M

Minato Hayashi  new_releases

About

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Osaka, Japan

Contact Minato regarding: 
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Full-time jobs
Starting at USD2k/month
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Finding candidates

Timeline


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Job
school
Education

Résumé


Jobs verified_user 0% verified
  • Anthusiasm
    Tech Lead public Remote experience
    Anthusiasm
    Jun 2024 - Current (2 years 5 months)
    Engineering
  • C
    Full-Stack Engineer
    Cybozu Inc
    Jan 2022 - Jan 2024 (2 years 1 month)
    • Contributed to internal tools and SaaS integration systems using Next.js, TypeScript, and Node.js.
    • Improved performance and maintainability of existing React components by 35%.
    • Implemented API-based automation for project tracking and report generation.
    • Collaborated with UI/UX designers to rebuild the internal dashboard using Tailwind CSS and React Query.
  • C
    Frontend Engineer
    COOSY Inc
    Jan 2021 - Jan 2023 (2 years 1 month)
    • Developed and maintained high-performance landing pages and CMS sites using React.js, Next.js, and WordPress.
    • Collaborated with design teams to implement UI animations using Framer Motion and GSAP.
    • Built a reusable design component library that cut development time by 25%.
    • Optimized website SEO and accessibility (Lighthouse score improved from 68 → 96).
  • freelance
    Freelance Full-Stack Developer
    freelance
    Jan 2019 - May 2024 (5 years 5 months)
    • Developed and deployed full-stack web applications using Next.js, React.js, Node.js, and MongoDB.
    • Built multilingual (Japanese / English) responsive websites for startups and creative agencies.
    • Integrated Stripe, GA4, and Cloudflare Insights to improve conversion tracking and performance.
    • Delivered custom CMS dashboards and REST APIs to automate data management.
    • Worked directly with clients in Japan and overseas, handling design, architecture, and deployment.
  • J
    Backend Developer
    JustSystems Corporation
    Jan 2019 - Jan 2021 (2 years 1 month)
    • Engineered and maintained RESTful APIs using Node.js, Express.js, and MySQL for SaaS platforms.
    • Integrated third-party APIs (Google Workspace, Salesforce) to enhance automation workflows.
    • Improved query performance and caching strategy, reducing API latency by 40%.
    • Supported migration from on-premise systems to AWS, improving reliability and scalability.
Education verified_user 0% verified
  • K
    Bachelor's degree
    Kindai University
    Jan 2016 - Jan 2019 (3 years 1 month)
    Focused on practical software development, systems engineering, and modern web technologies.