Cloud Platform Engineer

Remote OK - Anywhere in Japan
Full-time
June 9, 2025

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

APPLY NOW ➜

About PayPay

PayPay, a FinTech company that has achieved more than 69M users (as of May 2025) 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.

The company has a diverse team of professionals from more than 50 countries and is building a world-class engineering organization.

PayPay's biggest competitor is "cash". They are seeking people who can accept this challenge positively, brush up on the product at a tremendous speed that other companies could never achieve, and who are passionate about promoting and spreading such a financial life platform in a short time along with professionalism.

Japanese Language Policy
At PayPay, there is a mixture of Japanese and English spoken. Around 80% of their product team’s discussions happen in English, and they have technical interpreters and translators on staff to facilitate any translation necessary. Some members can speak both English and Japanese, but some can only speak either English or Japanese.

PayPay doesn’t have an official shared language, but in practice English tends to be the primary language used for internal communications and technical discussions like code reviews.

Instead of requiring that everyone be able to speak a specific language, PayPay expects an ability to communicate with mutual respect and a drive to ensure that you’re understood. The product team values proactive communication highly.
Visa Sponsorship
PayPay sponsors visas for applicants from overseas.
Paid Leave
- Days Off: Saturdays and Sundays. National holidays. Year-end and New Year holidays.
- Holidays: Annual paid leave, congratulatory or condolence leave, maternity leave and etc.
Benefits
🌎 Translation/interpretation support (EN<>JP)

🧡 Support for translation or other administrative tasks in Japanese

👍 Support from bilingual PIC for engineers

🇯🇵 Free Japanese lessons on company time

💻 PC and phone are given (based on the company’s regulations)

👩‍🎓 Training Program: We have various training programs for different kinds of needs

💜 Social security/insurance benefits included

💛 Defined contribution pension system (TBC)

🏥 Health insurance

🚃 Transportation coverage (up to ¥150,000/mo)
Engineer Interview Process
PayPay'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 interviews)
- Offer Meeting
Remote Work
PayPay is committed to maintaining a "Day 1" mindset, bringing to life visions of the future that no one else can even imagine. At PayPay, 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)