ＰａｙＰａｙカード株式会社
About PayPay Card
PayPay is a FinTech company that in the five years since its launch in 2018, has surpassed 61 million users (as of January 2024) and is rapidly expanding its business scale as a payment platform used by approximately one in two smartphone users in Japan.
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. We are looking for professionals who are passionate about refining our products at an overwhelming speed that no other company can match, and promoting the spread of cashless payments in Japan and the financial life platform that uses them. We are looking for people who are passionate about this.
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.