Principal AI Engineer- Customer Data Platform

Expedia Expedia · Hospitality · Seattle, WA

Principal AI Engineer to drive the vision, architecture, and implementation of AI-driven systems and services for Expedia Group's Customer Data Platform. This role focuses on AI automated data engineering to power hyper-personalized traveler experiences, involving building agentic systems and integrating ML models into production at scale.

What you'd actually do

  1. Drive the technical vision, architecture, and implementation of AI driven systems and services that power critical Expedia Group products across multiple domains
  2. Design and review complex system architectures, including detailed low-level designs, API contracts, and data models that enable robust, scalable, and secure AI capabilities
  3. Lead end to end delivery of AI features and platforms, from problem framing and data/feature strategy through model integration, evaluation, and safe deployment into production
  4. Build agentic systems that produce traveler data products that form the foundation of personalization across the entire customer journey, from user acquisition to post-trip engagement
  5. Mentor and technically guide engineers across teams, elevating AI engineering practices, code quality, observability, and reliability for services operating at global scale

Skills

Required

  • Extensive professional experience designing, building, and operating largescale, distributed backend or full stack services
  • Demonstrated expertise in system design (including detailed component and low level design), API design, and data modeling for high throughput, low latency services
  • Proven ability to own and drive technical direction and execution across multiple services or domains, influencing architecture and standards across teams, with strong software engineering skills in one or more modern programming languages

Nice to have

  • Advanced degree in a relevant technical field (e.g., Computer Science, Machine Learning, Applied Mathematics) with a focus on AI, ML, or large scale distributed systems
  • Track record of defining and evolving technical architectures for AI powered platforms or products operating at global scale, including data pipelines, feature stores, and online inference systems
  • Expertise in building and integrating ML models into production services, including experimentation frameworks, evaluation, monitoring, and safe rollout strategies for AI driven features
  • Experience leading cross functional technical initiatives and establishing best practices for reliability, performance, security, and cost optimization in AI intensive systems
  • Familiarity with AI driven systems, tools, or workflows and applying AI/ML concepts to real world products, including safely integrating and operating AI/ML enabled solutions that improve outcomes, and providing technical leadership on responsible and efficient AI use appropriate to a principal level AI engineer

What the JD emphasized

  • AI driven systems
  • AI capabilities
  • AI features
  • agentic systems
  • AI engineering practices
  • AI/ML enabled solutions
  • AI driven systems
  • AI/ML concepts
  • AI intensive systems
  • AI driven systems
  • AI/ML concepts
  • AI use

Other signals

  • AI transformation
  • generative AI
  • agentic systems
  • hyper-personalized traveler experiences
  • AI automated data engineering