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

We are looking for web frontend engineers to work on the PayPay Card mini-application, and other web frontend, with a laser focus on scalability and maintainability. 

PayPay Card aims at revolutionizing the credit card industry, making payment easier than ever, from two different angles:

• Bring the credit card experience to the next level: we have many functionalities in the pipe to improve our product, not to mention the integration into the PayPay ecosystem as PayPay Card is part of the PayPay Group.
• (Re-)architect our systems landscape: we want to reassess our frontend systems relevancy and update the architecture according to our product & technical roadmap. It is bundled with difficult design challenges to solve: we simply want to get it right.

As a fast-paced company leading the payments industry, we need our engineers to be versatile and enthusiastic to take on new challenges in order to stay at the forefront. Indeed, we strive for continuous improvement within our systems as well as outside our systems. Additionally, we value communication, to smoothly cooperate with other teams, and inclusivity, to efficiently navigate in a multicultural environment.

Responsibilities

• Work with Product Managers, Designers, and various tech teams to implement features.
• Improve the frontend architecture based on product and technical roadmap.
• Work to bring product and organization vision to life.
• Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
• Improve the product’s long term technical quality.
• Triage, debug, and resolve product issues.

Tech Stack

We currently work with

• Frontend web application: 
• Main implementation is in Nuxt 3 (Vue.js 3, TypeScript)
• REST API with OpenAPI codegen
• TanStack Query and Zod are used for API handling and data validation
• Storybook is used for component visualization and UI testing
• Sentry and Google Analytics are used for error and product reporting
• CI/CD pipeline, including testing and deployment tasks, relies on GitHub Actions
• Deployment is static (AWS S3, CloudFront and Route53)
• Coding environment: GitHub, GitHub Copilot, Visual Studio Code
• Documentation & Project management: Confluence, Miro, JIRA
• Communication: Slack, Zoom, Office 365

Please note that PayPay Card is challenging its current architecture, potentially introducing new technologies and/or deprecating existing ones.

Required Qualifications

• At least 7 years of industry experience developing secure web frontend applications in JavaScript and/or TypeScript.
• At least 2 years of industry experience with VueJS (preferred) or React.
• Experience with designing frontend architecture.
• Experience with leading frontend project development.
• Software engineering best practices and computer science knowledge.
• Experience with building frontend hosting infrastructure and deployment pipelines.
• English business proficiency

Preferred Qualifications

• Experience with launching a frontend product.
• Experience with frontend performance monitoring and optimization.
• Experience with designing and implementing server side RESTful APIs.
• Experience in Domain Driven Development
• Experience in a multicultural environment.
• Stakeholder management is welcomed.
• Japanese conversational proficiency is a plus.

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

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

We are looking for senior backend engineers to build, or rebuild, rock solid services with a laser focus on scalability and maintainability. 

PayPay Card aims at revolutionizing the credit card industry, making payment easier than ever, from two different angles:

• Bring the credit card experience to the next level: we have many functionalities in the pipe to improve our product, not to mention the integration into the PayPay ecosystem as PayPay Card is part of the PayPay Group.
• (Re-)architect our systems landscape: we want to reassess and fix the behind-the-scenes to power a top-notch user experience. It is bundled with difficult design challenges to solve: we simply want to get it right.

As a fast-paced company leading the payments industry, we need our engineers to be versatile and enthusiastic to take on new challenges in order to stay at the forefront. Indeed, we strive for continuous improvement within our systems as well as outside our systems. Additionally, we value communication, to smoothly cooperate with other teams, and inclusivity, to efficiently navigate in a multicultural environment.

Main Responsibilities

• Design, support the implementation and deliver large scale, and complex, systems
• Manage teams stakeholders such as product managers or frontend engineers but also other team leads or non-tech stakeholders.
• Leverage the infrastructure to solve such large scale problems.
• Acts as a gatekeeper to the team quality standard
• Triage, debug and resolve product issues or other incoming inquiries
• Mentor other team members and saveguard the team quality standards

Tech Stack

We currently work with

• Back-end services: 
• Main implementations are in Spring Boot, with a mix of Java 11/Spring Boot 2 and Java 17/Spring Boot 3. 
• Some legacy systems are written in Java EE.
• Testing is done with JUnit and Mockito
• Deployment relies on AWS ECS 
• CI/CD is handled by AWS CodePipeline 
• Infrastructure 
• All our services run in AWS
• Infrastructure is managed by AWS CloudFormation
• AWS CloudWatch is used for observability
• Coding environment: GitHub, IntelliJ, Gradle
• Documentation & Project management: Confluence, Miro, JIRA
• Communication: Slack, Zoom, Office 365

Please note that PayPay Card is challenging its current architecture, potentially introducing new technologies and/or deprecating existing ones.

Required Qualifications

• Experience in any OOP based language e.g Kotlin, Java, C#, Scala etc.
• Experience with RDBMS and NoSQL databases, along with 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.
• English business proficiency

Preferred Qualifications

• Experience with Java/Spring Boot framework
• Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients. 
• Experience in system design for high traffic application with scalability in mind 
• Experience with microservices & event-driven architecture  
• Experience gRPC communication design and implementation
• Experience in a multicultural environment
• Japanese conversational proficiency is a plus

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

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)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

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

We are looking for web frontend engineers to work on the PayPay Card mini-application, and other web frontend, with a laser focus on scalability and maintainability. 

PayPay Card aims at revolutionizing the credit card industry, making payment easier than ever, from two different angles:

• Bring the credit card experience to the next level: we have many functionalities in the pipe to improve our product, not to mention the integration into the PayPay ecosystem as PayPay Card is part of the PayPay Group.
• (Re-)architect our systems landscape: we want to reassess our frontend systems relevancy and update the architecture according to our product & technical roadmap. It is bundled with difficult design challenges to solve: we simply want to get it right.

As a fast-paced company leading the payments industry, we need our engineers to be versatile and enthusiastic to take on new challenges in order to stay at the forefront. Indeed, we strive for continuous improvement within our systems as well as outside our systems. Additionally, we value communication, to smoothly cooperate with other teams, and inclusivity, to efficiently navigate in a multicultural environment.

Responsibilities

• Work with Product Managers, Designers and various tech teams to implement features.
• Contribute to the team by sharing knowledge, participating in code reviews, and providing feedback to uphold and ensure best practices.
• Support architecture improvements
• Triage, debug, and resolve product issues.

Tech Stack

We currently work with

• Frontend web application: 
• Main implementation is in Nuxt 3 (Vue.js 3, TypeScript)
• REST API with OpenAPI codegen
• TanStack Query and Zod are used for API handling and data validation
• Storybook is used for component visualization and UI testing
• Sentry and Google Analytics are used for error and product reporting
• CI/CD pipeline, including testing and deployment tasks, relies on GitHub Actions
• Deployment is static (AWS S3, CloudFront and Route53)
• Coding environment: GitHub, GitHub Copilot, Visual Studio Code
• Documentation & Project management: Confluence, Miro, JIRA
• Communication: Slack, Zoom, Office 365

Please note that PayPay Card is challenging its current architecture, potentially introducing new technologies and/or deprecating existing ones.

Required Qualifications

• At least 3 years of industry experience developing secure web frontend applications in JavaScript and/or TypeScript.
• At least 1 year of industry experience with VueJS (preferred), or React.
• Software engineering best practices and computer science knowledge.
• English business proficiency

Preferred Qualifications

• Experience with frontend performance monitoring and optimization.
• Experience with designing server side RESTful APIs.
• Experience with web hosting infrastructure such as CDNs.
• Experience in Domain Driven Development
• Experience in a multicultural environment
• Japanese conversational proficiency is a plus

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

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, member of the PayPay Group, embraced the challenge of internationalizing its engineering divisions. Additionally, we are revisiting our technical architecture and strive to make it right, improving scalability, maintainability and performances. To make it happen, we also go through rethinking our organization and processes as well. For this reason, we are looking for Engineering Managers (EM) with Japanese conversational abilities that not only make the team deliver timely with quality, but also can be a language and cultural bridge between the team and the different stakeholders.

The engineers of your team will mainly be English speakers but your stakeholders include Japanese speakers. Although we are introducing more and more English in our discussions, you will be expected to have frequent communication in Japanese. 

This is a rare opportunity to take part in significant organizational changes as well as unprecedented technical challenges. While the company business is quite established, the engineering challenges we are tackling are on par with the hypergrowth style of challenges. You will be able to, and encouraged to, bring your ideas to sharpen our vision, may it be related to technical, organization or human matters.

Main Responsibilities

You will be in charge of a Web Backend engineering team. Your main responsibility is to ensure that the team can operate overcoming communication challenges as well as a constantly changing environment. Your future responsibilities include, but are not limited to:

Execution: support the team to ensure timely and high-quality deliveries

• Assign team members to appropriate projects, depending on the engineer skill sets and project requirements
• Backup team members to ensure they can progress in their task such as fetching missing information, defusing conflict, handling emergencies, etc
• Coordinate, and if necessary negotiate or arbitrate, with different stakeholders, potentially in Japanese, to ensure that both product and architecture decisions are sustainable and scalable.

Operation: create levers to allow the team to continuously improve from delivery, reliability, and developer experience standpoints

• Identify and address pain points which hinders development, deliveries and developer experience, from a process, tooling and system perspective
• Enhance the development process so that it suits the team and sustains a steady development

Growth:  bring the team to the next level to reach a healthy and motivating environment

• Enable people growth with practices such as efficient 1:1
• Support the end-to-end employee lifecycle: from on-boarding to off-boarding, through performance evaluation
• Contribute to the technical roadmap of the team, ensuring that technical debt is tackled

Tech Stack

We currently work with

Applications:

• Backend systems: 
• New systems are implemented in Kotlin + Spring Boot for new systems
• Existing systems are a mix of Java + Spring Boot or Java EE
• Service to service communications are using gRPC and Kafka
• Frontend: Vue.js 3, Nuxt.js, TypeScript

Infrastructure:

• AWS-centric, Terraform-managed
• Grafana & Prometheus for observability
• OpenSearch for logging

Other tools:

• Slack / GitHub / JIRA / Confluence / Google Workspace

Required Qualifications

To provide a portrait of the candidates we are looking, we would like to establish the following skills as our baseline:

Technical skills: contributing to the implementation

• Has 2 years, or more, of experience of leading web application engineer teams
• Has past experience as software engineer, backend or frontend
• Has proven records of significant contributions to scalable architectures and system designs
• Has solid tasks definition and breakdown skills

Soft skills: interacting smoothly with stakeholders

• Has good stakeholder management, coordination and conflict handling skills
• Speaks and writes business level English
• Speaks and writes conversational Japanese. It is essential that managers can discuss with non-English speakers.

Leadership: taking the team to the next level

• Focuses on people growth success
• Is able to efficiently follow-up the progress, and blockers, for all on-going tasks
• Has a genuine care for continuous improvement and developer experience
• Has interviewing experience

Preferred Qualifications

Additionally, we gladly welcome the following skills as bonus points, which hopefully draw the canvas of the engineering culture we want to create:

Technical skills: contributing to the implementation

• Has good awareness regarding security matters
• Has domain driven development experience
• Has credit card industry implementation experience, specifically PCI-DSS compliant implementation

Soft skills: interacting smoothly with stakeholders

• Is able to drive the team though a quickly changing environment
• Is able to navigate meeting dynamics, from letting the attendees speaking up to steering back the conversation

Leadership: taking the team to the next level

• Is inclined to target engineering excellency
• Is versed in observability
• Is an example of good work ethics, including "Diversity & Inclusion"

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K

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

We are looking for backend engineers to build, or rebuild, rock solid services with a laser focus on scalability and maintainability. 

PayPay Card aims at revolutionizing the credit card industry, making payment easier than ever, from two different angles:

• Bring the credit card experience to the next level: we have many functionalities in the pipe to improve our product, not to mention the integration into the PayPay ecosystem as PayPay Card is part of the PayPay Group.
• (Re-)architect our systems landscape: we want to reassess and fix the behind-the-scenes to power a top-notch user experience. It is bundled with difficult design challenges to solve: we simply want to get it right.

As a fast-paced company leading the payments industry, we need our engineers to be versatile and enthusiastic to take on new challenges in order to stay at the forefront. Indeed, we strive for continuous improvement within our systems as well as outside our systems. Additionally, we value communication, to smoothly cooperate with other teams, and inclusivity, to efficiently navigate in a multicultural environment.

Main Responsibilities

• Support the design, implementation and delivery of large scale, and complex, systems, while collaborating with product managers, frontend engineers or other team members.
• Understand how to leverage infrastructure to solve large scale problems.
• Contribute to the team by sharing knowledge, participating in code reviews and providing feedback to uphold and ensure best practices.
• Triage, debug and resolve product issues or other incoming troubles inquiries
• Adopt problem solving as a way of life – always go to the root cause! Support the code you write in production.

Tech Stack

We currently work with

• Back-end services: 
• Main implementations are in Spring Boot, with a mix of Java 11/Spring Boot 2 and Java 17/Spring Boot 3. 
• Some legacy systems are written in Java EE.
• Testing is done with JUnit and Mockito
• Deployment relies on AWS ECS 
• CI/CD is handled by AWS CodePipeline 
• Infrastructure 
• All our services run in AWS
• Infrastructure is managed by AWS CloudFormation
• AWS CloudWatch is used for observability
• Coding environment: GitHub, IntelliJ, Gradle
• Documentation & Project management: Confluence, Miro, JIRA
• Communication: Slack, Zoom, Office 365

Please note that PayPay Card is challenging its current architecture, potentially introducing new technologies and/or deprecating existing ones.

Required Qualifications

• Skills in OOP language such as C# or other JVM language, such as Scala are welcome
• Experience with RDBMS, NoSQL databases along with distributed cache.
• Strong fundamentals in data structures, algorithms and object oriented programming.
• In-depth understanding of concurrency and distributed computing.
• Experience implementing platform components such as RESTful APIs, Pub/Sub Systems, and Database Clients.
• Experience with microservices and event-driven architectures.
• Experience designing high traffic systems. 
• Degree in Computer Engineering or Computer Science or 3+ years equivalent experience in SaaS platform development.
• English business proficiency

Preferred Qualifications

• Domain-driven development knowledge
• Java/Spring Boot experience
• gRPC and Kafka development experience
• Experience in a multicultural environment
• Stakeholder management is welcomed
• Japanese conversational proficiency is a plus

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)
  ※There are no fixed rules regarding office attendance in Technology group; it depends on each individual's discretion.

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

• Annual salary paid in 12 installments (monthly)
• Reviewed once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses

Benefits

• Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
• 401K