Mid-Level Software Systems Engineer - Java

Location: Kraków (hybrid work - 3 days per week in the office) Who are we? The Customer Identity and Access Solutions (CIAS) engineering team is looking for a Mid Engineer. Our scrum teams in Kraków are responsible for developing and maintaining applications that handle Customer Identity and Access Management (CIAM) for Sabre’s customers across all Business Units. We deliver services and third-party products focused on user authentication, authorization, and customer identity management. Our applications are critical to the company, so stability, security, and scalability are particularly important to us. Who are we looking for? We are looking for engineers dedicated to the work they do. The ideal candidate demonstrates strong ownership, takes initiative to deliver commitments with high quality, and is accountable for outcomes. Priorities may change frequently, so the perfect candidate is open-minded, adaptable, and well-organized. We value engineers who are curious, continuously learning, and interested in adopting modern engineering practices, including AI-assisted development. What will you do? When you join our team, you will have the opportunity to participate in every phase of the software development lifecycle: feature design, implementation, testing, deployment, and production support. You Will Build and maintain backend services supporting authentication, authorization, and identity managementWork with a broad suite of automated tests (functional, integration, performance)Deploy and operate services in production environments, gaining full ownership of your codeTroubleshoot and resolve production issues to ensure system reliability and availabilityCollaborate with product, architecture, and SRE teams to deliver secure and scalable solutions In our day-to-day work, we leverage modern technologies including Java 21, Spring Boot, cloud-native architectures on Google Cloud Platform (GCP), Docker, Kubernetes (GKE), and CI/CD pipelines (e.g., GitHub Actions). We are continuously evolving our identity platform and authentication solutions, and you will have the opportunity to influence how we manage identity and access at scale. We also actively adopt AI-assisted development tools (e.g., GitHub Copilot, Claude, Gemini) to improve engineering productivity, code quality, and developer experience. Job Requirements Must have: Strong experience with Java (Java 17/21 preferred)Experience with Spring / Spring BootStrong experience with Google Cloud Platform (GCP) and cloud-native development (or similar Cloud Solutions)Experience with microservices architecture and REST APIsExperience with CI/CD tools (e.g., GitHub Actions, Jenkins, Maven, Git)Experience with Linux/Unix environmentsExperience with testing frameworks (e.g., JUnit, Mockito, Spock)Good self-organization skills and ownership mindsetExcellent communication skills in English, written and verbal Nice To Have Experience with identity and access management, including SSO, SAML, OAuthFamiliarity with OKTA or similar identity providersExperience with Docker, Kubernetes (GKE)Basic scripting skillsExperience using AI tools in the Software Development Lifecycle, including:AI-assisted coding (e.g., GitHub Copilot)AI assistants (e.g., Claude, Gemini)Agent-based workflows, prompt engineering, or developer productivity tooling Benefits Paid time off Year-End-Break: enjoy additional fully paid days off during the last week of the yearPaid parental leave: Take up to 12 weeks off with pay after birth or adoption of a child. Sabre Global Paid Parental Leave runs concurrently with local leave policies.Paid volunteer time: take up to 4 days annually to give your time to a charitable organization of your choice Your money My Benefit platform/Multisport card: enjoy the benefit cafeteria system and use popular sport cardTax deduction: take the opportunity to claim deductible costs, reducing your income taxEmployee Capital Plans: profit from long-term saving scheme co-financed by Sabre and the State TreasuryBaby Bonus: benefit from one-time allowance on childbirth or adoption Say Thanks program: collect points on recognition program and transfer them to wide variety of gifts and services Health and wellness Luxmed VIP medical coverage: take care of yourself and your family with the extensive medical package with a broad range of additional servicesForeign travel insurance: feel safe going abroad with free Allianz insurance offered as part of our Lux Med packageEmployee Assistance Program: find help in free, confidential program with a certified counselorLife insurance: sign up for free, high coverage life insurance program Career development Professional development: enjoy access to Udemy learning platform as well as join Sabre live learning sessionsCertification and tuition reimbursementOur Communities: join one of our team member groups focused on sharing knowledge and best practices (Google Developers Group, Innovation Lab Community, Women in Technology, SOLVE!T and many more) And more Car and bike parking Fun & Relax zone in modern office: enjoy electronic tables to work, foosball, ping pong, pool table, swings, massage chairs and terraces to admire a panoramic view of Kraków. We have parents’ rooms as wellNo dress codeInnovation Lab: access Augmented Reality & Virtual Reality equipment, Robot construction kit, 3D printers and many moreAttractive Referral Bonus: earn $2500 USD for every hired referral