Java Software Engineer

Key Responsibilities

Minimum N3 level proficiency in Japanese to facilitate communication with stakeholders

Front-End Development

• Collaborate with UX/UI designers to translate design mockups into functional user experiences.
• Optimize front-end components for maximum performance across browsers and devices.
• Write unit and integration tests using Jest to ensure robust and maintainable UI components.

Back-End Development

• Design, develop, and maintain server-side logic using Spring Boot and Java 21 .
• Build reusable and scalable modules, APIs, and libraries.
• Implement security, authentication , and data protection best practices.

Database Management

• Design and manage database schemas for MSSQL and PostgreSQL .
• Write efficient SQL queries , stored procedures , and triggers .
• Optimize database performance and ensure data integrity and consistency.

Integration

• Integrate front-end and back-end components for seamless data flow and user interaction.
• Work with RESTful APIs and integrate third-party services where needed.

Testing and Debugging

• Develop unit and integration tests for back-end using Mockito .
• Perform code reviews , identify performance bottlenecks, and debug issues effectively.
• Ensure code reliability, stability, and adherence to coding standards.

Collaboration

• Work closely with product managers, designers, and developers in an Agile/Scrum environment.
• Participate in sprint planning , daily stand-ups , reviews , and retrospectives .
• Provide technical guidance and mentorship to team members.

Continuous Improvement

• Stay current with emerging technologies and industry best practices .
• Continuously improve coding standards, performance, and deployment processes

Qualifications

Education

• Bachelor's degree in computer science, Information Technology , or a related discipline.

Experience

• Minimum 8+ years of experience in full stack development .

Technical Skills

• Front-End: React JS, JavaScript (ES6+), HTML5, CSS3, Jest
• Back-End: Spring Boot, Java 21, RESTful APIs
• Databases: MSSQL, PostgreSQL
• Testing Frameworks: Jest, Mockito
• Version Control: Git / GitHub / GitLab
• Build Tools: Maven, Gradle
• Security: OAuth2, JWT, Spring Security

Soft Skills

• Strong analytical and problem-solving capabilities.
• Excellent communication and collaboration skills.
• Ability to work effectively in a fast-paced , agile , and dynamic environment.

Preferred Qualifications

• Experience with cloud platforms (AWS, Azure, GCP).
• Knowledge of containerization (Docker) and orchestration (Kubernetes).
• Familiarity with CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI).
• Experience with message queues (RabbitMQ, Kafka).

Mandatory Skills

Java, Spring Boot, Japanese Language Expert