Application Engineer - System Division Supervisory Department, System Division, Rakuten Card Co., Ltd. (Secondment)

Role summary

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This role supports the planning, development, maintenance, and improvement of systems used by Rakuten Card. Responsibilities may include defining requirements, coordinating with internal stakeholders and external vendors, managing system projects, monitoring quality and security, and improving operational processes. Candidates are expected to have experience in application or system development, project coordination, requirements definition, or systems operations. Knowledge of databases, cloud services, financial systems, information security, and software development practices is valuable. Strong communication skills are important because the position involves working across Rakuten Card, Rakuten Group, and partner companies. Japanese proficiency is generally important for business coordination in Japan, while English may be useful within the international Rakuten environment.

About the employer

Rakuten Group is a major Japanese technology and internet company founded in 1997. Its businesses cover e-commerce, fintech, mobile communications, digital content, travel, advertising, and professional sports. Rakuten Card is one of Japan’s leading credit-card and payment-service providers, serving millions of customers through credit cards, financial products, loyalty programs, and online services connected to the wider Rakuten ecosystem. The company operates large-scale, security-sensitive platforms and places strong emphasis on digital transformation, data utilization, customer convenience, and operational reliability. Employees typically work in cross-functional and multicultural teams, with opportunities to collaborate across Rakuten’s many businesses. The company is headquartered in Tokyo and is known for its Englishnization policy, although the level of Japanese and English required varies by department and position.