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

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Jobs→株式会社kubell→Senior Front-end Engineer (Chatwork)

Senior Front-end Engineer (Chatwork)English summary from Japanese

株式会社kubell

✓ Detailed
Salary
応相談
Location
〒105-0001 東京都港区虎ノ門一丁目10番5号 KDX虎ノ門一丁目ビル WeWork KDX 虎ノ門1丁目 ※変更の範囲:会社(出向先の会社を含む)の定める場所 ※プロダクト職種は月1出社となります。  出社日は、配属先の本部のルールによって異なります。
Job Type
Full-time
Work Style
契約期間:期間の定めなし(試用期間3ヶ月) 勤務時間:フレックスタイム制(メインタイム※ 10:00-16:00) ※業務遂行の推奨時間帯
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Role summaryEnglish summary from Japanese

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

We are seeking a Senior Front-end Engineer to join our team and drive the evolution of "Chatwork," a large-scale SPA used by over 1.16 million users daily. This role involves tackling complex challenges in non-functional requirements and contributing to the growth and sustainability of our product.

Must-haves

  • Experience integrating AI into editors/IDEs for code completion and generation
  • Understanding of generative AI and prompt improvement
  • Experience with state management and component design in front-end development
  • Professional experience using TypeScript
  • Professional experience with component-oriented frameworks (React, Angular, Vue.js, etc.)
  • Professional experience with Git/GitHub development workflows

Nice-to-haves

  • Experience with design tools like Figma or Sketch for UI/design system operations
  • Experience with Domain-Driven Design
  • Server-side development experience
  • People management experience
  • Team development and project progress management experience

Tech stack

TypeScriptScala.jsReactReduxRelay (GraphQL)styled-componentsStorybookAmazon Web ServicesFirebaseGitHub

Work style

Hybrid (1 day per month in office), Tokyo, Japan. Flexible working hours with core time 10:00-16:00.

Other notes

Salary: Negotiable. Employment type: Full-time. Probationary period: 3 months. No fixed contract period.

About the Company

株式会社kubell

Headquarters
〒105-0001 東京都港区虎ノ門一丁目10番5号 KDX虎ノ門一丁目ビル WeWork KDX 虎ノ門1丁目
Founded
2004-11
Visit Website
Posted7/28/2026
Updated2026/07/28 16:00
Sourceherp