Database Administrator; DBA

Pay Pay Card Corporation was established in 2021 to provide users a Fin Tech service that is more accessible and convenient compared to previous credit cards and credit services, by integrating with the Pay Pay payment platform, which has surpassed 69 million users since its launch (as of May 2025).

We are looking for people who are passionate about refining our products at an overwhelming speed that other companies cannot match, as well as professionals who are interested in promoting the spread of cashless payments in Japan and the use of these payments as a financial life platform. Let us work together to create new value for users.

※ Please note that you cannot apply or be selected in parallel with Pay Pay Corporation, Pay Pay Card Corporation and Pay Pay Securities Corporation.

We are working to provide the best financial services to users in Japan. We empower Pay Pay Card products by realizing efficient, stable and optimized storage services. Pay Pay Card is looking for Database Administrators/Engineers who specialize in databases at scale on mission critical systems.

• Manage day-to-day database operations including monitoring, configuration, upgrades, scaling, backups, and data migrations.
• Continuously improve database operations through automation, tooling, and process optimization.
• Manage backups, replication, failover, and disaster recovery (DR) strategies to ensure business continuity.
• Implement and maintain database security policies, including access control and auditing.
• Ensure compliance with internal policies and external regulatory standards (e.g., PCI DSS).
• Troubleshoot and resolve performance and stability issues in production environments.
• Participate in on-call rotation and incident response using tools like Pager Duty to support 24/7 availability of critical systems.
• Collaborate with engineering teams to design scalable data models and optimize query performance.
• Research, test, and adopt emerging technologies in the database and cloud ecosystem to enhance platform capabilities.
• Create and maintain documentation for architecture, standard procedures, and operational best practices to support effective knowledge sharing and decision-making.
• Work closely with cross-functional teams to ensure the reliability, availability, and scalability of database infrastructure.

※ Depending on the team you are assigned to, there is a possibility of being required to work in the office.

• Languages:
  
  Python, Shell, SQL
• Databases:
  Oracle, MySQL (including Aurora MySQL and RDS for Oracle)
• Cloud: AWS (RDS, Aurora, EC2, S3, lambda, Secrets Manager, Cloudwatch etc.)
• Tools:
  Git Hub, Terraform, Flyway
• Collaboration:
  
  Slack, Zoom, Jira, Confluence, Miro

• More than 5 years of DBA experience with a minimum of 3 years ORACLE or MySQL experience
• More than 3 years of AWS experience
• Practical experience with Infrastructure as Code (IaC) using Terraform.
• Interested in new technologies and willing to improve operational quality and efficiency
• Strong scripting skills (Python, Shell, etc.) for automation and tooling.
• English business proficiency

• Experience in automating operations related to Database or AWS
• Familiarity with containerized environments (Docker, Kubernetes).
• Hands-on experience in operating AWS Aurora database (Postgres/Mysql compatible)
• Hands-on experience in operating AWS RDS for ORACLE
• Japanese conversational proficiency is a plus

• Full Time

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

• Full Flex Time (No Core Time)
• In principle, 9:00am ~ 5:45pm (actual working hours: 7h45m + 1h break)

• Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days

Paid leave

• Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire)
• Personal leave (5 days each year, granted proportionally according to the month of employment)
  ＊Pay Pay Group's own…