Backend Developer, Rakuten Ichiba - Mall Section No.2, EC Marketplace Development Department(ECMPD)
Rakuten2 months ago
Tokyo, JapanSenior
Responsibilities
- Define requirements, design systems, program, test, and deploy software for Rakuten Ichiba.
- Collaborate with PDM, internal teams, and upstream/downstream system teams.
- Monitor system stability and performance and optimize system performance.
- Design and maintain system architectures, perform refactoring, and troubleshoot issues.
- Create documentation including design documents and test cases.
Requirements
- More than 5 years of Java development experience using Spring Framework or Play Framework.
- More than 3 years of RDBMS design and development experience.
- Experience developing and operating web systems.
- Experience with JUnit unit testing, HTML, CSS, JavaScript, design patterns, RESTful APIs, and GraphQL.
- At least 1 year of experience with web servers such as Apache or nginx and at least 1 year of Unix/Linux experience.
- Experience with version control tools such as Git or SVN.
- Knowledge of web security, system scalability, and sustainability.
- Experience with system operations and stress or performance testing is desired.
- Knowledge of Docker, Kubernetes, caching or NoSQL technologies such as Redis, Kafka, MQ, and memcache is desired.
- Knowledge of CI/CD and DevOps tools such as Jenkins and CircleCI is desired.
- Documentation and English communication skills are required; TOEIC score of 800 or above is noted.
Tech Stack
Apache KafkaCircleCICSSDockerGitGraphQLHTMLJavaJavaScriptJenkinsJUnitKubernetesLinuxPlay FrameworkRedisSubversion
Categories
About Rakuten
Rakuten Group builds e-commerce marketplaces, financial services (credit cards, payments, banking, securities), and digital/communications offerings for consumers and merchants worldwide. It monetizes through transaction fees, financial services income, advertising, and mobile subscriptions; flagship businesses include Rakuten Ichiba, Rakuten Card, and Rakuten Mobile. Founded in 1997 and headquartered in Setagaya, Tokyo, the company is publicly listed on the Tokyo Stock Exchange and operates across many countries and regions.