Expedia

Overview

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.

About Expedia

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.

Requirements & Eligibility

• 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

Key Responsibilities

• 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