Platform Engineer

Remote OK - Anywhere in Japan
Full-time
May 22, 2025

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.

APPLY NOW ➜

About PayPay Card

PayPay Card was established in 2021 to provide users with more accessible and convenient FinTech services that were previously not possible with credit cards and credit services by integrating with the PayPay payment platform.

PayPay Card is looking for professionals who are passionate about refining their products at an overwhelming speed that no other company can match, and promoting the spread of cashless payments in Japan.

Japanese Language Policy
PayPay Card started internationalizing our engineering teams in 2024. They are looking for someone who has business English proficiency and an open mind to embrace Japanese culture.

PayPay Card is building up an English speaking product engineering team from scratch. They are on the move of creating an international friendly environment like PayPay's Product Division, where English is the main language and having interpreters who can provide simultaneous translation when necessary.
Paid Leave
- Holidays: Saturdays and Sundays, National holidays (in Japan), Year-End and New Year Holidays, Company-designated special days
- Paid Leave: Annual leave (up to 16 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire)
Benefits
👶 Parental Leave

💚 Translation support (EN<>JP)

🧡 Interpretation support (EN<>JP)

💟 Complete health and social insurance
Engineer Interview Process
PayPay Card's Hiring process are as below:
- Application Review (English CV is required)
- Coding Test or Take Home Assignment (only applied to required positions)
- 3-4 Interviews (including both technical and behavioral interview)
- Offer Meeting
Remote Work
PayPay Group is committed to maintaining a "Day 1" mindset, bringing to life visions of the future that no one else can even imagine. At PayPay Card, we provide an environment where everyone can deliver outstanding performance as professionals, through a flexible work style that includes remote and office.
Work style
- Super Flex Time with no core time
- In principle, from 9:00am - 5:45pm (actual working hours: 7h45m + 1h break)
PayPay Card is part of PayPay Group
PayPay, a FinTech company that has achieved more than 65M users (as of August 2024) within around six years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan. By integrating with PayPay payment platform, PayPay Card is able to provide users with more accessible and convenient FinTech services that have not been possible with credit card services.

Internationalizing engineering division
PayPay Card is aiming to become No.1 domestic credit card company and we believe having a multinational engineering team like PayPay will be a key to growth. We want to improve our engineering practices to meet worldwide industry standards and we are targeting to internationalize the engineering division, introduce scalable engineering practices and improve cross-company interaction.

Building an English product team from scratch
PayPay Card is building up an English speaking product engineering team from scratch. We are on the move of creating an international friendly environment like PayPay’s Product Division, where English is the main language and having interpreters who can provide simultaneous translation when necessary.