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Updated 2025-05-08
Activated 2025-05-08

Back-end engineer at a major IT company
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This posting is managed by: Talent Fit Japan株式会社
Company Name Company is not publicly visible
Job Type IT (PC, Web, Unix) - Back-End Engineer
Industry IT - Other
Location Asia Japan Tokyo

Job Description Job Description

- Responsible for all aspects of Rakuten Pay backend system development, from system design, requirements definition, basic design, environment design, implementation to testing and launch

- Design and development of business logic such as API and batch processing

- Design and development of business flow/business screens, etc.

- Maintenance and operation of Rakuten Pay systems

- Leading the engineering organization

- Application liaison for Rakuten's many platforms and infrastructure

- Formulating technical guidelines, technical reviews, and training the next generation of engineers (as an engineering leader)

- Identifying issues within the team and promoting improvement activities
Company Info We are building an economic sphere with a payment system that can be used at approximately 5 million online and offline locations nationwide, including supermarkets, convenience stores, and shopping malls, as well as approximately 1 million transportation-related electronic money locations. As cashless transactions become more widespread, our business scale is expanding significantly. We are looking for people who want to create the future together.
Job
Requirements		 Required requirements:

・Experience with implementation in Java (3 years or more)

・Experience with designing and implementing open systems (3 years or more)

・Knowledge and experience with databases and system infrastructure

Preferred requirements:

・Experience with development and operation of mission-critical systems

・Experience with development and operation of consumer services

・Experience with development of large-scale, high-capacity systems

・Curiosity and a spirit of challenge for new services and technologies

・Knowledge of payments and points

・Knowledge and experience with microservices architecture
English Level Fluent (TOEIC 865-)
Japanese Level Minimum Communication Level
Salary JPY - Japanese Yen JPY 4000K - JPY 13000K   
Job Contract
Period		 full-time employee
Nearest Station 5 minutes walk from Shinagawa Station
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