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Java Spring Boot Developer

Date PostedJuly 6, 2026LocationKanagawa, JapanCompanyTopTech Informatics K.K / トップテック インフォマーティックス株式会社SalaryJPY 6000K - JPY 9000KTypeit (pc, web, unix) - fullstack engineer it (pc, web, unix) - back-end engineer

Job Summary

We are seeking a skilled Java Spring Boot Developer to join a project for an insurance client. The role involves the development, enhancement, and maintenance of business-critical enterprise applications. You will collaborate with stakeholders to deliver high-quality technical solutions in a stable environment.

Responsibilities

  • Design and develop enterprise Java applications
  • Develop and integrate RESTful APIs
  • Troubleshoot and optimize system performance
  • Collaborate with cross-functional teams

Required Skills

  • 3+ years Java development
  • Spring Boot framework
  • REST APIs & Microservices
  • Relational Databases (Oracle/MySQL/PostgreSQL)
  • Japanese JLPT N3+
  • English Conversational

Job Details

Key Responsibilities: - Design, develop, test, and maintain applications using Java and Spring Boot. - Develop and integrate RESTful APIs and web services. - Analyze business requirements and propose technical solutions. - Troubleshoot, debug, and optimize application performance. - Participate in code reviews and ensure adherence to development standards and best practices. - Support application deployment and post-production activities. - Collaborate effectively with cross-functional teams to deliver high-quality solutions. Job Requirements: Required Skills and Experience - Minimum 3 years of professional software development experience. - Strong hands-on experience with Java development. - Practical experience with the Spring Boot framework. - Knowledge of REST APIs and microservices architecture. - Experience working with relational databases such as Oracle, MySQL, or PostgreSQL. - Good understanding of the Software Development Life Cycle (SDLC). - Ability to work effectively in a team-oriented environment. Preferred Qualifications - Experience working in the insurance domain. - Experience with enterprise-scale application development. - Familiarity with Agile development methodologies. Language Requirements - Japanese: JLPT N3 level or above (Business communication ability preferred) - English: Conversational level or above Working Hours - 09:00-18:00 Additional Details - Social Insurance - Commuting/Transportation Allowance - Job Contract Period: Permanent - Nearest Station: Hibiya Station