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Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

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Jobs→テオリア・テクノロジーズ株式会社→Senior Frontend Engineer - Lead Frontend Development, Solve Dementia Challenges with AI and Technology

Senior Frontend Engineer - Lead Frontend Development, Solve Dementia Challenges with AI and TechnologyEnglish summary from Japanese

テオリア・テクノロジーズ株式会社

✓ Detailed
Salary
700万円 〜 1,500万円
Apply on FINDY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Lead frontend development for a dementia ecosystem initiative using AI and technology. This role involves driving frontend strategy, architecture, and implementation across multiple products, aiming to reduce healthcare costs and improve quality of life. You will also contribute to building and mentoring a frontend team.

Must-haves

  • Extensive experience in web application and service development.
  • Deep frontend development experience with TypeScript, React, Next.js for large-scale applications.
  • Experience in technical selection, architecture design, development, release, and operation.
  • Proven ability to lead and direct, including giving instructions and conducting code reviews for contract members.
  • Experience with Next.js production development, utilizing SSR/SSG/ISR/CSR for public pages and member apps.
  • Experience designing and leading performance improvements for content delivery, including CDN and cache strategies.
  • Experience with Core Web Vitals and TTFB metrics, driving improvements based on measurement.

Nice-to-haves

  • Understanding of frontend security vulnerabilities (XSS, CSRF) and authentication/authorization.

About the Company

テオリア・テクノロジーズ株式会社

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Posted8/18/2026
Sourcefindy
  • Experience integrating AI technologies (LLM) into products or development workflows.
  • Experience building a frontend organization or team from scratch.
  • Deep understanding and practical experience with accessibility, especially for the elderly.
  • Tech stack

    TypeScriptNext.jsReact.jsClaude Code

    Work style

    Hybrid, with remote work possible. Location: Tokyo, Japan (Chiyoda-ku).

    Other notes

    Salary: 7,000,000 - 15,000,000 JPY per year. Full-time employment. Probation period: 3 months. Overtime: approx. 20-30 hours/month.