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Updated 2025-05-29
Activated 2025-05-29

Backend Engineer

This posting is managed by: Michael Page International Japan K.K./マイケル・ペイジ・インターナショナル・ジャパン株式会社
Company Name Company is not publicly visible
Job Type
Michael Page International Japan K.K./マイケル・ペイジ・インターナショナル・ジャパン株式会社
IT (Hardware/Network) - Server Architect and Developer
Industry IT - Other
Location Asia Japan Tokyo

Job Description Join Rakuten's EC Marketplace Development Department to help build and scale Japan's largest e-commerce platform, Rakuten Ichiba.
As a backend engineer, you'll work across the entire development lifecycle to deliver robust, high-performing systems that shape online shopping for millions.


Description

・Full-cycle system development: requirements definition, design, coding, testing, and deployment
・Collaborate with Product Managers, upstream/downstream teams, and internal stakeholders
・Monitor system stability and performance; optimize and refactor codebases
・Design, maintain, and evolve system architecture
・Handle troubleshooting and performance tuning in a scalable environment


Profile

・5+ years of hands-on experience in backend development using Java (Spring Framework or Play Framework)
・Proven experience in web-based system development and operation
・Solid understanding of system architecture and scalable backend design
・Team player with strong communication skills to work across departments


Job Offer

・Opportunity to work on Japan's largest-scale e-commerce system
・Take part in high-impact projects that directly affect millions of users and merchants
・Collaborative, multicultural engineering environment with access to modern technologies


To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Keisuke Handa +81366276073.
Company Info Rakuten Group, Inc. is one of Japan's largest internet service companies, with over 70 businesses spanning e-commerce, fintech, mobile, and more.
This position belongs to the EC Marketplace Development Department (ECMPD), a core division within the Commerce & Marketing Company, responsible for the development and maintenance of Rakuten Ichiba's systems.
English Level Business Conversation Level (TOEIC 735-860)
Japanese Level None
Salary JPY - Japanese Yen JPY 1500K   
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