This role requires strong experience developing backend systems, preferably with Java, Kotlin, or other modern programming languages, along with solid knowledge of databases, APIs, distributed systems, testing, and cloud technologies. Experience handling high-traffic e-commerce platforms and designing scalable, reliable services is valuable. The candidate is expected to contribute to architecture and technical decisions, write maintainable code, investigate production issues, improve system performance, and collaborate with product managers, frontend engineers, QA, and other teams. Rakuten will likely expect effective communication in a multicultural environment, ownership of deliverables, mentoring capability, and a practical focus on security, stability, and customer experience.
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 Ichiba is the company’s flagship Japanese e-commerce marketplace, connecting consumers with a large network of merchants and brands. The business uses membership, loyalty, and data technologies to link services through the Rakuten ecosystem. Its engineering teams develop large-scale platforms used by millions of customers and businesses, making reliability, scalability, security, and continuous product improvement important priorities. Rakuten employs people from many countries and commonly works in international, cross-functional teams. Benefits, compensation, and language requirements vary by position, so applicants should confirm the details in the specific vacancy.
Japan offers strong opportunities in software engineering, cloud computing, data, robotics, finance, manufacturing, tourism, and international business, especially in Tokyo, Osaka, Nagoya, and Fukuoka. Workplace culture often values punctuality, preparation, teamwork, respect, and steady relationship-building, although technology companies may offer more flexible and international environments. Living costs are highest in Tokyo; public transport is excellent, healthcare is accessible, and daily life is generally safe and convenient. Japan has four seasons, diverse regional food, and excellent rail connections, but earthquakes and typhoons are natural risks. Most overseas hires need an appropriate work visa, commonly the Engineer/Specialist in Humanities/International Services status; employers frequently sponsor applications. A Certificate of Eligibility is normally required before applying at a Japanese embassy or consulate. Relocating workers should arrange housing, residence registration, health insurance, tax procedures, and a local bank account after arrival.
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