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Java Developer

Technology
Click IT Group
Warszawa, Polska2 tygodni temuDo 17.12.2026
Pełny etatPełni zdalna

Opis stanowiska

Key responsibilities

  • Develop and maintain scalable backend applications and services using Java and modern development practices.

  • Design and implement new functionalities based on business and technical requirements.

  • Work with existing codebases, identifying areas for improvement and contributing to their modernization and optimization.

  • Develop and integrate REST APIs and cooperate with other application and platform components.

  • Write clean, maintainable and well-tested code, including unit and integration tests.

  • Investigate and resolve technical issues, performance problems and production incidents when required.

  • Collaborate with other developers, QA engineers, architects and business stakeholders throughout the software development lifecycle.

  • Contribute to technical documentation, code reviews and continuous improvement of development processes.

What we’re looking for
  • Several years of professional experience in Java development.

  • Strong knowledge of Java 17 and object-oriented programming principles.

  • Practical experience with Spring / Spring Boot and building backend applications or RESTful services.

  • Good understanding of SQL and relational databases such as PostgreSQL, Oracle or MySQL.

  • Experience with Git, automated testing and standard software development practices.

  • Familiarity with microservices, messaging systems and cloud technologies will be an advantage.

  • Analytical approach to problem solving, good communication skills and ability to work effectively in a team.

  • Good command of English, allowing comfortable communication in an international technical environment.

Keywords
JavaSpringSQLPostgreSQLMySQLOracleRESTful APISpring BootSpring FrameworkOracle DatabaseRelational grammarCommand keyGit

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