Backend Engineer

PayPay Card Corporation Chiyoda City, Tokyo
  • πŸ’΄ No salary range given
  • 🏑 Fully remote
  • πŸ§ͺ Minimum years of experience unspecified
  • πŸ’¬ No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About PayPay Card Corporation

PayPay Card Corporation Chiyoda City, Tokyo

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.

Key benefits

  • Part of PayPay Group
  • Internationalizing engineering division
  • Building an English product team from scratch

About the position

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


  • 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.


  • Experience in using Spring Boot in a professional environment.
  • 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.
  • Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • 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 in microservices & event-driven architecture
  • Experience in a multicultural environment
  • Japanese conversational proficiency is a plus

Hiring Process

  1. 1

    Application Review

    Please submit an English CV when applying.

  2. 2

    Coding Test

  3. 3

    3-4 Interviews

    Includes both technical and behavioural interviews.

  4. 4

    Offer Meeting


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