Senior Software Engineer | Java & React Applications

• Drive frontend design for mission-critical logistics systems
• Work on high-volume applications serving nationwide operations

企業情報 Our client is a leading technology-driven e-commerce organization operating large-scale logistics and fulfillment networks across Japan. The team develops and maintains critical applications that support transportation management, warehouse operations, and delivery workflows.

職務内容

• Lead frontend development for transportation management web applications
• Develop and enhance mobile frontend applications used across logistics operations
• Collaborate closely with backend engineers to deliver integrated solutions
• Analyze and improve existing codebases for maintainability and performance
• Optimize application performance and improve user experience
• Conduct code reviews and participate in testing activities
• Create and maintain technical documentation related to development initiatives
• Contribute to system enhancements supporting transportation and last-mile delivery operations

理想の人材

• 5+ years of application development experience using Java
• Hands-on experience developing applications with React
• Strong ability to understand, analyze, and work with existing codebases
• Experience collaborating within cross-functional engineering teams
• Ability to independently drive tasks and proactively solve problems
• Strong communication skills in an international environment
• Business-level English proficiency (equivalent to TOEIC 800+)
• Japanese language skills are not required

What's On Offer

• Opportunity to work on large-scale logistics and transportation platforms
• Long-term project with stable engagement
• Exposure to complex, business-critical systems supporting nationwide operations
• International engineering environment with English communication
• Opportunity to influence architecture, performance, and user experience improvements

Contact: Serena Wu Quote job ref: JN-082026-7091322