Cloud Platform Engineer (DB Specialist)

Job Description We are working to provide the best financial services to users in Japan. We empower PayPay product by realizing efficient, stable and optimized storage services. PayPay is looking for Cloud Platform Engineers who specialize in databases at scale on mission critical systems. Main Responsibilities Database operations, including monitoring, configuration management, upgrade, scaling, backup, and data migration. Iterate on database operations to improve quality and efficiency. Troubleshoot stability and performance problems. Contribute to documentation for communicating knowledge, experience and for effective decision-making. Research and test new tools in database ecosystems, and adopt them in PayPay Group. Tech Stack Languages: Python, Shell, Go, SQL, PL/SQL Databases: Aurora, MySQL, PostgreSQL, TiDB, Redis, Valkey, DynamoDB Infrastructure: AWS, Terraform, Jenkins, Ansible, Flyway Monitoring: Victoria Metrics, Grafana, Prometheus Collaboration: GitHub, Slack, Zoom, Jira, Confluence Qualifications More than 5 years of DBA experience with a minimum of 3 years MySQL or PostgreSQL experience. More than 3 years of AWS experience in recent years. Hands-on experience with Infra as Code (IaC - Terraform). Interested in new technologies and willing to improve operational quality and efficiency. Familiar with shell and programming languages for scripting (Python, Go, etc.). Preferred Qualifications Experience in automating operations related to Database or AWS. Familiarity with Jenkins, Ansible, Docker, Kubernetes. Working experience in a full remote environment. Experience in operating distributed systems. Experience working with NoSQL such as Redis, Valkey and DynamoDB. Experience working with NewSQL databases (like TiDB). Experience with DBs cost reduction and Disaster Recovery strategies.