Cloud Platform Engineer

About PayPay

PayPay is a FinTech company that has grown to over 75M (as of August 2026) 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

Qualifications

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

Preferred Qualifications

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
• ※ You will be expected to work in the office, 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

• •Late overtime allowance
• ※Payroll payment can be changed to digital salary payment “PayPay Paycheck” for an amount set by you

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)

401K

Translation/Interpretation support

VISA sponsor + Relocation support

Other Information:

PayPay Inside-Out (Corporate Blog) /JP

PayPay Inside-out (Corporate Blog) /ENG

PayPay Product Blog /JP

PayPay Product Blog /ENG

PIVOT動画：【PayPayが仕掛ける金融革命】