Junior Java Developer

📍 Warsaw | Hybrid model (only 1-2 days per month in the office)

We are looking for a Java Developer to join a project focused on the development and maintenance of systems processing large volumes of real-time data. This role combines software development, database-related activities, testing, and deployment support within a complex enterprise environment.

Responsibilities

• Prepare and maintain development environments.

• Develop and implement new functionalities and enhancements.

• Create, modify, and maintain database components.

• Prepare and execute unit and integration tests.

• Design and perform performance testing activities.

• Verify compliance of delivered solutions with system architecture, coding standards, and quality requirements.

• Participate in code reviews and quality assurance processes.

• Prepare software changes for deployment, including code repository management, configuration updates, and deployment documentation.

Requirements

• Commercial experience in Java development.

• Experience working with systems processing large volumes of real-time data.

• Hands-on experience with Apache Kafka.

• Experience with relational databases and database development.

• Experience creating and executing unit and integration tests.

• Understanding of software development best practices, code reviews, and quality standards.

• Experience working in enterprise-scale environments.

Nice to Have

• Knowledge of the Java Swing library.

• Experience in developing and maintaining Java desktop applications.

What We Offer

• Hybrid work model with only 1-2 days per month in the Warsaw office.

• Long-term cooperation on a stable and challenging project.

• Opportunity to work with modern technologies and real-time data processing solutions.

• Collaboration with experienced professionals in a dynamic environment.

• Professional growth and participation in business-critical initiatives.