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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→Backend Engineering Manager (Chatwork) <Flex / Hybrid work OK>

Backend Engineering Manager (Chatwork) <Flex / Hybrid work OK>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
Apply on HERP

Role summaryEnglish summary from Japanese

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

We are seeking an Engineering Manager to lead our backend engineering team for the business chat product "Chatwork". You will be responsible for maximizing team productivity, supporting engineer growth, and driving the product strategy in collaboration with business and product managers. This role involves managing a team working on a large-scale system with high traffic and complex technical challenges, including migrating from a monolithic architecture.

Must-haves

  • 3+ years of backend development/operations experience, especially with SaaS or high-traffic services.
  • Experience in engineering management or equivalent leadership roles (e.g., Tech Lead, Scrum Master with people management aspects).
  • Experience in engineer recruitment, goal setting, performance evaluation, and career development.
  • Deep understanding of Agile development methodologies (e.g., Scrum) and experience in improving development processes.
  • Ability to integrate AI into editors/IDEs for code completion/generation, or understand generative AI basics and improve prompts.

Nice-to-haves

  • Experience managing development, operations, and management for large-scale SaaS products.
  • Backend implementation/operation experience with PHP, Scala, or Go.

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 15:52
Sourceherp
  • Experience leading mid-to-long-term re-architecture projects (e.g., monolith to microservices).
  • Experience managing engineering teams of 10+ people or building new development teams from scratch.
  • Understanding of product management and experience in negotiation/consensus building with business leaders and non-engineering departments.
  • Experience designing and operating large-scale systems using advanced architectures like CQRS, event-driven, or EventSourcing.
  • Practical experience with Kubernetes cluster operations and pod-level management.
  • Experience designing and operating advanced monitoring systems with a focus on observability (o11y).
  • Tech stack

    PHPScalaGo

    Work style

    Hybrid work is acceptable. Location: Tokyo. Product roles require one day of office work per month.

    Other notes

    Salary: Negotiable. Employment type: Full-time. Probationary period: 3 months. Working hours: Flextime (core hours 10:00-16:00).