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