Software Engineer (Anti-Fraud Engineer)

PayPay is a rapidly growing fintech company that has revolutionized cashless payments in Japan, reaching an impressive 68 million users within just 6 years of its launch in 2018. The company is seeking a Software Engineer specializing in anti-fraud measures to join their security team. This role sits at the intersection of financial technology and security, focusing on developing and maintaining fraud prevention systems that protect users while ensuring a seamless experience.

The position involves working with cutting-edge technology stacks including AWS, GCP, Scala, and Python, while utilizing specialized tools like Kafka and Cassandra through their proprietary SaaS product, Maquette. As an Anti-Fraud Engineer, you'll be responsible for developing APIs that assess and mitigate risks in real-time, implementing transaction blocking systems, and creating sophisticated fraud detection mechanisms.

The ideal candidate will bring at least 2 years of application development experience and strong communication skills, as the role requires collaboration with multiple stakeholders across the organization. The position offers the flexibility of remote work through their Work From Anywhere policy, competitive compensation including performance bonuses, and comprehensive benefits including healthcare and retirement plans.

This is an excellent opportunity for a security-minded software engineer to make a significant impact in protecting millions of users while working with modern technologies in a fast-paced, multicultural environment. The role combines technical expertise with business impact, as you'll be directly contributing to maintaining the integrity and security of one of Japan's largest payment platforms.