Java Developer

Java Developer

We are looking for a Java Developer to join our team and contribute to building scalable, enterprise-level applications that support our global travel platforms. 

In this role, you will participate in the full software development lifecycle, working closely with Product Owners, QA Engineers, UX/UI Designers, and other developers to deliver reliable, high-quality solutions. You will play an important role in maintaining and enhancing business-critical systems while contributing to the continuous evolution of our technology landscape. 

Your responsibilities 

• Participate in the full software development lifecycle, from requirements gathering and solution design to deployment and support 

• Collaborate with Product Owners, Designers, QA Engineers, and Developers to deliver high-quality software solutions 

• Design, develop, and maintain applications using Java technologies 

• Write clean, efficient, and maintainable code following development best practices 

• Develop and maintain automated unit tests using JUnit 

• Design, implement, and maintain REST and SOAP web services 

• Create, optimize, and troubleshoot SQL and PL/SQL queries 

• Maintain and improve existing applications, including bug fixing and performance enhancements 

• Prepare and maintain technical documentation 

• Identify opportunities for system improvements and contribute to technical innovation 

Our requirements 

• Minimum 5 years of commercial experience as a Java Developer 

• Experience working with Java 8 and Java 17 

• Strong knowledge of Spring Framework, Hibernate, and EclipseLink 

• Proficiency in Oracle SQL and PL/SQL 

• Experience with tools such as GitHub, TeamCity, and Tomcat/Tomee 

• Experience designing and implementing REST and SOAP web services 

• Knowledge of JSP, Struts, and JavaScript 

• Experience with unit testing using JUnit 

• Strong analytical and problem-solving skills 

• Very good command of English and ability to work in an international environment 

Nice to have 

• Willingness to learn and work with React 

• Experience with Linux, Docker, or AWS 

• Familiarity with Java EE standards 

• Understanding of CI/CD processes and modern development practices 

How we work 

• Clean Code principles 

• Design patterns and software engineering best practices 

• Code reviews and knowledge sharing 

• Continuous Integration and Continuous Deployment (CI/CD) 

• Agile and collaborative development environment 

• Cross-functional teams working closely across Product, QA, UX/UI, and Engineering 

• Focus on quality, maintainability, and continuous improvement 

What we offer 

• Hybrid work model (1–2 days per week in our Katowice office) 

• Opportunity to work on international, large-scale projects used by customers worldwide 

• Attractive remuneration paid in EUR 

• Flexible working hours 

• Individual learning and development budget 

• Partially or fully funded training and certifications 

• English lessons 

• Mentoring and support from experienced technical leaders 

• Participation in conferences in Poland and abroad 

• A culture focused on collaboration, knowledge sharing, and continuous improvement 

• Space to innovate and bring your own ideas to life 

• Support for IT community initiatives and professional networking 

• Long-term cooperation in a stable, growing international organization