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jo-duchan/README.md

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Hi, I'm Duchan πŸ‘‹

Designer-turned-frontend engineer in Seoul. Two years of design and four of engineering taught me both languages of a UI β€” the one that designs a screen, and the one that builds it into components.

On quality β€” I trust systems over attention. Rules that live only in someone's head get skipped on a busy day, so I turn them into linters, commit gates, and review requirements. If a rule matters, a pipeline should enforce it β€” not memory.

On AI β€” AI writes most of my code. My work has moved to the structure around it: the context it reads, the harness it runs in, and the engineering that makes delegated code trustworthy. And because I enjoy giving back to the ecosystem, that work ships in the open β€” open-source projects like tapflow and a11y-lens, and Optilify, a no-code A/B-testing SaaS on Figma prototypes that I run as its sole developer.

Writing β€” Medium

πŸ“« jo_duchan@icloud.com

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  1. tapflow tapflow Public

    Self-hosted iOS & Android simulator streaming for the whole team

    TypeScript 1.4k 154

  2. a11y-lens a11y-lens Public

    AI semantic accessibility linter β€” catches what static linters miss

    JavaScript 4