This position is closed and is no longer accepting applications.

Cloud Platform Engineer

PayPay Minato-ku, Tokyo March 2 2026
  • 💴 No salary range given
  • 🏡
    Partially remote
  • 🌏
    Apply from abroad
    Relocate to Japan
  • 💬
    No Japanese required
    Business English
  • 🧪
    Senior level
    5+ years experience required

About PayPay

PayPay Minato-ku, Tokyo

With over 70M million registered users (as of July 2025), PayPay is the country’s most popular mobile wallet used by approximately one out of every two smartphone users in Japan.

Key benefits

  • International engineering team
  • Incredible scale

About the position

PayPay is looking for a Cloud Platform Engineer for PayPay’s Cloud Based payment system. This role will be responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform so that we can deliver the best experience for our growing customers base.

Tech Stack

  • AWS: VPC, EC2, ECS, EKS, Lambda, Cloudfront, MWAA, RDS, ElastiCache, DynamoDB, Opensearch, S3, CloudWatch, Cognito, SQS, KMS, Secret Manager, KMS, MSK, SES, Transfer Family, ClientVPN, Shield, WAF, GuardDuty, IAM Identity Center, Organization, WorkSpaces, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, CloudFormation and other services
  • Terraform, Github Actions, Prometheus, Grafana, Atlantis, ArgoCD, OpenTelemetry, Wiz, Backstage

Responsibilities

  • Architect and build a robust, scalable and stable infrastructure
  • Architect and build Infrastructure that is easily maintainable during patching and upgrades without downtime
  • Architect and build Infrastructure with AWS regional level failure tolerance
  • 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

Requirements

  • More than 5 years of technical and architectural experience in AWS-based infrastructure platforms
  • Extensive technical hands-on experience with computing, networking, storage, and analytical services on Latest AWS Services
  • Experience with Terraform based infrastructure as code (IAC) on AWS
  • Experience in production level infrastructure change management and releases for high traffic & business-critical systems
  • Experience in Cloud infrastructure and platform systems availability, performance and cost management
  • Experience as an AWS administrator, including Multi AWS organization management, managing 50+ AWS accounts and 100+ users
  • Strong understanding of cloud security best practices in Fintech Industry
  • Demonstrated skill in programming and scripting languages, including Python, Shell Scripting, Go, and Rust
  • Excellent oral, written, and interpersonal communication skills

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Certified at the AWS Professional or Specialty level
  • Experience in payment industry compliance standards such as PCI DSS
  • Bachelor’s degree and above in a Computer Science related field
  • Experience with other cloud service providers (e.g GCP, Azure)
  • Experience with Kubernetes (CKA, CKAD or CKS)
  • Experience in AI/ML infrastructure design and operations
  • ​​Experience using and contributing to Open Source tools
  • Published papers / blogs / articles
  • Bilingual in English and Japanese is nice to have, but not required
  • JLPT Level 3 or above

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