This senior role focuses on developing AI agents and data-driven business support solutions within Rakuten’s Business Support Development Department. Candidates are expected to have strong experience in data science, machine learning, deep learning, natural language processing, and Python-based development. Practical knowledge of generative AI, large language models, retrieval-augmented generation, model evaluation, and production deployment is highly valuable. The role also requires the ability to translate business needs into reliable AI products, work with engineers and business stakeholders, and guide technical decision-making. Strong communication skills, problem-solving ability, and experience leading projects or mentoring colleagues are expected. Japanese and English proficiency may be beneficial in Rakuten’s international working environment.
Rakuten Group, Inc. is a major Japanese technology and internet services company headquartered in Tokyo. Founded in 1997, it operates a broad ecosystem covering online shopping, fintech, mobile telecommunications, digital content, travel, advertising, and professional sports. Rakuten’s services are connected through its membership and loyalty program, creating an integrated platform for consumers and businesses. The company has expanded internationally and employs a diverse workforce, with English used extensively in many corporate and technical teams. Its technology organization works on cloud platforms, artificial intelligence, data analytics, cybersecurity, mobile networks, and large-scale consumer applications. Rakuten promotes innovation, entrepreneurship, and internal collaboration, making it attractive to professionals interested in developing products used across multiple industries. The company’s scale also offers opportunities to work on complex datasets and globally deployed digital services.
Japan offers strong opportunities in software engineering, artificial intelligence, data science, cloud computing, robotics, finance, manufacturing, healthcare, and international business. Tokyo provides the largest concentration of technology and corporate roles, while Osaka, Nagoya, Fukuoka, and Kyoto also have growing employment markets. Japanese workplaces often value punctuality, preparation, teamwork, and respect for hierarchy, although international technology companies may use more flexible practices. Daily life is generally safe and convenient, with excellent public transport, reliable services, and varied housing options. Living costs are highest in Tokyo. Foreign professionals usually need an employer-sponsored work visa, commonly the Engineer/Specialist in Humanities/International Services visa, with qualifications and documentation required. Highly skilled professionals may qualify for a points-based visa. Relocation typically involves securing housing, registering an address, obtaining health insurance, and arranging a residence card. Learning basic Japanese helps with administration and everyday communication.
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