Cloud Platform Engineer

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, CodeCommit, CodeBuild, CodeDeploy, CodePipeline, CloudFormation and other services
• Terraform, Github Actions, Prometheus, Grafana, Atlantis, ArgoCD, OpenTelemetry

Qualifications

• More than 8 years of technical experience in cloud-based infrastructure platforms
• Extensive technical hands-on experience with computing, storage, and analytical services on AWS
• Demonstrated skill in programming and scripting languages, including Python, Shell Scripting, Go, and Rust
• Experience with infrastructure as code (IAC) tools in AWS, such as Terraform, CloudFormation, and CDK
• Proficient in Linux internals and system administration
• 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
• Strong understanding of cloud security best practices and payment industry compliance standards
• Ability to demonstrate a high degree of ownership in a production environment, including incident management and cross-team collaboration
• Experience with cloud services monitoring, detection, and response, as well as performance tuning and cost control
• Familiarity with cloud infrastructure service patching and upgrades
• Good understanding and experience with network especially on cloud platforms
• Experience in AI/ML infrastructure design and operations
• Excellent oral, written, and interpersonal communication skills
• Proficiency in either English or Japanese

Preferred Qualifications

• Bachelor’s degree and above in a technology-related field
• Experience with other cloud service providers (e.g GCP, Azure)
• Experience with Kubernetes
• Experience with Event-Driven Architecture (Kafka preferred)
• Experience using and contributing to Open Source tools
• Experience in managing IT compliance and security risk
• Published papers / blogs / articles
• Relevant and verifiable certifications
• Bilingual in English and Japanese is nice to have, but not required
• JLPT Level 3 or above

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