AI Development Engineer – Data Intelligence Department, Rakuten Bank, Ltd.

Role summary

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This role develops and operates AI and data-intelligence solutions for Rakuten Bank. Candidates are expected to have practical experience with Python or similar programming languages, machine learning, statistics, data analysis, and databases or cloud platforms. Experience building production-grade AI models, data pipelines, recommendation or forecasting systems, and understanding software development practices is valuable. The successful candidate should be able to translate banking and business requirements into reliable technical solutions, work collaboratively with data scientists, engineers, and business teams, and communicate clearly in a regulated financial environment. Knowledge of financial services, Japanese business practices, and Japanese or English communication may be advantageous.

About the employer

Rakuten Bank, Ltd. is a major Japanese online bank and part of the Rakuten Group, one of Japan's leading internet services and fintech companies. The bank provides digital banking services such as deposits, payments, loans, foreign exchange, and other financial products through technology-driven platforms. Its business benefits from integration with the wider Rakuten ecosystem, including e-commerce, mobile communications, travel, and loyalty services. Rakuten Bank places strong emphasis on convenient online customer experiences, automation, data utilization, security, and scalable financial infrastructure. The Data Intelligence Department supports the use of analytics and artificial intelligence to improve operations, customer services, risk management, and business decision-making. Employees typically work in a fast-moving, technology-focused environment where collaboration across engineering, banking, and corporate teams is important.