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

Job listings include English summaries for screening. Always verify details on the original job board before applying.

Jobs→PayPay株式会社→[PayPay x Bank] Creating Next-Generation Core Banking | Backend Engineer to Lead Financial Industry Transformation ※Secondment to PayPay Bank

[PayPay x Bank] Creating Next-Generation Core Banking | Backend Engineer to Lead Financial Industry Transformation ※Secondment to PayPay BankEnglish summary from Japanese

PayPay株式会社

✓ Detailed
Salary
8M JPY - 12M JPY
Location
Tokyo
Job Type
Full-time
Work Style
null~null
Apply on GREEN

Role summaryEnglish summary from Japanese

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

Backend Engineers are needed to develop and operate core banking systems using C and Java. This role involves designing and developing high-reliability financial platforms, balancing performance and stability, and utilizing infrastructure to solve system issues.

Must-haves

  • Experience in backend application development and operation using C and Java.
  • Ability to design and develop systems balancing performance and stability.
  • Understanding of how to utilize infrastructure to solve system issues.
  • Experience in designing architecture based on application requirements.
  • Experience in microservice performance tuning, monitoring setup, and alert response.

Nice-to-haves

  • Experience developing applications for new services or improvements to existing services.
  • Familiarity with projects like account opening chat linked with LINE, PayPay mini-app integration, cardless ATM usage expansion, loan services improvement, etc.

Tech stack

CJava

Work style

Onsite, Tokyo

About the Company

PayPay株式会社

Headquarters
東京都千代田区紀尾井町3-12 紀尾井町ビル11階
Visit Website
Posted1/8/2026
Updated2026/01/08
Sourcegreen