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Database Administrator - Platform and Infrastructure Department, Product Development Division, Rakuten Payment, Inc. (Secondment)

Tokyo, Japan💼 Full-time🗓 2026-09-04 → 2026-09-25

Core

Design, manage, and improve mission-critical database infrastructure for large-scale payment services, focusing on performance tuning, cloud migration, and architecture evolution.

Role type

Senior Database Administrator (Platform & Infrastructure)

Builds

High-availability payment platforms serving tens of millions of users

Domain

FinTech, Cloud Infrastructure, Database Systems

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

MySQL/MariaDB administration, performance tuning, cloud migration planning, incident management, data consistency management, cross-functional collaboration

Preferred skills

AWS Aurora/GCP CloudSQL experience, Infrastructure as Code (Terraform/Ansible), monitoring tools (Zabbix/Grafana), multi-DBMS experience (Oracle), AI-driven operations

Technologies

MySQL, MariaDB, AWS Aurora, GCP CloudSQL, Terraform, Ansible, Zabbix, Grafana, Oracle

Responsibilities

Design and manage databases for large-scale payment services, perform performance tuning in high-load environments, plan and execute on-premise to public cloud migrations, ensure data consistency and security across systems, collaborate with global teams

Seniority

Mid-Senior, hands-on IC

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