Platform Engineer (DB Specialist)

**About the company:** PayPay Card Corporation Chiyoda City, Tokyo PayPay Card was established in 2021 to provide users with more accessible and convenient FinTech services that were previously not possible with credit cards and credit services by integrating with the PayPay payment platform. **Responsibilities:** 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 PagerDuty 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. Requirements More than 5 years of DBA experience with a minimum of 3 years of MySQL experience More than 3 years of AWS experience in recent years 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 Nice to haves While not specifically required, tell us if you have any of the following. 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 Experience working with NoSQL such as Redis, Valkey and DynamoDB Experience with DBs cost reduction Experience with DBs Disaster Recovery strategies **Requirements:** More than 5 years of DBA experience with a minimum of 3 years of MySQL experience More than 3 years of AWS experience in recent years 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 **Nice to have:** While not specifically required, tell us if you have any of the following. 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 Experience working with NoSQL such as Redis, Valkey and DynamoDB Experience with DBs cost reduction Experience with DBs Disaster Recovery strategies