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PayPay Corporation

Cloud Platform Engineer

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Description

You will own and improve the end-to-end application delivery platform, from CloudFront through EKS clusters. You will build in-house platform tools and custom Kubernetes controllers, automate operational workflows, maintain delivery infrastructure, and help define reliability standards. You will participate in on-call support, troubleshoot platform issues, and document platform architecture and procedures.

Responsibilities

  • Develop, maintain, and automate in-house tools, Kubernetes manifest generators, and scripts using Python or Go
  • Upgrade and patch EKS clusters and associated components through safe, repeatable automation
  • Manage and optimize Karpenter and Argo CD
  • Implement and manage service mesh solutions such as Istio and Linkerd
  • Participate in a 24/7 on-call rotation and implement preventative measures
  • Configure and manage CloudFront distributions and WAF web ACLs
  • Develop and maintain platform architecture, process, and troubleshooting documentation

Requirements

  • Demonstrable experience with advanced software engineering practices, including unit and integration testing
  • Deep understanding of Kubernetes internals and the controller-runtime framework
  • Experience developing, testing, and maintaining custom Kubernetes controllers, operators, and CustomResourceDefinitions
  • Experience as a Platform Engineer, Site Reliability Engineer, or similar role focused on end-to-end platform ownership
  • Practical experience with Karpenter, Argo CD, and Terraform
  • Strong networking fundamentals and ability to troubleshoot request paths across CloudFront, WAF, load balancers, Kubernetes networking, service mesh, and workloads
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience

Benefits

  • Super Flex Time with no core time
  • Annual leave of up to 14 days in the first year
  • Personal leave of 5 days each year
  • Social insurance
  • 401K
  • Translation and interpretation support
  • Visa sponsorship
  • Relocation support

Skills

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See also

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