Keita Ishibashi is a Tokyo-based frontend developer with 11 years of experience crafting user-focused web interfaces, blending a designer’s eye with engineering rigor. Having shipped products at DMM.com Group and Mercari, he specializes in frontend technologies while also contributing to backend, infrastructure, and CI/CD efforts when projects demand full-stack sensibility. His background as a UI designer informs a strong emphasis on accessibility and UX, driving practical, inclusive interfaces rather than just polished visuals. Active on GitHub as usagi-f, he combines hands-on coding with design thinking to improve user journeys and developer workflows.
11 years of coding experience
9 years of employment as a software developer
Information processing, Information processing at Hiratsuka commercial high school
Contributions:104 commits, 39 PRs, 52 pushes in 1 year 2 months
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