Senior Backend Development Engineer, API Group - EC Marketplace Development Department (ECMPD)

Job Description: Department Overview As the largest Internet shopping mall service with more than tens of millions of consumers in Japan, we are constantly pursuing UI/UX best practices through a continuous cycle of A/B testing, hypothesis generation, verification, analysis, and systematization to drive improvements. In addition, we optimize the web backend to provide continuous and stable service under high load conditions during major events such as Rakuten Super Sale, taking into account various system and service characteristics. Position: Position Details We, EC Marketplace Development Department is looking for a Senior Backend Development Engineer for Rakuten Ichiba. Specifically, you will be responsible for the design, development, and operation of the following web system backend, as well as the engineering team and project management. - 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: - Engineer team (more than 5 members) leading experience - Waterfall style project (scale larger than 15 man-month) management experience - Service monitoring and production environment trouble shooting/reporting experience - 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 Relation 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: - Tech lead experience (e.g. High traffic web system architecture design, technical decision making) - Performance/load test tech lead experience (e.g., High-traffic web system architecture design, technical decision-making) - Knowledge of system scalability and sustainability - 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 #Java #Kotlin Languages: English (Overall - 3 - Advanced), Japanese (Overall - 1 - Beginner) 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