Available to hire
I am a Frontend Engineer with a passion for building accessible and inclusive user experiences. I specialize in React, Next.js, and TypeScript, with a strong emphasis on performance and maintainability. I thrive in remote, collaborative settings, where I can work with diverse teams to create innovative solutions that are easy for users to understand and navigate. My ultimate goal is to make technology accessible to everyone while pushing the boundaries of frontend development.
Skills
Experience Level
Expert
Language
English
Advanced
Japanese
Fluent
Work Experience
Frontend Developer at Freelance
July 1, 2025 - PresentDesigned and implemented scalable component systems using React/Next.js, focusing on maintainability, performance, and clear data flow. Architected state management and API integration strategies using TanStack Query, Redux, and custom hooks. Built production-ready tooling and features with strong attention to error states, loading patterns, and async UX. Applied semantic HTML, WCAG guidelines, and ARIA patterns as part of implementation quality and long-term maintainability.
Frontend Developer at Play’n GO
May 1, 2024 - June 1, 2025Developed internal developer tools using Vue.js, Electron, and TypeScript to automate bulk deployments and improve team workflows. Refactored legacy components for clarity, performance, and maintainability. Collaborated with design, QA, and backend teams to refine user flows and reduce DEV→QA cycle times.
Frontend Engineer at Freelance Web3 EdTech Platform
April 1, 2023 - April 1, 2024Sole frontend engineer in a 4-person async team, designing component architecture, routing, and data flow. Co-designed API contracts and adapted Prisma schema with backend engineers to ensure UI–API consistency. Implemented wallet connections, signatures, and smart-contract interactions (Metamask). Built modular components from Figma and designed error/retry strategies for non-technical users.
Frontend Developer at LSEG TORA
April 1, 2022 - March 1, 2023Worked on a financial SaaS platform with a 20+ member distributed frontend team and led a local internal tool project. Built scalable UI components (React, Redux, SCSS, TailwindCSS) for a multi-app product ecosystem. Contributed to a shared Storybook library and implemented UI tests (Jest, RTL, Cypress). Led development of an internal React tool automating PDF reports.
Frontend & UX Consultant at Freelance
May 1, 2013 - September 1, 2020Delivered 20+ responsive website projects end-to-end, balancing UX, SEO, and performance. Planned IA, led client workshops, and managed UAT for on-time delivery. Built and optimized responsive sites using HTML, JS, SCSS, WordPress, and REST APIs.
Project Coordinator at Udemy
November 1, 2018 - June 1, 2019Coordinated production of 40+ online courses in an async remote team. Managed timelines, clarified requirements, and supported instructors through onboarding. Enabled successful launch of 20+ new courses by improving project pipeline and communication.
Account Executive at Recruit Holdings Co., Ltd.
July 1, 2010 - October 1, 2012Managed 35+ client accounts in the beauty/lifestyle sector, focusing on UX-aligned growth strategies. Increased monthly visitors by 250% and tripled retention through data-informed UX improvements. Conducted workshops with salon owners to align goals and gather user insights.
Frontend Engineer at Freelance
April 1, 2023 - April 1, 2024Sole frontend engineer in a 4-person async team, designing component architecture, routing, and data flow. Co-designed API contracts and implemented wallet connections.
Education
Full-Stack Web Development Program at Microverse
January 1, 2021 - January 1, 2021BA in Pre-Law Studies at Rikkyo University
January 1, 2008 - January 1, 2008Full-Stack Web Development Program at Microverse
January 1, 2021 - January 1, 2021BA in Pre-Law Studies at Rikkyo University
January 1, 2004 - January 1, 2008Qualifications
Certified Professional in Accessibility Core Competencies
January 1, 2025 - December 10, 2025Google UX Design
January 1, 2022 - December 10, 2025IBM Enterprise Design Thinking
January 1, 2022 - December 10, 2025Certified ScrumMaster®
January 1, 2022 - December 10, 2025Certified Product Owner®
January 1, 2022 - December 10, 2025Postman API Fundamentals
January 1, 2022 - December 10, 2025Certified Professional in Accessibility Core Competencies (CPACC)
January 1, 2025 - December 10, 2025Google UX Design
January 11, 2030 - December 10, 2025IBM Enterprise Design Thinking
January 11, 2030 - December 10, 2025Certified ScrumMaster®
January 11, 2030 - December 10, 2025Certified Product Owner®
January 11, 2030 - December 10, 2025Postman API Fundamentals
January 11, 2030 - December 10, 2025Industry Experience
Education, Gaming, Financial Services, Media & Entertainment, Professional Services, Software & Internet
Skills
Experience Level
Expert
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