AppSec Engineer

PayPay Card Corporation, established in 2021, is revolutionizing FinTech services in Japan through its integration with the PayPay payment platform, serving over 66 million users. They are seeking an Application Security (AppSec) Engineer to join their Product Security team. This role combines software engineering with security expertise, focusing on maintaining and enhancing the security of PayPay Card's services.

The position requires a security professional with strong development knowledge who can work within a DevOps methodology. The role involves collaborating with development teams to implement security best practices, conducting security assessments, and driving automation in security processes. The ideal candidate will have 3+ years of product security experience and be proficient in modern technologies including JavaScript/TypeScript, Kotlin, Scala, or Java.

Working at PayPay Card offers a flexible work environment with remote options and a Tokyo office base. The company provides comprehensive benefits including 401K, social insurance, and annual leave starting at 16 days. The role offers opportunities to work on securing financial technology systems at scale, making a direct impact on Japan's cashless payment infrastructure.

The position is perfect for security professionals who want to combine their technical expertise with practical application in a fast-growing FinTech environment. You'll be part of a team driving security innovation while working with modern technologies and cloud-native applications. The role offers both technical challenges and the opportunity to mentor others in security best practices.