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

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Jobs→スリーエス株式会社→Care SaaS | New Product Launch | TypeScript x AI Development | Tech Lead Wanted to Lead Technical Foundation

Care SaaS | New Product Launch | TypeScript x AI Development | Tech Lead Wanted to Lead Technical FoundationEnglish summary from Japanese

スリーエス株式会社

✓ Detailed
Salary
7 million yen ~
Apply on FINDY

Role summaryEnglish summary from Japanese

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

Threees is launching a new home-visit care support SaaS product in FY2026 and is seeking a Tech Lead to build its technical foundation. This role involves leading new product launches, improving existing products, and enhancing development productivity and organization.

Must-haves

  • 5+ years of web application development experience
  • Development experience using TypeScript / React
  • Experience in all phases from design to implementation and review
  • Development experience utilizing AI agents
  • Ability to commute to Tokyo office 2-4 days per week
  • Japanese proficiency level N1 or higher

Nice-to-haves

  • Technical Lead experience
  • Experience introducing/improving CI/CD and automated testing
  • Experience improving development productivity
  • Experience driving development in collaboration with Product Managers and other teams
  • Development experience in a small team environment

Tech stack

TypeScript

About the Company

スリーエス株式会社

Posted6/9/2026
Sourcefindy
React
Next.js
GraphQL
Google Cloud Platform
AWS
PostgreSQL
GitHub Actions
GitHub
Notion
Slack
Cursor
ClaudeCode
Gemini

Work style

Hybrid (2-4 days onsite in Tokyo office)

Other notes

Annual salary: ¥7,000,000 - ¥8,000,000