About PayPay

PayPay is a FinTech company that has grown to over 65M (as of August 2024) 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 Senior Backend engineer to work on our P2P and Chat systems to deliver the best experience for our customers.

 

Responsibilities: 

  • 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
  • Collaborate with front-end developers and external team members to integrate user-facing elements with server-side logic
  • Participate in code reviews to maintain high quality code standards and ensure security/data protection measures
  • Support team members by providing technical guidance and design directions
  • Constantly identify performance improvements and optimize the application for maximum speed and scalability
  • Collaborate with product managers ands other stakeholders to gather requirements and deliver features on time

 

Tech Stack:

Our technology stack may vary based on project needs. Currently, we utilize:

  • Programming Languages: Java, Kotlin, Scala
  • Frameworks and Tools: Spring Boot, JUnit, Resilience4j, Feign
  • Databases: MySQL/AuroraDB, DynamoDB, ELK, Kafka, Redis, TiDB
  • Deployment and Orchestration: Docker, Kubernetes, ArgoCD, AWS, GCP
  • Development Tools: GitHub, IntelliJ, Gradle, Maven, npm/yarn, Flyway, Jenkins
  • Data Analytics: BigQuery, Kibana, Spark
  • Diagramming Tools: PlantUML, draw.io, miro.com
  • Communication: Slack, Zoom

 

Qualifications:

  • Excellent skills in Java, or any other generalized programming language, such as Scala, Python, or Go
  • Interest and ability to learn other coding languages as needed
  • Experience with SQL 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
  • Experience implementing platform components such as RESTful APIs, Pub/Sub Systems, and Database Clients
  • Experience with microservices
  • Experience designing high traffic systems
  • Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
  • Business of English or Japanese　

 

Preferred Qualifications:

  • Experience in working for system development in finance, payment, or similar industries
  • Language ability in Japanese and English is a plus (We have a professional translator but it is nice to have language skills)
  • Experience with AWS services

 

PayPay 5 senses

 

Working Conditions 

Employment Status

  • Full Time

Office Location

Work Hours

  • Super Flex Time (No Core Time)
  • In principle, 10:00am-6:45pm (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'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
  • Special Incentive once a year *Based on company performance and individual contribution and evaluation
  • Late overtime allowance, Work from anywhere allowance (JPY100,000)

Benefits

  • Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
  • 401K
  • Translation/Interpretation support
  • VISA sponsor + Relocation support

Other Information:

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