Junior Java Developer (1-3 Years of Experience)

We are looking for 3 Junior Java Developers with hands-on experience working with structured databases and JSON files to join our software development team.
The ideal candidate will have a strong foundation in system development including design, implementation, and testing, with at least 1 year of relevant experience preferable in diagnostic data content creation, database/data modelling, or customer/vendor communication related to IT projects. A problem-solving mindset and ability to work with diagnostic protocols and tools are highly valued. Fluency in Japanese and a willingness to improve English communication skills are essential.
Key Responsibilities
• Design, develop, and maintain Java-based web applications.
• Participate in full software development lifecycle activities including requirements analysis, design, implementation, testing, and deployment.
• Create and manage automobile diagnostic data content or develop and optimize database schemas and data models (SQL, XML, JSON).
• Collaborate with customers and overseas vendors for SW development projects, ensuring clear communication and delivery.
• Troubleshoot and resolve technical issues with a problem resolution-oriented approach.
• Work with diagnostic protocols such as UDS, KWP, DOIP where applicable.
• Utilize or contribute to standards and tools related to ODX (Open Diagnostic data eXchange) and OTX (Open Test sequence eXchange).
• Communicate effectively in Japanese (native-level speaking, listening, and writing, including technical specifications).
• Engage in English communication and training programs to improve daily and technical English skills.