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At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.
Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.
Principal Software Development Engineer
Introduction to team
Are you an experienced engineer passionate about building scalable, high-impact systems that power millions of traveler decisions every day?
Expedia Group’s Reviews Engineering team is looking for a Principal Engineer to shape the technical vision and architecture of our next-generation Reviews platform — the trusted engine that collects, curates, enriches, and distributes traveler-generated reviews across our brands and partners globally.
As part of the Content domain, the Reviews platform plays a mission-critical role: helping travelers make confident booking decisions and enabling partners to understand and improve their guest experience. You’ll lead the design of resilient, compliant, and intelligent systems that operate at global scale — ensuring trust, reliability, and innovation at the heart of Expedia’s marketplace.
In this role, you will:
- Architect and evolve the end-to-end Reviews platform to acquire, process, and surface high-quality traveler reviews across Expedia Group brands
- Drive technical strategy and platform modernization across all Reviews subdomains — Collection, Moderation, and Distribution — ensuring scalability, resilience, and compliance
- Define and influence cross-domain architecture, collaborating with teams across Content, Search, and Lodging to maximize data reuse and interoperability
- Lead system design for large-scale, low-latency services that power customer-facing experiences and partner insights
- Contribute hands-on by writing clean, performant, and production-ready code for complex distributed systems
- Collaborate with product and data science teams to enable intelligent review insights through machine learning, moderation automation, and relevancy scoring
- Champion operational excellence, ensuring high availability (Tier-1 reliability), observability, and continuous improvement
- Mentor and elevate other engineers by fostering strong engineering principles, code quality, and architectural rigor
- Influence technical roadmap and strategy, ensuring alignment with Expedia Group’s platform evolution and compliance standards
Experience and Qualifications:
- 10+ years of engineering experience building large-scale, distributed systems in high-traffic environments
- Deep expertise in Java/Kotlin, AWS, Docker, Kubernetes, Spring Boot, caching and database platforms, CI/CD, and architectural design patterns
- Proven track record of designing resilient, low-latency systems that handle large-scale user-generated content or similar Tier-1 workloads
- Strong understanding of cloud-native design, microservices architecture, and data pipelines
- Experience with machine learning integration, content moderation, or text analytics is a plus
- Excellent collaborator who can influence across globally distributed teams
- Passionate about platform thinking — balancing reliability, developer productivity, and business agility
- Effective communicator with the ability to translate complex technical concepts for diverse audiences
- A "One Expedia" team player who values transparency, mentorship, and shared success
Accommodation requests
Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation.
About Expedia Group
Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.
Important notice
Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.
Equal Opportunity
Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.Skills Required
- 10+ years building large-scale, distributed systems in high-traffic environments
- Deep expertise in Java and/or Kotlin
- Experience with AWS cloud services
- Experience with Docker and Kubernetes
- Experience with Spring Boot and related Java frameworks
- Experience with caching and database platforms and designing low-latency systems
- Experience with CI/CD and cloud-native microservices architecture
- Experience with machine learning integration, content moderation, or text analytics
- Strong collaboration, communication, and ability to influence across distributed teams
What the Team is Saying
Expedia Group Compensation & Benefits Highlights
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Wellbeing & Lifestyle Benefits — Travel and wellness stipends, employee travel discounts, and access to industry credentials create distinctive lifestyle value aligned with the company’s mission. Feedback suggests these perks are widely valued and complemented by programs like charitable matching and volunteer time.
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Parental & Family Support — Paid parental leave for all parents, additional time for birthing parents, caregiving leave, and fertility/family‑building support indicate comprehensive family backing. Immediate eligibility and flexible return‑to‑work options further strengthen this area.
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Healthcare Strength — Employer‑provided medical options are positioned as locally competitive and are supplemented by mental‑health platforms and neurodiversity coaching. Health coverage is regarded positively, with multiple support pathways beyond standard insurance.
Expedia Group Insights
What We Do
Expedia Group, Inc. is the global travel marketplace with one purpose: to help travelers explore the world, one journey at a time. Expedia Group™ connects travelers, partners, and advertisers through its trusted brands, leading technology, and rich first-party data, delivering predictive, personalized experiences that shape the future of travel. Expedia Group’s ecosystem includes three flagship consumer brands – Expedia®, Hotels.com®, and Vrbo® – the largest B2B travel business, and a premier advertising network. Guided by an experienced and passionate global team, Expedia Group helps millions of travelers in more than 70 countries explore the world with confidence and ease.
Why Work With Us
Life at Expedia Group starts with the people and is shaped by how we work together. You’ll join a global community of curious teammates from different backgrounds, locations, and disciplines. Day to day, that means sharing ideas, taking ownership, and solving problems together.
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Expedia Group Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
