This is a contract Application Engineer role with one of Japan's leading e-commerce companies, supporting large-scale systems that process millions of daily transactions nationwide. You will work on high-traffic internal business systems, collaborating with cross-functional teams in a fast-paced, global engineering environment. This role is open only to candidates currently residing in Japan.
Key Responsibilities
- Design and develop scalable internal business systems using Java and Spring Boot
- Maintain and optimize system performance through monitoring, incident response, and change management
- Collaborate with product managers and technical teams to translate business requirements into technical designs
- Troubleshoot and resolve production issues to ensure high availability of core e-commerce services
- Improve development processes by implementing automated testing and CI/CD pipelines
Required Skills and Qualifications
Experience:
- 5+ years of enterprise-level software development experience
- 3+ years of hands-on Java development using the Spring Framework
- Experience in system operations, including incident and change management
- Solid understanding of software engineering best practices such as version control and code reviews
Soft Skills:
- Strong problem-solving ability in production environments
- Ability to collaborate effectively with cross-functional teams
- Structured and proactive communication style
Language Requirements:
- Japanese: Business level
- English: Conversational level
Preferred Skills & Qualifications
- Experience with frontend frameworks such as React, Vue, or Angular
- Experience using Docker for containerization and microservices
- Background in large-scale, high-concurrency e-commerce or fintech systems
About the Company
Our client is a dominant force in Japan's digital economy, operating one of the country's largest e-commerce platforms. The company offers a global, performance-driven engineering culture focused on system reliability and technical excellence, while maintaining the stability of a well-established Japanese enterprise.
Why You'll Love Working Here
- Work on large-scale systems serving millions of users across Japan
- International engineering environment with English used daily
- Exposure to modern cloud architectures and high-traffic platforms
- Premium office environment in central Tokyo
- Attractive on-site benefits including meals, fitness, and wellness facilities
Don't Miss Out - Apply Now!
