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Senior Software Engineer - Marketing Cloud Platform Department (MCPD)

Tokyo, Japan💼 Full-time🗓 2026-07-07 → 2026-07-31

Core

Design, develop, test, and operate distributed systems for campaign management, content management, segmentation, personalization, marketing automation, scheduling, message delivery, and measurement/analysis within the company's Communication Platform.

Role type

Senior Software Engineer (Distributed Systems & Marketing Platform)

Builds

Scalable, reliable marketing platform services for Rakuten's internal marketing teams

Domain

Marketing Technology / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java, Kotlin, Cloud computing (AWS, GCP, Azure), Distributed systems design, Microservices architecture, System design, Code review, Incident troubleshooting

Preferred skills

Unix/Linux, CI/CD (Jenkins, Docker, k8s), Test automation (Karate, BDD, Cucumber), Email industry knowledge, MTA services, Front-end (Angular, React), Mission-critical systems experience

Technologies

Java, Kotlin, AWS, GCP, Azure, Jenkins, Docker, k8s, Karate, Angular, React

Responsibilities

Design and develop services inside the Communication Platform; Investigate design approaches and evaluate technical feasibility; Implement innovative features to improve current systems; Create elegant architectures for performance, availability, reliability, and scalability; Write clean, maintainable code and perform peer code-reviews; Troubleshoot production incidents and provide countermeasures

Seniority

Senior, hands-on IC

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