We are looking for a mid-level Java Developer to join our team. You will work on a modern backend built in Java and Spring Boot, expose RESTful APIs consumed by the frontend, and integrate with multiple external systems. This is a hands-on role where you will take part in building new features, improving system architecture, and ensuring code quality.
Your tasks
Develop, maintain, and optimize backend services built with Java and Spring Boot
Design and implement REST APIs used by the frontend and external partners
Integrate with external APIs and ensure reliable data exchange
Write clean, testable, and maintainable code (unit & integration tests with Spock/JUnit)
Work with PostgreSQL and use Flyway for database migrations
Participate in code reviews and contribute to continuous improvement
Collaborate with cross-functional teams in an Agile environment
Use Git for version control and GitHub Actions for CI processes
Requirements
Minimum 4 years of commercial experience in Java development
Strong knowledge of Spring Boot and building REST-based applications
Proficiency with SQL and relational databases (PostgreSQL)
Experience with unit and integration testing (Spock/JUnit)
Solid experience working with Git
Practical understanding of API integrations
Strong analytical and problem-solving abilities
Good command of both English and Polish (written and spoken)
Residing in Poland required
Nice-to-have requirements
Experience with AWS or other cloud services
Familiarity with Docker or containerization practices
Knowledge of CI/CD pipelines (e.g., GitHub Actions)
Understanding of software architecture and design patterns
Previous use of Flyway for schema versioning