Principal Engineer - Service Engineer

Sabre Corporation; Kraków; Hybrid; PLN 240,000 - 420,000; Full time

Benefits offered by this job

Hybrid work mode

Flexible working hours

Paid time off Year-End-Break

Paid parental leave

Paid volunteer time

Luxmed medical coverage

Job summary

Sabre Corporation in Kraków is seeking a Lead Engineer to own complex Data & Analytics solutions from strategy to hands-on delivery. You will translate business hurdles into scalable technical solutions and mentor engineers while driving engineering excellence.

The role offers high autonomy, cross-functional collaboration with Product, Architecture, and SRE, and a clear path toward Principal Engineer. Hybrid office arrangement and generous benefits accompany the position.

Qualifications

• Strong hands-on Java backend development with Python for data tasks.
• Experience with distributed systems, microservices, and cloud-native tech.
• Proficient with RESTful APIs, Kafka, and relational/noSQL databases.

Responsibilities

• Partner with enterprise clients to design scalable Data & Analytics solutions.
• Lead technical design and develop core system components.
• Mentor delivery engineers and enforce code quality.
• Oversee end-to-end delivery, data migration, and integrations.
• Collaborate with Product, Architecture, and SRE teams.

Skills

Java backend

Python data automation

Distributed systems

Microservices

RESTful APIs

Kafka

SQL / NoSQL

Tools

Kubernetes

Docker

CI/CD

Job description

Powering the agentic revolution in travel. Sabre is an AI-native technology leader, backed by one of the world’s largest travel data clouds. Built on an open, modular, cloud-native architecture, Sabre serves as the backbone for both established leaders and bold, new disruptors, guiding them to the next age of travel retailing through intelligent, connected, and personalized experiences. With AI at its core and operating at unparalleled scale, Sabre transforms insights into innovation, empowering airlines, hoteliers, agencies and other partners to retail, distribute and fulfill travel worldwide. This role is part of a larger transition and is planned as part of a separate team being created in Kraków.

Role Summary

As a Lead Engineer, you will own complex Data & Analytics solutions end-to-end—from shaping the initial strategy with enterprise customers to hands‑on execution. In this role, you will act as a trusted advisor, translating business hurdles into scalable technical solutions. You will balance technical leadership and mentorship with hands‑on development, writing production code and driving engineering excellence. This position offers high autonomy and is designed for a leader ready to track directly into a Principal Engineer role.

Key Responsibilities

• Customer & Solution Ownership: Partner directly with enterprise clients to discover business needs, design scalable Data & Analytics solutions, and build long‑term technical trust.
• Hands‑on Leadership: Own technical design and architectural decisions. Lead the development of critical system components and write production‑quality code.
• Engineering Excellence: Set high standards for code quality, testing, and maintainability. Mentor delivery engineers and review their work to ensure top‑tier performance.
• Delivery & Integration: Oversee end‑to‑end implementation, data migration, and system enhancements, ensuring everything aligns with platform capabilities and timelines.
• Cross‑Functional Collaboration: Work closely with Product, Engineering, Architecture, and SRE teams to remove blockers and champion engineering best practices.

Required Experience & Skills

• Core Development: Strong hands‑on Java backend experience, paired with good knowledge of Python for data and automation.
• Architecture: Deep understanding of distributed systems, microservices, and cloud‑native technologies (Kubernetes, Docker, CI/CD).
• Data & Messaging: Robust experience with data platforms, streaming/event‑driven systems (e.g., Kafka), and solid SQL skills (Relational and NoSQL).
• Integrations: Proven track record of building and consuming RESTful APIs for mission‑critical, high‑availability enterprise systems.

Lead‑to‑Principal Expectations

Independently manages complex systems and critical components under minimal oversight. Comfortable navigating high‑pressure, customer‑critical environments. Leads through technical authority, execution excellence, and active mentorship. Demonstrates the strategic vision and technical depth required to quickly evolve into a Principal Engineer.

Why This Role Matters

You will ensure our most complex Data & Analytics solutions run flawlessly in the real world—directly protecting customer trust, driving platform adoption, and securing revenue realization.

Work arrangements

• Hybrid working mode; 3 chosen days from the office in a week
• Flexible working hours: Maintain your work‑life balance by adjusting your working hours to your needs
• Paid time off Year-End-Break:enjoy additionalfully paid days offduring the last week of the year
• Paid 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 card
• Tax deduction: take the opportunity to claim deductible costs, reducing your income tax
• Employee Capital Plans:profit from long‑term saving scheme co‑financed by Sabre and the State Treasury
• Baby 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 medical coverage: take care of yourself and your family with the extensive medical package with a broad range of additional services
• Foreign travel insurance: feel safe going abroad with free Allianz insurance offered as part of our Lux Med package
• Employee Assistance Program: find help in free, confidential program with a certified counselor
• Mindfulness & meditation apps: take care of your mental and physical health
• Life insurance: sign up for free, high coverage life insurance program

Career development

• Professional development:access to e-learning platforms as well as join Sabre live learning sessions
• Certification and tuition reimbursement

The 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)

Other perks

• 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 well No dress code
• Innovation Lab: access Augmented Reality & Virtual Reality equipment, Robot construction kit, 3D printers and many more
• Attractive Referral Bonus:earn $2500 USD for every hired referral

Reasonable Accommodation

Sabre is committed to working with and providing reasonable accommodation to applicants with disabilities. Applicants applying for a Sabre position with a disability who require a reasonable accommodation for any part of the application or hiring process may contact Sabre at [e-mail]. Determinations on requests for reasonable accommodation will be made on a case‑by‑case basis.

Equal Employment Opportunity

Sabre is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability status, protected veteran status or any other characteristic protected by law.

Equal Employment Opportunity Sabre is an equal employment opportunity employer and is committed to providing employment opportunities to minorities, females, veterans and disabled individuals.