Principal Application Architect

Powering the agentic revolution in travel. Sabre is an AI-native technology leader backed by one of the worlds 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.

Location: Kraków (hybrid work - 3 day per week in the office)

Principal Application Architect Nova Team

Role Overview

Sabre is seeking an experienced Principal Application Architect to support the Nova Team a strategic engineering group within the Customer Identity and Access Solutions (CIAS) organization. Nova is responsible for driving platform modernization cloudnative transformation and architectural excellence across CIASs most critical identity and access platforms.

This role reports to the Senior Director of Software Engineering and operates as a technical authority across Novaowned systems and the broader CIAS landscape.

About the Nova Team

The Nova team owns and supports a portfolio of foundational Sabre platform and infrastructure services including:

• OffHost Session Manager (OHSM)

• Cross Domain Session Store (CDSS) and related services (Sync Garbage Collector)

• Customer Viewership (CVSP)

• Security Shared Cache

These platforms operate at Sabre scale supporting thousands of transactions per second with lowlatency response characteristics (10100 milliseconds). As a result Novas scope is focused on systems where stability performance security and correctness are nonnegotiable and where outages regressions or audit gaps have immediate enterpriselevel impact.

Over the past several years Nova has consistently converted highrisk scope into stable compliant and costcontrolled outcomes including:

• Leading production readiness with zero disruption for initial client traffic on critical platforms

• Stabilizing Router and OHSM into trusted CIAS infrastructure

• Establishing repeatable performance and testing practices

• Delivering PCI 4.0 audit outcomes including latescope SIM remediation

• Driving modernization through CI/CD improvements repository migrations and platform hardening (notably CVSP)

• Reducing infrastructure footprint across multiple systems delivering ongoing runrate cost avoidance

Collectively these outcomes have avoided audit failures protected platformlevel SLAs prevented incidentdriven cost and escalation and reduced longterm operational spendwhile keeping CIASs most critical platforms performant and reliable at scale.

The Role

As a Principal Application Architect you will define longterm architectural direction guide engineering excellence through close partnership with the Nova team and influence product and platform strategy across CIAS.

This is a handson architectural leadership role: deep in design grounded in delivery and accountable for nonfunctional outcomes at enterprise scale.

Key Responsibilities

• Serve as an architectural authority for CIAS platforms supported by Nova with accountability for stability performance security and correctness

• Define and evolve the longterm architectural vision strategy and modernization roadmaps across Novaowned systems

• Lead the design and evolution of largescale distributed cloudnative platforms operating at Sabre scale

• Develop and maintain architectural blueprints domain models integration patterns and targetstate architectures

• Guide engineering teams through complex design decisions and tradeoffs balancing delivery realities with longterm platform health

• Partner with CIAS Product leadership Engineering leaders and CIAS Solutions Architects to ensure architecture aligns with CIAS architectural North Star vision business strategy and performance requirements

• Drive architectural governance ensuring consistency security compliance and audit readiness across CIAS services

• Influence senior technical and business stakeholders across CIAS and Sabre to drive architectural alignment and strategic outcomes

• Conduct deepdive design reviews and targeted code reviews for critical paths highrisk changes and production readiness

• Mentor senior engineers within Nova raising the technical bar and strengthening architectural capability across the team

• Champion engineering excellence cloudfirst principles and operational rigor

Qualifications & Experience

Required Experience

• 10 years of experience in software engineering application architecture or technical leadership roles

• Proven experience architecting and delivering largescale distributed cloudbased systems

• Demonstrated ownership of nonfunctional requirements (performance availability security resilience) for missioncritical platforms

• Deep expertise in application architecture including microservices domaindriven design and APIfirst design

• Handson experience with cloudnative platforms (Kubernetes; public cloud such as GCP preferred)

• Experience defining architectural standards guiding modernization and influencing delivery across multiple teams

• Strong analytical and architectural modeling skills with the ability to reason about complex systems at scale

• Excellent communication and influencing skills including the ability to guide senior technical and business stakeholders

Technical Depth (HandsOn at the Architectural Level)

• Maintains architectural fluency through design reviews critical code path reviews and production readiness assessments

• Experience establishing or governing CI/CD standards testing strategies and quality gates for platform services

• Familiarity with modern CI/CD pipelines automated testing and secure delivery practices

• Working knowledge of Agile/Scrum development environments

• Ability to diagnose and reason about complex production issues when needed without being a primary oncall implementer

Education

• Bachelors degree in Computer Science Engineering or a related field (or equivalent practical experience)

Benefits:

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

• Life 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 sessions

• Certification and tuition reimbursement

• Our 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 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

We will give careful consideration to your application and review your details against the position criteria. You will receive separate notification as we progress your application.

Please note that only candidates who meet the minimum requirements will proceed in the selection process.

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.