Java Developer (86/25)

Project Join the team developing Flight Plan Manager, an advanced flight planning solution used by over 30 customers, including major international airlines. The product optimises flight routes, altitude, speed, and timing while considering fuel costs, CO₂ emissions, weather conditions, airspace restrictions, and delays. It is available as both an on-premises solution and a SaaS platform.

You will Design, develop, and estimate new product features within a Scrum team Develop automated tests and apply Test-Driven Development (TDD) practices Maintain and refactor complex codebases, including legacy systems Apply SOLID principles and software engineering best practices Debug applications, analyse performance, and resolve functional and non-functional issues Participate in code reviews and technical documentation Collaborate with distributed engineering teams and demonstrate solutions to internal and external customers Must have 5+ years of professional Java development experience Strong knowledge of Spring and Hibernate Understanding of microservices architecture and design patterns Experience with API design and SQL databases Knowledge of algorithms, SOLID principles , and software design practices Experience with Git and Docker Understanding of the software development lifecycle and Scrum or Kanban methodologies Strong analytical and problem-solving skills Fluent in English and Polish

Experience with Kafka, ActiveMQ, or IBM WebSphere MQ Frontend development knowle