Join Japan's leading internet services company as a Java Application Engineer in a HAKEN (dispatch) position, open only to candidates residing in Japan. In this dynamic, large-scale environment, you'll contribute to mission-critical systems for one of the nation's top e-commerce platforms. You'll work with cutting-edge Java technologies, optimize APIs, and ensure high availability for millions of users.
Key Responsibilities
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Design and maintain scalable Java-based applications using Spring Framework
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Develop RESTful APIs and GraphQL endpoints to support seamless data exchange
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Optimize and manage RDBMS systems for high-performance data retrieval
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Participate in code reviews and implement best development practices
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Resolve technical issues and improve system performance and availability
Required Skills and Qualifications
Experience:
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4+ years of Java development experience using Spring Framework
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Strong track record in building RESTful APIs and GraphQL services
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3+ years managing relational databases (e.g., MySQL, PostgreSQL)
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Solid understanding of software development principles
Soft Skills:
Language Requirements
Preferred Skills & Qualifications
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Experience with cloud platforms like AWS, GCP, or Azure
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Familiarity with Docker, Kubernetes, and microservices architecture
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Exposure to Agile development methodologies
About the Company
Be part of Japan's most innovative internet and e-commerce leader. This top-tier tech company empowers millions of users nationwide, with a focus on scalable systems, advanced engineering practices, and future-focused platforms. As an engineer, you'll work closely with highly skilled teams in a collaborative, forward-thinking culture.
Why You'll Love Working Here
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Direct impact on services used across Japan's e-commerce ecosystem
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Opportunities for professional development and tech skill advancement
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Station-side office with a casual dress code and minimal overtime
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Company cafeteria, full benefits, and education support included
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Flexible, dynamic work environment with modern tooling
Don't Miss Out - Apply Now!
