Business Overview 

Rakuten Group is based in Japan and serves approximately 100 million customers, with a global reach of 1 billion. We provide over 70 services across various fields, including e-commerce, payment services, financial services, telecommunications, media, and sports. 

The Technology Platform Division (TPD) is responsible for building and operating the infrastructure and ecosystem platforms that support the Rakuten Group. Our mission is to provide Rakuten Cloud and ecosystem platforms that deliver core value to accelerate the growth of Rakuten Group's services. 

Department Overview 

Our department handles the BSS applications and their surrounding components, which are critical systems for Rakuten Mobile. 

We manage the systems used by Rakuten Mobile shop staff and the systems that allow partner companies to access internal systems. Our mission is to support the smooth onboarding of the mobile business by providing stable systems. We can closely feel the growth of the mobile business and systems that the company is focusing on. 

Position: 

Why We Hire 

We are planning to strengthen our structure and increase the number of senior engineers as leader candidates for system expansion. We are looking for colleagues to join us in building systems that are directly involved in the mobile business, which is a key focus for Rakuten. 

Position Details 

Infrastructure development, management, and operation tasks for systems used by Rakuten Mobile store staff and partner companies: 

- Continuous performance tuning and capacity planning 

- Efficiency improvements through automation 

- System failure response 

- Collaboration with stakeholders 

- Evaluation of new technologies and planning/execution for departmental implementation 

Work Environment 

We primarily use the on-premises internal cloud environment. 

Mandatory Qualifications: 

- Practical experience in Linux server design, construction, and operation (5 years or more) 

- Practical experience in project management or team leadership (3 years or more) 

- Practical experience in web system development or operation 

- Experience in creating and operating scripts (Bash/Python, etc.) 

Desired Qualifications: 

- Experience in designing, developing, and operating authentication/authorization systems (especially related to SSO) 

- Practical experience in designing, building, and operating Windows Server 

- Practical experience with Active Directory 

- Experience in operating container and application platforms 

- Curiosity and a challenging spirit towards new services and technologies 

Others Information: 

Additional information on Location 

Rakuten Crimson House 

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