Platform Engineer (DB Specialist)

About PayPay

PayPay, a FinTech company that has achieved more than 69M users (as of May 2025) 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.

Our 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.

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.

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Position

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 Platform Engineers who specialize in databases at scale on mission critical systems.

Team Missions

• Make sure to satisfy requirements for datastores in PayPay
• Provide support for application teams to keep sustainable operations
• R&D to resolve issues from datastore perspective

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

Tech Stack

| Python, Shell, Go, SQL, PL/SQL 
| Aurora, MySQL, TiDB, Redis, DynamoDB
| AWS
| GitHub, Terraform, Jenkins, Ansible, Flyway
| Victoria Metrics, Grafana, Prometheus, Newrelic
| Slack, Zoom, Jira, Confluence

Your qualification

• More than 5 years of DBA experience     
      with a minimum of 3 years MySQL experience
      OR
      with a minimum of 3 years Redis/DynamoDB experience
• More than 3 years of AWS experience    
• 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, 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 NewSQL databases (like TiDB)
• Experience with DBs cost reduction

What we offer

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K
• Language Learning support
• Translation/Interpretation support
• VISA sponsor + Relocation support

Additional details

PayPay 5 senses

• Please refer PayPay 5 senses to learn what we value at work.

Employment Status

• Full Time

Office Location

• WFA(Work From Anywhere at Anytime)
• Remote Job
• You can live anywhere in Japan

Work Hours

• Super Flex Time (No Core Time)
• In principle, 10:00am-6:45pm (actual working hours: 7h45m + 1h break)

Holidays

• 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)

*PayPay's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc.

Salary

• Annual salary paid in 12 installments (monthly)
• Based on skills, experience, and abilities
• Reviewed twice a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Late overtime allowance, Work from anywhere allowance (JPY100,000)