Senior Backend Engineer

PayPay Card Corporation, established in 2021, is revolutionizing the credit card industry by integrating with the PayPay payment platform that serves over 66 million users. As a Senior Backend Engineer, you'll be instrumental in building and rebuilding scalable services that enhance the credit card experience. The role focuses on two main angles: elevating the credit card experience through new functionalities and re-architecting systems for optimal performance.

The position requires expertise in Java/Spring Boot development, with services running on AWS infrastructure. You'll work with modern technologies including Spring Boot 2/3, Java 11/17, and various AWS services like ECS, CloudFormation, and CloudWatch. The team emphasizes continuous improvement, quality standards, and effective communication in a multicultural environment.

Key responsibilities include designing large-scale systems, managing stakeholder relationships, debugging complex issues, and mentoring team members. The ideal candidate should have strong OOP experience, database knowledge, and understanding of distributed computing. The role offers competitive benefits including flexible work hours, comprehensive insurance, and 401K.

Working at PayPay Card means joining a fast-paced FinTech leader that values technical excellence and innovation. The company provides a supportive environment with opportunities for professional growth, competitive compensation, and work-life balance through flexible scheduling. This is an excellent opportunity for experienced engineers passionate about creating impactful financial technology solutions in Japan's evolving payment landscape.