Principal Engineer - Service Delivery

Krakow, Małopolskie, Poland💼 Full-time🗓 2026-06-09 → 2026-09-26

Core

Lead end-to-end Data & Analytics solutions for enterprise travel clients, translating business needs into scalable technical strategies and production code.

Role type

Principal Engineer (Service Delivery, Data & Analytics)

Builds

Scalable Data & Analytics solutions, critical system components, and enterprise integrations for travel partners.

Domain

Travel technology, Data & Analytics, Cloud-native systems

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Java backend development, Python for data/automation, distributed systems architecture, microservices, Kubernetes, Docker, CI/CD, Kafka, SQL (Relational & NoSQL), RESTful API design

Preferred skills

Strategic vision for Principal Engineer evolution, high-pressure customer-critical environment navigation, technical mentorship

Technologies

Java, Python, Kafka, Kubernetes, Docker, SQL, RESTful APIs

Responsibilities

Partner with enterprise clients to design scalable Data & Analytics solutions; Own technical design and architectural decisions; Write production-quality code; Mentor delivery engineers; Oversee end-to-end implementation and data migration.

Seniority

Senior, hands-on IC with trajectory to Principal

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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.