Application Engineer - System Development Department, System Division, Rakuten Bank, Ltd.

Role summary

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This role supports application development for Rakuten Bank’s banking systems, including requirements definition, design, development, testing, maintenance, and system improvement. Candidates are expected to have practical experience in application or web-system development, knowledge of software engineering processes, and the ability to work with internal teams and external partners. Experience with Java, database technologies, cloud platforms, financial systems, or large-scale transaction services is advantageous. The successful candidate should be reliable, security-conscious, analytical, and comfortable working in a regulated banking environment. Strong communication skills, a collaborative attitude, and the ability to manage priorities while delivering stable, high-quality systems are also expected.

About the employer

Rakuten Bank, Ltd. is a major Japanese online bank and part of the Rakuten Group, one of Japan’s leading internet and technology companies. Established as a digital-focused financial institution, the bank provides services such as deposits, payments, loans, foreign exchange, investment products, and mobile banking. Its business depends heavily on secure, reliable, and scalable technology, creating opportunities for engineers involved in application development, infrastructure, cybersecurity, data, and financial platforms. Rakuten Bank serves individual and business customers and is known for integrating banking with the wider Rakuten ecosystem, including e-commerce, mobile communications, and loyalty services. The company’s headquarters are in Tokyo, and its working environment typically combines financial-sector discipline with a technology-oriented, customer-focused approach.