Senior Java Developer

iTeamly KRAKÓW 2026-09-22

5+ years of professional experience in backend development
Strong knowledge of Java and Spring / Spring Boot
Solid experience with REST APIs
Practical experience with microservices
Experience working with relational databases
Good understanding of software development best practices, testing and CI/CD
Experience building scalable and reliable applications
Good command of English
Ability to work independently and take ownership of technical solutions

We are looking for an experienced Senior Java Developer to join an international team working on modern digital solutions for the travel and aviation industry.

You will be involved in developing scalable backend solutions that support digital customer journeys, online booking, additional services and travel management.

What we offer

Work on a modern product used in the travel & aviation industry
International environment and experienced engineering team
Opportunity to influence technical solutions and architecture
B2B contract
Long-term cooperation and opportunities for professional growth

,[Developing and maintaining backend applications using Java, Designing and developing REST APIs and integrations, Working with microservices architecture, Taking part in technical design and architectural decisions, Building scalable, reliable and high-quality solutions, Collaborating closely with frontend developers, QA, DevOps and other technical specialists, Participating in code reviews and knowledge sharing, Contributing to the continuous improvement of development practices] Requirements: Java, Spring Boot, REST API, Relational database, Testing