Application Engineer - System Division Supervisory Department, System Division, Rakuten Card Co., Ltd. (Secondment)
Rakuten2 months ago
Tokyo, JapanMid Level
Responsibilities
- Gather business requirements and define application requirements.
- Design, construct, maintain, and operate mission-critical payment service applications.
- Troubleshoot applications in production environments.
- Build, improve, and maintain CI/CD processes.
- Support application monitoring, log analysis, performance improvement, security, testing, and API development as needed.
Requirements
- At least three years of web application development experience using Java and Helidon MP.
- Experience building and operating applications in cloud environments, particularly AWS.
- Experience developing applications with RDBMS or NoSQL databases, particularly Dynamo and DSQL, along with SQL knowledge.
- Experience using CI/CD pipelines such as GitHub Actions, including test automation.
- Experience troubleshooting applications in production environments.
- Preferred qualifications include microservices, Docker, Kubernetes, RESTful API, GraphQL, unit/integration/E2E testing, performance tuning, OWASP Top 10, CloudWatch, Prometheus, Grafana, Datadog, financial systems, and English communication skills.
Benefits
- Work location options include Rakuten Crimson House Aoyama in Tokyo and the Fukuoka Office in Hakata.
- Employment is with Rakuten Group, Inc., with secondment to Rakuten Card Co., Ltd.
- Rakuten Group employee benefits are referenced in the posting.
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.