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.
11 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 (10)
java9
c-extension9
jpa9
react8
csharp8
typescript7
cpp6
metaprogramming6
spring6
spring-boot6
Programming languages (4)
Github contributions (5)
NewKrew2021/java-lotto-kakao
Jan 2021 - Jan 2021
카카오 신입사원 교육을 위한 저장소
Contributions:40 reviews, 6 PRs, 6 pushes in 7 days
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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