Dongsu Jang is an experienced technology executive with a robust background in software engineering and architecture. Currently serving as the CTO at Day1 Company since July 2018, Dongsu previously worked at Lezhin Entertainment as a Technical Lead, where involvement included leading the development of the Lezhin Comics webtoon service. Prior experience includes a senior software engineer role at KAKAO Corporation, focusing on data pipeline technologies, and senior engineering positions at KTH and ThinkFree, where Dongsu contributed to hybrid mobile app frameworks and web-based office services. Dongsu co-founded IO Communications, serving as CTO, and holds a Bachelor's degree in Electronics and Computer Engineering from Keimyung University.
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