Application Engineer - System Division Supervisory Department, System Division, Rakuten Card Co., Ltd.
Core
Design, build, maintain, and operate mission-critical payment service applications on AWS for Rakuten Card's credit card and payment systems.
Role type
Application Engineer (Backend)
Builds
Payment service applications and supporting infrastructure on AWS
Domain
Fintech / Payment Systems
Deliverable
production ML models | product features
Required skills
Java, HelidonMP, AWS, RDBMS, NoSQL (DynamoDB, DSQL), CI/CD (GitHub Actions), Production Troubleshooting
Preferred skills
Microservices architecture, Docker, Kubernetes, RESTful API, GraphQL, TDD, Performance tuning, Web security (OWASP), System monitoring (CloudWatch, Prometheus, Grafana, Datadog), Agile (Scrum), Financial industry regulations
Technologies
AWS, Java, HelidonMP, DynamoDB, DSQL, GitHub Actions, Docker, Kubernetes, CloudWatch, Prometheus, Grafana, Datadog
Responsibilities
Hear business requirements, define application requirements, design and construct applications, troubleshoot production issues, improve CI/CD processes
Seniority
Mid-level, hands-on IC
