Platform Engineer

PayPay

United States

Hybrid

USD 130,000 - 190,000

Full time

14 days+

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Benefits offered by this job

Social Insurance

401K

Hybrid Workstyle

Job summary

PayPay Card is seeking a Cloud infrastructure and platform engineer to design and operate a robust, scalable AWS-based cloud platform that supports a growing customer base. The role emphasizes automation, security, and cost efficiency, with collaboration across security and development teams in a hybrid work setting.

Ideal candidates have 5+ years in cloud infrastructure, hands-on AWS expertise, and strong Python/Shell scripting skills.

Qualifications

5+ years of technical experience in Cloud-based Infrastructure Platform.
Demonstrated ownership in a Production environment.
Strong knowledge of cloud security best practices and regulatory standards.
Experience designing and operating large-scale streaming and distributed systems using Kafka.
Experience building robust platforms with DynamoDB, OpenSearch/Elasticsearch and Redis.
Experience in cloud availability, performance and cost management.
Hands-on experience with AWS computing, storage and analytics services.
Experience with IaC tools (Terraform, CloudFormation, CDK).
Experience with cloud monitoring, threat detection and incident response.
Strong scripting and programming skills: Python, Shell; Go/Rust is a plus.

Responsibilities

Architect, build, and maintain scalable cloud infrastructure.
Ensure maintainability through patching and upgrades.
Design infrastructure with AWS regional fault tolerance.
Collaborate with Security Engineers to secure infrastructure.
Automate AWS deployments to accelerate delivery.
Provide tooling so developers can easily deploy resources on AWS.

Skills

Ownership in Production

Cloud security

Kafka

NoSQL (DynamoDB/OpenSearch/Redis)

Cost management

Python

Shell scripting

Go/Rust (optional)

Cloud infrastructure design

Automation

Education

Bachelor’s degree or above in a technology field

Tools

Terraform

CloudFormation

CDK

GitHub Actions

Prometheus

Grafana

Dynatrace

Atlantis

ArgoCD

OpenTelemetry

Job description

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 70 million users since its launch (as of July 2025).

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
Experience with Cloud Services Monitoring, Detection and Response
Experience in Cloud Services Performance Tuning, cost controls and management
Experience in Cloud Infrastructure Service patching and upgrades
PayPay DevOps emphasize automation. Demonstrated skill with the following are required:
- Python
- ShellScripting
- Go/ Rust (optional)
Have excellent oral, written, verbal and interpersonal communication skills.

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 (CKA, CKAD or CKS)
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. Proficiency in either language is fine.

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

Full Flex Time (No Core Time)
In principle, 9:00am ~ 5:45pm (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 Group’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