Cloud Platform Engineer (DB Specialist)

Remote OK - Anywhere in Japan
Full-time
February 4, 2026

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.

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About PayPay

PayPay, a FinTech company that has achieved more than 69M users (as of May 2025) within around six years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan.

The company has a diverse team of professionals from more than 50 countries and is building a world-class engineering organization.

PayPay's biggest competitor is "cash". They are seeking people who can accept this challenge positively, brush up on the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.

Japanese Language Policy
At PayPay, there is a mixture of Japanese and English spoken. Around 80% of their product team’s discussions happen in English, and they have technical interpreters and translators on staff to facilitate any translation necessary. Some members can speak both English and Japanese, but some can only speak either English or Japanese.

PayPay doesn’t have an official shared language, but in practice English tends to be the primary language used for internal communications and technical discussions like code reviews.

Instead of requiring that everyone be able to speak a specific language, PayPay expects an ability to communicate with mutual respect and a drive to ensure that you’re understood. The product team values proactive communication highly.
Visa Sponsorship
PayPay sponsors visas for applicants from overseas.
Paid Leave
- Days Off: Saturdays and Sundays. National holidays. Year-end and New Year holidays.
- Holidays: Annual paid leave, congratulatory or condolence leave, maternity leave and etc.
Benefits
🌎 Translation/interpretation support (EN<>JP)

🧡 Support for translation or other administrative tasks in Japanese

👍 Support from bilingual PIC for engineers

🇯🇵 Free Japanese lessons on company time

💻 PC and phone are given (based on the company’s regulations)

👩‍🎓 Training Program: We have various training programs for different kinds of needs

💜 Social security/insurance benefits included

💛 Defined contribution pension system (TBC)

🏥 Health insurance

🚃 Transportation coverage (up to ¥150,000/mo)
Engineer Interview Process
PayPay's Hiring process are as below:
- Application Review (English CV is required)
- Coding Test or Take Home Assignment (only applied to required positions)
- 3-4 Interviews (including both technical and behavioral interviews)
- Offer Meeting
Remote Work
PayPay is committed to maintaining a "Day 1" mindset, bringing to life visions of the future that no one else can even imagine. At PayPay, we provide an environment where everyone can deliver outstanding performance as professionals, through a flexible work style that includes remote and office.
Work style
- Super Flex Time with no core time
- In principle, from 9:00am-5:45pm (actual working hours: 7h45m + 1h break)