Senior Backend Engineer

PayPay, a leading FinTech company in Japan with over 65M users, is seeking a Senior Backend Engineer to join their dynamic team. This role offers an exciting opportunity to work on large-scale payment systems that serve millions of users. The position requires expertise in Java or similar languages, with a focus on designing and implementing high-throughput applications.

The ideal candidate will have strong experience in distributed systems, microservices architecture, and both SQL and NoSQL databases. You'll be working with a modern tech stack including Java, Kotlin, Scala, and various AWS services, while utilizing tools like Kubernetes, Kafka, and Redis for building robust payment solutions.

What makes this role particularly attractive is PayPay's commitment to work-life balance, offering super flexible working hours and a full remote work option from anywhere in Japan. The company provides comprehensive benefits including 401k, visa sponsorship, and relocation support. The diverse team, representing over 50 different countries, creates an inclusive and multicultural work environment.

The role offers significant technical challenges in building and maintaining high-traffic payment systems, making it perfect for engineers who enjoy solving complex problems at scale. With PayPay's rapid growth and vision for unlimited possibilities, this position presents an excellent opportunity for career growth and impact in the FinTech sector.