PayPay Card Corporation, established in 2021, is revolutionizing the credit card industry in Japan through its integration with the PayPay payment platform. As a Backend Engineer, you'll be part of a team building and rebuilding scalable services that power the next generation of payment solutions. The role involves working with modern technologies including Spring Boot, Java, and AWS infrastructure to create high-performance, maintainable systems. You'll be contributing to both improving the credit card experience and re-architecting systems for optimal performance. 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 financial technology 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 in a fast-paced environment.