About me

Frontend Engineer with 5+ years of experience designing and building scalable web applications using React and Next.js. Proven track record of improving application performance by 25~30%, developing reusable component architectures, and delivering reliable, high-quality user interfaces in production environments. Strong ownership mindset with experience driving frontend improvements, optimizing user experience, and collaborating cross-functionally to deliver efficient and maintainable systems.

What i'm doing

  • camera icon

    Deadline

    I understand the importance of adhering to deadlines to maintain project momentum and meet client expectations. Effective time management and prioritization allow me to deliver high-quality work within set timeframes, fostering trust and reliability in my freelance relationships.

  • Web development icon

    Web development

    Web development encompasses the creation and maintenance of websites, involving both front-end and back-end processes. For frontend, I focus on the user interface and experience, utilizing technologies like HTML, CSS, and JavaScript to build visually appealing and interactive sites. I am also responsible for writing API documentation.

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    Responsive Web design

    In today’s digital landscape, users access websites from a variety of devices, including smartphones, tablets, and desktops. As a full stack developer, I prioritize Responsive Web Design (RWD) to ensure that my web applications provide an optimal viewing experience across all screen sizes. I also build backends with speed and responsibility.

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    Mobile apps

    As a frontend developer, I focus on creating intuitive and responsive mobile applications that deliver seamless experiences across various devices. By leveraging the latest technologies and design principles, I strive to build apps that not only meet user needs but also provide an enjoyable and efficient interface.

Skills

Resume

Education

  1. Bachelor of Science in Information Technology

    Apr 2017 — Mar 2021

    University of Kagawa - Takamatsu City, Japan

Experience

  1. Frontend Engineer — Tadano Engineering Ltd.

    Jan 2023 — Dec 2025
    • Led frontend development across multiple production-grade web applications using React (Hooks), Next.js, and TypeScript.
    • Improved application performance by 25–30% by implementing code splitting, lazy loading, and optimizing asset delivery strategies.
    • Architected and developed a reusable component system, reducing feature development time by approximately 20% and ensuring UI consistency across projects.
    • Drove frontend–backend integration efforts, improving API reliability and data handling stability in collaboration with backend teams.
  2. Frontend Developer — Tadano Engineering Ltd.

    Jan 2021 — Dec 2022
    • Developed and delivered responsive, user-facing features using JavaScript, HTML, CSS, and React in a production environment.
    • Translated UI/UX design mockups into fully functional interfaces, reducing iteration cycles by 15–20%.
    • Proactively identified and resolved layout, responsiveness, and usability issues early in the development cycle, decreasing frontend-related bugs by ~20%.
    • Contributed to peer code reviews and debugging processes, improving overall code quality and reducing recurring defects.
    • Supported testing, validation, and release processes, ensuring stable and reliable production deployments.

My skills

  • Full stack Development
    88%
  • Responsive Web Development
    95%
  • Deadline
    98%
  • Github & Project Management
    90%

Contact

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