About PayPay

Minato-ku, Tokyo

With over 55 million registered users (as of February 2023), PayPay is the country’s most popular mobile wallet. Half of all of Japan's smartphone users are using it, and more than 2 billion payments made per year.

Key benefits

  • International engineering team
  • Japanese lessons on company time
  • Incredible scale

About the position

PayPay is looking for a Cloud Infrastructure Engineer to work on our AWS Based payment system infrastructure to deliver the best payment experience for our growing customers base.


  • Architect and build a robust, scalable and stable infrastructure.
  • Architect and build Infrastructure that is easily maintainable during patching and upgrades.
  • Architect and build Infrastructure with AWS regional level failure torelance.
  • Work together with our Security Engineers to provision a secure Infrastructure.
  • Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers.
  • Provide through Automations means for developers to easily deploy resources on AWS.

Tech Stack

  • AWS: IAM, VPC, EC2, Lambda, Cloudfront, S3, CloudWatch, WAF, AWS SSO, Athena, SQS, Global Accelerator, Cognito, KMS, Secrets Manager, RDS, DynamoDB, ECS, EKS, ECR, Elasticsearch, MSK, Elasticache and other data stores
  • GCP: BigQuery, Storage & Google Analytics
  • Terraform, Jenkins, Github Actions, Atlantis, NewRelic


  • More than 5 years of technical experience in AWS based Infrastructure architect and building
  • Has maintained over 200 servers in a production, customer facing cloud environment
  • PayPay DevOps emphasizes automation. Demonstrated skill with Python and Shell Scripting is required
  • Extensive technical handson experience of Computing, Storage and Analytical Services on Cloud(AWS).
  • Experience with IAC tools in AWS such as Terraform, Ansible, CloudFormation
  • Experience with Linux Internals and System Administration
  • Experience with Cloud Services Monitoring, Detection and Response.
  • Experience in Cloud Services Performance Tuning, cost controls and management
  • Experience in Cloud Infrastructure Service patching and upgrades

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience with other cloud service providers (e.g GCP, Azure)
  • Experience using and contributing to Open Source tools
  • Published papers / blogs / articles
  • Experience in managing IT compliance and security risk
  • Relevant and verifiable certifications - JNLP Level 3 or above


8 to 14 million JPY annually.

Meet PayPay's Developers

Growing your career by asking for you want

with Ashwini Meshram

Ashwini leads one of PayPay’s payment sub-teams. She got there by doing something she’s done throughout her career: identifying something she wants to do and asking to do it.

Read her story...

Rapidly scaling to tens of millions of users

with Shilei Long

Shilei started working on PayPay before it launched, and has seen it grow into a product used by tens of millions of users. He explains how diversity has helped them overcome challenges, and what PayPay is looking for in candidates.

Read his story...

Refactoring PayPay’s Android App

with Adrian Mariadas

Adrian came to Japan to join PayPay as an Android Engineer. As the app has grown in scope, refactoring the codebase to ensure development can continue at a rapid pace has been a big part of his job.

Read his story...

iOS Development at PayPay

with Yoseph Savianto

Yoseph joined PayPay after being attracted to their mission of making Japan a cashless society. As an iOS Engineer, he originally joined their iOS feature team, but now works on their platform team, creating an internal SDK for their iOS and Android apps.

Read his story...

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