Full-Stack Developer Tokyo - Scalable Fraud Tech Solutions

Join one of Japan's largest global internet platforms as a Full-Stack Developer focused on building secure, scalable fraud prevention systems. You'll work on cutting-edge solutions that protect millions of users in real time, contributing to the integrity of global membership services. This role is ideal for engineers passionate about security, performance, and innovation in high-scale environments.

Key Responsibilities

• Develop and maintain high-performance, secure web applications
• Collaborate with cross-functional teams to deliver user-focused features
• Monitor, debug, and continuously improve system performance
• Maintain clean, scalable code and contribute to technical documentation
• Work closely with designers and product managers to deliver intuitive UI/UX

Required Skills and Qualifications

Experience:

• 4+ years of professional software development experience
• Bachelor's degree in Computer Science or related field (or equivalent experience)

Technical Skills:

• Expertise in modern frontend frameworks such as React, Redux, Vue, or Angular
• Proficiency in one or more major backend languages: Go, Java, or C#
• Experience working with cloud platforms like AWS, GCP, or Azure
• Familiarity with CI/CD pipelines and web build automation
• Knowledge of NoSQL databases such as Couchbase, Redis, or Cassandra

Soft Skills:

• Strong sense of ownership and commitment to code quality
• Effective communication and problem-solving skills in a collaborative team

Language Requirements

• Japanese: Conversational
• English: Fluent

Preferred Skills & Qualifications

• Experience working on real-time fraud prevention or security systems
• Comfort working in large-scale, multi-service architecture environments
• Previous involvement in global, multilingual engineering teams

About the Company

Our client is a major player in Japan's global e-commerce and digital service industry, serving millions of users. Their Fraud Prevention team builds highly scalable, secure infrastructure to stay ahead of evolving online threats. The company culture is international, open, and forward-thinking, encouraging innovation and professional growth.

Why You'll Love Working Here

• Work with modern technologies in a high-impact domain
• Competitive hourly rate and large-scale project involvement
• Be part of a global engineering team in a multicultural environment
• Convenient Tokyo location with company cafeteria and amenities
• Opportunities for long-term growth and innovation

Don't Miss Out - Apply Now!