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Job Description: Department Overview EC Marketplace Development Department (ECMPD) is a tech division under Rakuten Commerce & Marketing Company of Rakuten Group, Inc. We are responsible for developing and enhancing our online system to support our core business, Rakuten Ichiba. Rakuten Ichiba is one of the largest internet shopping malls in Japan with 5.6 trillion sales in 2022 and our business is growing year on year. We aim to provide the best shopping entertainment for our shoppers and empower our partners in Rakuten Ichiba. Position: Why We Hire We are currently seeking Senior Backend Engineers for the Rakuten Ichiba platform. The role involves the design, development, and operation of web system backends, as well as engineering team leadership and project management responsibilities. Position Details ・ Understand business requirements, and deliver features with high quality and speed ・ Leading project or leading team as senior engineer from design, develop, test, and operate new user-facing features for large scale e-commerce systems , make technical decision under complex circumstance ・ System design, implementation, testing and release for various types of development projects ・ Operations (Inquiry management, investigation and other operational tasks) Mandatory Qualifications: ・ 8+ years experiences in system development and operations ・ Technical lead experience (High traffic web system architecture design, technical decision making, etc.) ・ Experience of leading the design of the overall system with scalability and maintainability in mind, and strategically guiding the service’s future direction (user base expansion and integration of new features) ・ Experience of leading service monitoring and production environment troubleshooting/reporting ・ 5+ years experiences of Java/Spring Boot Web application development experience ・ 5+ years experiences of REST API design, development, familiar with JUnit Test and code review ・ Experience of Relational Database(Oracle or MySQL) ・ Experience of using Tomcat or WebLogic ・ Experience of Linux, Gradle, Git ・ Experience of CI/CD with Jenkins or other tools ・ Experience of container architecture such as Docker, Kubernetes in system development ・ Communication skill in English Desired Qualifications: ・ Experience of performance/stress/load test ・ Experience of using Redis, Kafka, ElasticSearch, Grafana, Kibana ・ 3+ years experiences of PHP application development using any framework ・ Experience building an environment using Kubernetes ・ Have Certified Kubernetes Administrator (CKA) or Certified Kubernetes Application Developer (CKAD) qualification Other Information: Additional information on Location Rakuten Crimson House (Head office) Additional information on English Qualification TOEIC Score 800 above or possess equivalent abilities #engineer #applicationsengineer #commerce #RakutenIchiba Languages: English (Overall - 3 - Advanced), Japanese (Overall - 3 - Advanced) In Japanese, Rakuten stands for ‘optimism.’ It means we believe in the future. It’s an understanding that, with the right mind-set, we can make the future better by what we do today. So we challenge ourselves to evolve, innovate and experiment, to create a better, brighter future for everyone. Today, our 70+ businesses span e-commerce, digital content, communications and fintech, bringing the joy of discovery to almost 1.3 billion members across the world. If you have any trouble logging in, please contact us here Rakuten Group, Inc.: rakuten-recruiting-info@mail.rakuten.com *Please read the Application Requirements(EN) / 募集要項(JP) before applying. Our Diversity & Inclusion Policy and Application Documents Rakuten’s corporate mission is to “contribute to society by creating value through innovation and entrepreneurship.” We foster a culture that provides equal opportunities to those who share this founding philosophy and take on the challenge to transform society, regardless of age, gender, nationality, or any other status. Diversity is one of Rakuten's core strategies and a driving force for innovation. Because of this, you are not required to submit any of the following information in order to apply for our job positions. - Gender - Age - Photo - Nationality* - Information not related to business, such as ideological beliefs, family structure, etc. * For legal compliance, we may ask you about your work eligibility. See the details Details Details Details
rakuten.com
Rakuten Crimson House, Japan
Senior Backend Engineer, Rakuten Ichiba - R-Storefront Section, EC Marketplace Development Department (ECMPD).
SENIOR LEVELENGINEERING
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20 Jan, 2026
rakuten.com
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