Sr Software Systems Engineer with Java

Krakow, Małopolskie, Poland💼 Full-time🗓 2026-04-13 → 2026-09-26

Core

Design, build, and maintain moderately complex Java services and integrations for customer identity and access solutions, migrating legacy TPF capabilities to cloud-native architecture.

Role type

Senior Software Systems Engineer (Java)

Builds

Cloud-native services, web-based security applications, and integrations for customer identity and access.

Domain

Travel technology, Identity & Access Management (IAM), Cloud-native systems

Deliverable

production ML models | product features | infrastructure

Required skills

Java, REST API development, Spring Framework, SQL, CI/CD pipelines, TDD practices, Kubernetes, GCP, Bash scripting, System troubleshooting

Preferred skills

Experience with Oracle 12c, LDAP, Tomcat, Maven, Jenkins, Google Cloud, Agile/SCRUM methodology

Technologies

Java 8/17, Spring 3.x/4.x/5.x, SpringBoot 2.0, Tomcat 8, Oracle 12c, LDAP, Git, Maven, Jenkins, Google Cloud, Kubernetes

Responsibilities

Design and build services/components/integrations; own quality via testing and code reviews; operate services including deployments and incident response; collaborate on requirements and estimates; implement secure coding practices; improve tooling and processes.

Seniority

Senior, hands-on IC

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About Sabre

Sabre is looking for a highly technical Principal Product Owner to lead our API design governance, with a specialized focus on Agentic-Ready architectures. In this role, you will be responsible for the product vision, standardization, and execution of our API portfolio Design and Governance framework, ensuring it meets the highest standards for both human developers and artificial intelligence. Your mission is to enable Sabre teams deliver a strong Developer and Agent Experience (AX) across our ecosystem.