Hyeonsu Ha is a Seoul-based Co-Founder and System Designer with a decade of hands-on experience building and re-architecting mobile products and full-stack systems. He has led global iOS development efforts at Karrot, driving large-scale rewrites with Texture and CleanSwift and establishing TDD conventions that improved maintainability and quality. Prior roles at Vingle and other startups show deep expertise in feed, chat, and editor systems, plus ongoing work as a product engineer at Fallcent. Equally comfortable sketching high-level system designs and shipping production code, he describes himself simply as “I make anything,” reflecting a maker’s mentality and wide technical curiosity. His background in electronic engineering gives him a hardware-aware perspective that informs pragmatic, performance-conscious app architectures. As a founder and practitioner, he blends product sensibility with engineering craft to turn ambiguous problems into reliable user-facing systems.
10 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Electronic engineering, Bachelor's degree, Electronic engineering at Kyungpook National University
Contributions:5 reviews, 6 PRs, 17 pushes in 3 years 3 months
cleanswiftiosclean-swiftvip
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Hyeonsu Ha - Co-Founder System Designer at 폴센트 (fallcent)