PayPay Card Corporation, established in 2021, is revolutionizing the credit card industry in Japan by integrating with the PayPay payment platform that serves over 66 million users. As a Backend Engineer, you'll be instrumental in building and rebuilding scalable services that power the next generation of payment solutions. The role focuses on two key areas: enhancing the credit card experience through new functionalities and re-architecting systems for optimal performance. Working with Spring Boot, Java, and AWS infrastructure, you'll collaborate with cross-functional teams to design and implement large-scale systems. The position offers a flexible work environment with remote options, comprehensive benefits, and the opportunity to work in a multicultural setting. The ideal candidate should have strong experience in distributed systems, microservices architecture, and a passion for creating robust, maintainable solutions. This is an excellent opportunity for engineers who want to make a significant impact in the FinTech space while working with cutting-edge technologies.