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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Belong→Eng21_ [Itochu Corporation Group] Expanding to America | Seeking Senior Software Engineer to lead rapidly growing global products <Internal Core Systems>

Eng21_ [Itochu Corporation Group] Expanding to America | Seeking Senior Software Engineer to lead rapidly growing global products <Internal Core Systems>English summary from Japanese

株式会社Belong

✓ Detailed
Salary
7M JPY - 10M JPY
Apply on FINDY

Role summaryEnglish summary from Japanese

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

Itochu Corporation Group's Belong is seeking a Senior Software Engineer to lead the development and operation of their core data management platform. This role is crucial for supporting rapid business growth and global expansion into the American market, evolving the platform into a world-class system.

Must-haves

  • Practical experience with MySQL
  • Practical experience with Python
  • Experience utilizing LLMs for business improvement or feature implementation
  • Fluent Japanese communication (Business level or JLPT N1 equivalent)

Nice-to-haves

  • System construction and operation experience on Google Cloud
  • Development experience using Protocol Buffers / gRPC
  • Experience designing large-scale APIs or operating external APIs
  • Passion for automation to solve manual tasks
  • Incident management and response experience

Tech stack

MySQLPythonLLM

About the Company

株式会社Belong

Visit Website
Posted8/17/2026
Sourcefindy
Google Cloud
Protocol Buffers
gRPC

Work style

Hybrid: 3 days/week at Tokyo HQ (Chiyoda-ku, Akasaka), with potential for occasional on-site work at the Zama Operation Center. Flexible hours with core time 11:00-15:00.

Other notes

Salary: JPY 7,000,000 - 10,000,000 per year. Full social insurance coverage. Non-smoking environment.