Senior Data Scientist, Digital Advertisement/Marketing - Global Ad Technology Supervisory Department (GATD)

Role summary

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Rakuten seeks a senior data scientist to support digital advertising and marketing through data-driven solutions. Requirements typically include several years of experience in data science, machine learning, statistics, or a related field; strong Python or similar programming skills; experience with SQL, large datasets, predictive modeling, experimentation, and data visualization; and business-level communication in English. Experience in advertising technology, customer analytics, recommendation systems, or marketing optimization is highly valuable. The candidate is expected to develop models, translate complex analysis into practical business recommendations, collaborate with engineers and marketing teams, and contribute to global ad technology initiatives with autonomy and measurable impact.

About the employer

Rakuten Group, Inc. is a major Japanese technology and internet services company headquartered in Tokyo. Founded in 1997, it operates a broad ecosystem covering e-commerce, fintech, mobile communications, digital content, travel, advertising, and online services. Its membership and loyalty platform connects many of these businesses, allowing customers to earn and use Rakuten Points across the ecosystem. Rakuten also serves international markets through selected global businesses and partnerships. The company is known for its English-language working environment in many corporate and technology divisions, reflecting its global talent strategy. Rakuten's advertising and data organizations use customer insights, machine learning, and digital platforms to improve marketing effectiveness for brands and merchants. Employees typically work in cross-functional, international teams and may have opportunities to contribute to large-scale consumer technology products.