry knowledge at F-Lab and Fastcampus—indicating a strong commitment to developer education. Colleagues describe him as a curious technologist who turns cross-disciplinary expertise into pragmatic, scalable solutions.
12 years of coding experience
3 years of employment as a software developer
Hansung Science high schoolMaster's degree Mechanical Engineering, Master's degree Mechanical Engineering at Korea Advanced Institute of Science and Technology
Japanese, English
Github Skills (9)
staruml10
java9
csharp9
jpa9
react8
spring-boot7
typescript7
cpp6
spring6
Programming languages (5)
Github contributions (5)
codeit-bootcamp-spring/3-sprint-mission
Apr 2025 - Sep 2025
Contributions:63 reviews, 46 PRs, 36 pushes in 5 months
NewKrew2021/spring-subway-admin-kakao
Jan 2021 - Jan 2021
카카오 신입사원 교육 지하철 노선도 관리 미션 저장소
Contributions:31 reviews, 6 PRs, 6 pushes in 10 days
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