Join a leading global technology company as a Full-Stack Engineer working on large-scale E-commerce logistics systems used by tens of thousands of businesses across Japan. In this role, you will help modernize legacy systems into scalable microservices architectures, building both backend and frontend solutions that support high-volume logistics operations.
You will collaborate with engineers, product managers, and business stakeholders to deliver reliable systems that power logistics workflows such as shipping operations, cancellations, and carrier integrations.
Key Responsibilities
- Design and develop RESTful APIs using ASP.NET Core (C#) or Spring Boot (Java) alongside Angular frontend applications.
- Analyze legacy systems and lead system modernization initiatives toward microservices and cloud-native architectures.
- Optimize database performance and manage MySQL tuning and batch processing for logistics workflows.
- Drive the full software development lifecycle, from requirements gathering to deployment and monitoring.
- Implement CI/CD pipelines and automated deployment processes to improve system reliability.
- Collaborate with cross-functional teams and translate technical concepts into clear insights for product managers and business stakeholders.
Required Skills and Qualifications
Experience:
- 3+ years of professional software development experience within a team environment.
- Strong experience with Java/Spring Boot and MySQL/Kafka or C# .NET with Angular and TypeScript.
- Hands-on experience with container technologies such as Docker and Kubernetes.
Soft Skills:
- Strong analytical and problem-solving ability, especially when refactoring complex legacy systems.
- Ability to communicate technical concepts clearly with cross-functional teams.
- Self-motivated and able to work independently in a fast-paced engineering environment.
Language Requirements:
- Japanese: Business level
- English: Fluent
Preferred Skills & Qualifications
- Experience developing systems for E-commerce or logistics platforms.
- Advanced experience with CI/CD pipeline optimization and automated testing frameworks.
About the Company
Our client is a global technology leader building large-scale platforms that support critical infrastructure across Japan. Their systems power a vast logistics network used by thousands of merchants and businesses daily. The company promotes a modern DevOps culture, enabling engineers to work with cloud technologies, microservices architectures, and high-traffic systems in a collaborative environment.
Why You'll Love Working Here
- Work on large-scale logistics systems impacting Japan's digital infrastructure.
- Gain exposure to modern microservices architectures and cloud technologies.
- Hybrid work model with flexible work arrangements.
- Comfortable workplace including casual dress and employee dining facilities.
- Comprehensive benefits including transportation allowance and social insurance.
Don't Miss Out - Apply Now!
