Software Engineer (Anti-Fraud Engineer)

PayPay is a rapidly growing fintech company that has achieved remarkable success in Japan, amassing 68 million users in just 6 years since its 2018 launch. As an Anti-Fraud Engineer, you'll play a crucial role in the company's security infrastructure, developing and maintaining risk assessment systems that protect users while ensuring a seamless experience.

The position involves working with cutting-edge technologies including Scala, Python, and various AWS/GCP services to build sophisticated fraud detection systems. You'll be responsible for developing APIs that assess and block suspicious transactions, implement eKYC anti-social force determination systems, and create detection mechanisms for account takeover attempts.

The role offers a unique opportunity to work in a diverse environment with team members from over 50 countries. PayPay embraces a "Day 1" mentality and encourages innovative thinking to create unprecedented solutions in the fintech space. The company provides a flexible work environment with their Work From Anywhere at Anytime (WFA) policy, allowing complete remote work options.

The ideal candidate should have at least 2 years of application development experience and strong communication skills in Japanese. Experience in fraud prevention within internet or financial services is a plus. You'll be working in a fast-paced environment where you'll need to balance security requirements with user experience, while continuously improving and updating systems to counter emerging threats.

This position offers comprehensive benefits including flexible working hours, generous paid leave, performance-based compensation, and various insurance and pension benefits. It's an excellent opportunity for someone passionate about security and fraud prevention to make a significant impact in one of Japan's leading fintech companies.