Platform Engineer

About the role

About PayPay Card

PayPay Card Corporation was established in 2021 to provide users a FinTech service that is more accessible and convenient compared to previous credit cards and credit services, by integrating with the PayPay payment platform, which has surpassed 75 million users since its launch (as of August 2026).

We are looking for people who are passionate about refining our products at an overwhelming speed that other companies cannot match, as well as professionals who are interested in promoting the spread of cashless payments in Japan and the use of these payments as a financial life platform. Let us work together to create new value for users.

※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.

Job Description

PayPay Card is looking for a Cloud infrastructure and platform engineer for PayPay Card's cloud 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.

Main Responsibilities

- Architect and build a robust, scalable and stable infrastructure

- Architect and build Infrastructure that is easily maintainable during patching and upgrades

- 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, Dynatrace, Atlantis, ArgoCD, OpenTelemetry

Required Qualifications

- More than 5 years of technical experience in Cloud based Infrastructure Platform

- Ability to demonstrate high degree of ownership in a Production environment

- Good understanding of Cloud security best practices and payment industry compliance standards

- Expertise in designing, building and troubleshooting large-scale streaming and distributed systems using Kafka.

- Expertise in building Robust platforms based on NoSQL/KVS datastores like DynamoDB, Opensearch/ Elasticsearch and Redis.

- Experience in Cloud infrastructure and platform systems availability, performance and cost management

- Extensive technical hands-on experience of Computing, Storage and Analytical Services on Cloud(AWS)

- Experience with IAC tools in AWS such as Terraform, CloudFormation, CDK