Cloud Platform Engineer (DB Specialist)

About the role

About PayPay

PayPay is a FinTech company that has grown to over 75M (as of August 2026) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries.

OUR VISION IS UNLIMITED_

We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.

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

| Python, Shell, Go, SQL, PL/SQL | Aurora, MySQL, PostgreSQL, TiDB, Redis, Valkey, DynamoDB | AWS | GitHub, Terraform, Jenkins, Ansible, Flyway | Victoria Metrics, Grafana, Prometheus | 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 language for scripting(Python, Go,...)

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