Cloud Platform Engineer

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
• Proficiency in either English or Japanese
• 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
• PayPay 5 senses
• Please refer PayPay 5 senses to learn what we value at work.
• Working Conditions
• Employment Status
• Full Time
• Office Location
• Hybrid Workstyle (flexible working style including Remote and office)
• ※ You will be expected to work both in the office and remotely, in alignment with organizational guidelines and team objectives.
• LIFE in JAPAN FACTBOOK
• Work Hours
• Super Flex Time (No Core Time)
• In principle, 9:00am-5:45pm + 1h break (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 once a year
• Special Incentive once a year *Based on company performance and individual contrib

Benefits

Additional Information

About PayPay PayPay is a FinTech company that has grown to over 70M (as of July 2025) users since its launch in 2018. Our team is hugely diverse with members from over 50 different countries. OUR VISION IS UNLIMITED_ We dare to believe that we do not need a clear vision to create a future beyond our imagination. PayPay will always stay true to our roots and realize a vision (future) that no one else can imagine by constantly taking risks and challenging ourselves. With this mindset, you will be presented with new and exciting opportunities on a daily basis and have the opportunity to grow and reach new dimensions that you could never have imagined. We are looking for people who can embrace this challenge, refresh the product at breakneck speed and promote PayPay with professionalism and passion. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description 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. Primary 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 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

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