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Skills: java spring-boot kubernetes amazon-web-services apache-kafka

PayPay is looking for a Platform Engineer to work on our payment system to deliver the best payment experience for our customers.

The mission of our SRE team (which we call "Platform team" at PayPay) is to build and architect stable infrastructure so that we can provide secure service to all the customers with our highest speed.
Our number of transactions as well as users have been increasing day by day since our first product release. The infrastructure/system must be capable of scale-out, and we need to always consider room for the growth. Since Paypay's system is highly mission-critical, handling payment solutions - our top priority for the system is to be able to provide stable service.

From risk-hedging perspective, it is important to assure our infrastructure is maintained properly with a high level of usability so that even if our resources fail instances get down, we can continue our service.
Our current phase is not yet a "maintenance" phase - as a platform engineer, you will be required to architect the whole system in a scalable manner while with employing a variety of technologies.

Architect, maintain and tune our PayPay infra system with the following tech domains:
- AWS
- Kafka
- Kubernetes
※ We rotate roles and responsibilities among those tech stacks, and you will be able to experience a wide range of technologies.

Qualifications

  • Minimum of 3 years of professional administration experience with at least one or few of the following:

- Kubernetes
- Security
- RDS (e.g. MySQL, Aurora)
- NoSQL (e.g. Redis, Elasticsearch, Cassandra)
- MQ (e.g. Kafka)
- Cloud Computing platforms (e.g. AWS, GCP)

  • Experience with Linux
  • Experience with one or more general purpose programming languages
  • Experience with one or more configuration management tools, such as Terraform, Ansible
  • Working knowledge of git and CI/CD tools
  • Motivated to work with the platform and infrastructure for modern system using micro-service architecture
  • Bachelor's or Master's Degree in Computer Science or related field


Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more
Apply
Skills: kotlin android rx-kotlin rx-java

PayPay is looking for Data Engineer to work on our payment system to deliver the best payment experience for our customers.

  • Work directly with Data Analysts and Platform Engineering Team to create reusable experimental and production data pipelines
  • Understand, tune, and master the processing engines (like Spark, Hive, Cascading, etc) used day-to-day
  • Keep the data whole, safe, and flowing with expertise on high volume data ingest and streaming platforms (like Spark Streaming, Kafka, etc)
  • Sheppard and shape the data by developing efficient structures and schema for the data in storage and transit
  • Explore as many new technology options for data processing, storage, and share them with the team
  • Develop tools and contribute to open source wherever possible

【Tech Stack 】We select the best combination of tech at times.
| Scala, Java, Python
| PlayFramework
| Aurora, DynamoDB, TiDB, Spark, Presto, Hive, Hudi, Airflow, Kafka
| Docker, Kubernetes,AWS, GCP
| GitHub,IntelliJ
| Presto, Athena, Bigquery, Looker,Spark, Hive
| Draw.io
| Slack, Zoom, F2F

Qualifications

  • Experience with building data pipelines ingesting and transforming large number of events per minute and terabytes of data per day.
  • Experience with Spark and Kafka and have experimented or heard about Flink/Druid/Ignite/Presto/Athena and understand when to use one over the other. (Preferably, experience of working with cloud based big data processing platform such as AWS EMR, Google Cloud DataProc)
  • Passionate about producing clean, maintainable and testable code part of real-time data pipeline.
  • Good understanding of microservices work.
  • Ability to connect different services and processes together even if you have not worked with them before and follow the flow of data through various pipelines to debug data issues.
  • Good understanding of issue with ingesting data from applications in multiple data centers across geographies, on-premise and cloud and will find a way to solve them.
  • Proficient in Java/Scala/Python/Spark

Preferred Qualifications

  • Software development experience in one or more general purpose programming languages, preferably Scala.
  • Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients.
  • Experience with AWS services.
  • Contribution to open source projects.
  • Knowledge about the Japanese payment industry

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more
Apply
Skills: security devsecops ctf spring-security

PayPay is looking for a self-driven and motivated AWS SecOps(Platform Security) Engineer to help secure our payment platform. Our Platform/infrastructure is mainly based on AWS and GCP.
* Please note, this position is a part of our Product Security Engineer position, but with a strong focus on AWS security management.

Tasks would include:

  • Security Architecture reviews and re-design of existing AWS and GCP infrastructure
  • Security Architecture reviews and design of new AWS and GCP infrastructure
  • Design and enforce secure infrastructure deployment and deployment flows
  • Perform Infrastructure security testing and patching to keep up with recent security implementation and best practices.
  • Evaluating and Implementing new security technologies such as vulnerability testing, logging, monitoring and incident responses and maintaining them.
  • Working in a fast paced environment where projects and prioritization may change frequently, security will always remain.

【Tech Stack 】We select the best combination of tech at times.

  • AWS
    • IAM, VPC, KMS, EC2, CloudTrail, SecurityHub and GuardDuty
    • RDS, EKS, Elasticsearch, Elasticache and others
  • GCP
    • BigQuery, Storage & Google Analytics
  • TCP Networking, SSL/TLS, Key Management Systems
  • MySQL/AuroraDB, DynamoDB, ELK, Kafka, Redis, TiDB
  • Terraform, Jenkins, Github Actions
  • Snyk, Snort,
  • PlantUML, Cloudcraft
  • Slack, Zoom

Qualifications

  • Minimum of 3 years of demostronstated, production level experience with a few hundred+ servers doing the following:
  • Initial verification, design and implementation of security in AWS using the following AWS Services:
  • IAM, VPC, KMS, EC2, CloudTrail, SecurityHub and GuardDuty
  • Automated security monitoring and incident response in AWS
  • IAC tools in AWS such as Terraform, Ansible
  • Security implementations in Kubernetes and microservice architectures
  • Linux internals and securing Linux based infrastructure
  • Securing data systems such as:
    • RDS (e.g. MySQL, Aurora)
    • NoSQL (e.g. Redis, Elasticsearch, Cassandra)
    • MQ (e.g. Kafka)
  • Experience with git and CI/CD tools
  • Python and shell scripting
  • Motivated to work with the platform and infrastructure for modern system using micro-service architecture

Preferred Qualifications

  • Bachelor's or Master's Degree in Computer Science or related field
  • Experience with other cloud service providers (e.g GCP)
  • CVE Contributions
  • Open Source tools contributions
  • Published papers / blogs / articles

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more
Apply
Skills: java spring-boot kubernetes amazon-web-services apache-kafka

PayPay is looking for an SRE/Platform Engineer to work on our payment system to deliver the best payment experience for our Japanese customers.
The mission of our SRE team ( we call "Platform team" at PayPay) is to build and architect stable infrastructure so that we can provide secure service to all the customers with our highest speed.
Our number of transactions as well as users have been increasing day by day since our first product release. The infrastructure/system has to be capable of scale-out, and we need to always consider room for the growth.Since Paypay's system is a highly mission-critical, handling payment solutions - our top priority for the system is to be able to provide stable service.
From risk-hedge perspective, it is important to assure our infra is maintained properly with high level of usability so that even if our instances get down, we can continue our service.
Our current phase is not yet "maintenance" phase - as a SRE engineer, you will be required to architect the whole system in a scalable manner with employing a variety of technologies.

  • Architect, maintain and tune our PayPay infra system with the following tech domains:
    • AWS
    • Database
    • Kafka
    • Kubernates
    • CI/CD

※ We rotate roles and responsibilities among those tech stacks, and you will be able to experience a wide range of technologies.

【Tech Stack 】We select the best combination of tech at times.
| Python, groovy, HCL(, yaml)
| MySQL/AuroraDB, TiDB, DynamoDB, ELK, Kafka, Redis, nginx, envoy, openresty
| Docker, Kubernetes, ArgoCD, Argo rollouts, Prometheus, Artifactory, AWS, GCP
| Github, Github actions, Jenkins, terraform, ansible, about microservices, about 12 factors app, grpc, gitops
| NLQL, PromQL, Kibana, Bigquery
| Slack, Zoom, Confluence, JIRA, F2F

Qualifications

  • Minimum of 3 years of professional administration experience with at least one or few of the following :
    • Kubernetes
    • Security
    • RDS (e.g. MySQL, Aurora)
    • NoSQL (e.g. Redis, Elasticsearch, Cassandra)
    • MQ (e.g. Kafka)
    • Cloud Computing platforms (e.g. AWS, GCP)
    • CI/CD
    • Automated monitoring
    • Performance tuning
    • Experience with Linux
    • Experience with one or more general purpose programming languages
    • Experience with one or more configuration management tools, such as Terraform, Ansible
    • Working knowledge of git and CI/CD tools
    • Motivated to work with the platform and infrastructure for modern system using micro-service architecture
    • Bachelor's or Master's Degree in Computer Science or related field

Preferred Qualifications

  • Experience with Cloud Computing platforms (e.g. AWS, GCP)
  • Contribution to open source projects

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more
Apply
Skills: security

PayPay is looking for a Product Security Engineer to work on our payment system to deliver the best payment experience for our customers.

  • Security architecture reviews of existing and upcoming projects.
  • Acting as both a builder and a breaker by creating tools to help engineers write more secure code and performing penetration tests of public and internal applications.
  • Working in a fast paced environment where projects and prioritization may change frequently, security will always remain.
  • Participate in setting up a Bug Bounty program, writing proof of concepts, assessing risk, communication with external reporters.
  • Implementing and maintaining technologies for security, such as vulnerability testing, logging, monitoring and incident responses.

【Tech Stack 】We select the best combination of tech at times.
| Python, Golang
| MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis, TiDB
| AWS, GCP, TCP Networking, SSL/TLS, Key Management Systems, Certificate Authorities
|Snyk, SonarQube, Dome9
|PlantUML, miro.com
|Slack, Zoom

Qualifications

  • 3+ years of experience as a Security Engineer.
  • Experience with Linux internals and hardening
  • Must have experience in programming languages and frameworks such as Python and Bash
  • Comfortable with identifying and advising on remediation for Application Security vulnerabilities
  • Up to date with the latest developments in security
  • Development of Proof of Concept exploits

Preferred Qualifications

  • CVE Contributions
  • Open Source tools contributions
  • Published papers / blogs / articles

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more
Apply
Skills: javascript reactjs vue.js typescript node.js

We are looking for a talented full-stack capable frontend developer to join PayPay!
Work closely with the design and backend team to build and develop web applications for our forward thinking products.

  • Design large scale systems with high complexity to support our high throughput applications.
  • Understand how to leverage infrastructure for solving such large scale problems.
  • Develop tools and contribute to open source wherever possible.
  • Adopt problem solving as a way of life – always go to root cause! Support the code you write in

【Tech Stack】We select the best combination of tech at times.


｜TypeScript, JavaScript, HTML/CSS
｜Vue.js, Angular, React, NestJS, Express.js, single-spa
｜Docker, Kubernetes, ArgoCD, AWS
｜GitHub, npm/yarn, Jenkins, Webpack, Jest, i18n, Storybook
｜Sentry, Kibana, Google Analytics, Firebase, NewRelic
｜Figma, PlantUML, draw.io
｜Slack, Zoom, Confluence

Qualifications

  • At least 3 years of JavaScript development experience for web applications
  • Experience in SPA development with Angular or React or Vuejs and Webpack
  • Experience in typescript
  • Experience in unit/e2e testing implementation in JavaScript
  • In-depth understanding in frontend performance optimization
  • Ability to design frontend architecture
  • Experience with server side programming languages, include but not limited to Java, Python and NodeJs

Preferred Qualifications

  • Experience with iOS/Android native application development
  • Knowledge in development process and DevOps
  • Contribution to open source projects
  • Interest and ability to learn other coding languages as needed

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more

Time zone: (GMT+09:00) Tokyo

Apply
Skills: java spring-boot kubernetes amazon-web-services apache-kafka

PayPay is looking for Back-end engineer to work on our payment system to deliver the best payment experience for our customers.

• Design large scale systems with high complexity to support our high throughput applications.
• Understand how to leverage infrastructure for solving such large scale problems.
• Develop tools and contribute to open source wherever possible.
• Adopt problem solving as a way of life – always go to root cause! Support the code you write in production.

【Tech Stack 】We select the best combination of tech at times.
| Java, Kotlin, Scala
| Spring Boot, JUnit, Reselience4j, Feign
| MySQL/AuoraDB, DynamoDB, ELK, Kafka, Redis, TiDB
| Docker, Kubernetes, ArgoCD, AWS, GCP
| GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins, snyk,
| Bigquery, Kibana, Spark
| PlantUML, draw.io, miro.com
| Slack, Zoom

Qualifications

  • Experience in using Java under professional environment, or if you are non-Java user, excellent skills in generalized programming languages, such as Scala, Python and Go.
  • Interest and ability to learn other coding languages as needed.
  • Experience with NoSQL databases and distributed cache.
  • Strong fundamentals in data structures, algorithms and object oriented programming.
  • In-depth understanding of concurrency and distributed computing.
  • Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development.

Preferred Qualifications

  • Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients.
  • Experience with AWS services.
  • Experience in working for system development in finance, payment, or similar industries
  • Experience in system design, development of web system which handles massive amount of transactions or requires scalability
  • Language ability in Japanese and English is a plus　(We have a professional translator but it is nice to have language skills)
  • Experience in microservices

Hiring Process

  1. Application Review (1-2 weeks)
    • HR and Team will review your resume
  2. Code challenge (online)
    • Coding Test will be sent via Hirevue system
    • It takes 3-4 hours (max) to complete
    • If you need to extend the due date, please contact HR
  3. Interviews (online)
    • 2-3 rounds of online interview(s)
    • Live Coding could be requested
    • Please make sure the reason you applied to PayPay (Why Fintech? Why Startup? Why PayPay?)
  4. Job Offer

*Relocation to Japan

  • Due to the current COVID-19 situation, we cannot sponsor working VISA to Japan. However as a temporary solution, you may be able to start working with us as an individual contractor. Please discuss with your recruiter about this opportunity.
  • Once the COVID-19's over, we will ask all employees in overseas to relocate to Japan. We will fully support your relocation.

Other Information

[Corporate Blog] https://about.paypay.ne.jp/corporate-blog

[Product Blog] https://blog.paypay.ne.jp

[LinkedIn] https://www.linkedin.com/company/paypay-corp



Job Benefits:

  • Work from anywhere at anytime
  • Free Access to WeWork Office in Japan
  • Pay for Performance
  • Relocation Package (Moving Cost, Travel Tickets, Monthly Apartment)
  • Japanese/English boot camp
  • Health Insurance, Employee Benefits at PayPay called "YG Kenpo"
  • Annual Leaves, Congratulatory Leaves & more

Time zone: (GMT+09:00) Tokyo

Apply