Java Developer

Java Developer (Kafka) | Hybrid Work

Warsaw | Hybrid model (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.

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