Java Software Engineer

SUMMARY 💰 140 - 180 PLN/h on B2B 💰 16 300 - 19 800 PLN gross on UoP 📍 Kraków (Hybrid - 2 days office / 3 days remote) 💼 Senior PROJECT We are looking for a Java Developer with 7+ years of experience to join our high-performing team developing modern, large-scale backend systems for the travel and transportation industry. If you have a strong background in Java development, cloud-native architecture, and enterprise-grade application design, this is your opportunity to take part in building the technology behind global travel experiences. As a Java Developer, you will lead a team in designing, implementing, and optimizing backend services and APIs that power mission-critical systems used by millions of travelers worldwide. You’ll play a key role in shaping system architecture, ensuring performance, reliability, and scalability - while mentoring developers and contributing to a culture of engineering excellence. YOUR ROLE Design, develop, test, and debug complex software solutionsDesign and build prototype applicationsResearch best practices, new tools, and technology.Work closely with technical staff to understand problems with software and resolve themWork closely with the Product team to understand business requirementsAssist in the development of software technical documentationSupport SRE in our effort to evolve CI/CD processes and stability MUST HAVE 7+ years of relevant professional experience as a Java DeveloperGood organizational skills, self-discipline, and commitment orientationExcellent Java/J2EE programming skillsExpert knowledge in Java Core MultithreadExperience with Git, Maven, Jenkins, Docker, Unix/LinuxExperience with noSQL/CouchbaseExperience with REST/JSON/XML/Web ServicesExperience with JUnit/Unit TestingExperience with Spring frameworkExperience with cloud-based technologies (GCP)Excellent analysis and problem-solving skillsGood communication skills in English, written and verbalDemonstrate a winning cultureAbility to handle multiple tasks simultaneously OUR OFFER The relocation package (4500 PLN total value) is paid in three installments (1500 PLN per month) if your permanent office presence is mandatory and you need to relocate from another city.Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport card; Life insurance.