Senior Backend Engineer - R-Storefront Section, EC Marketplace Development Department (ECMPD)

Role summary

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Rakuten is seeking a Senior Backend Engineer for the R-Storefront team within its EC Marketplace Development Department. The role involves designing, developing, testing, deploying, and maintaining backend services that support Rakuten’s large-scale e-commerce storefront. Candidates are expected to have strong experience with backend development, preferably using Java or comparable technologies, along with knowledge of databases, APIs, distributed systems, and cloud or Linux environments. Experience leading technical discussions, improving system performance and reliability, reviewing code, and collaborating with product managers and engineers is valuable. Business-level Japanese or English may be required depending on team responsibilities. The successful candidate should be comfortable working in a fast-paced, international organization and taking ownership of complex technical challenges.

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 online marketplaces, fintech, mobile communications, travel, digital content, advertising, and professional sports. Rakuten’s e-commerce business connects millions of customers and merchants through services such as Rakuten Ichiba, making reliable and scalable software essential to its operations. The company has a strongly international workforce and promotes an English-oriented working environment in many technology and corporate teams. Engineers work on high-traffic platforms, cloud services, payment systems, recommendation technologies, and customer-facing digital products. Rakuten offers opportunities to work on large-scale systems while collaborating with colleagues from Japan and overseas. Its culture generally emphasizes innovation, ownership, customer value, and cross-business collaboration.