Jobs at Expedia Group

Lead strategy and implementation of Expedia Group's AI evaluation framework. Build metrics, tooling, and governance to measure accuracy, safety, transparency, and performance across AI experiences. Partner with engineering, data science, and product teams to design instrumentation, publish scorecards and recommendations, and drive alignment on evaluation standards and responsible deployment.

The Principal Software Development Engineer will architect and lead the evolution of the Cloud Platform, enhancing Kubernetes infrastructure, observability, and optimizing cloud spending while supporting developer workflows.

As a Principal Software Engineer, lead the architecture and implementation of scalable observability platforms while mentoring engineers and optimizing observability practices across teams.

Lead research, design, and deployment of large-scale search and recommendation ML systems. Build multi-modal retrieval and multi-stage ranking pipelines, advance intent understanding and personalization, develop sequential recommenders, design offline/online evaluation (A/B testing, counterfactuals), collaborate with engineering/product teams, and mentor scientists to productionize cutting-edge AI solutions.

Lead content strategy and UX writing for Loyalty and Membership experiences. Define content vision, design scalable IA and content systems, run content research and tests, and collaborate with Product, Engineering, Localization, Accessibility, Marketing, and Legal to deliver inclusive, measurable product content.

Lead product security architecture efforts: advise engineering/product teams, run threat modeling and architecture reviews, embed AI-enabled security automation, mentor stakeholders, and shape long-term security strategy across cloud-native products.

As a Senior Machine Learning Scientist, you will develop advanced machine learning models for personalization, collaborate with cross-functional teams, and mentor junior scientists, ensuring impactful solutions in production scenarios.

Lead AI-powered reporting and insights strategy, designing data architecture, pipelines, and LLM-enabled workflows (RAG, prompt engineering, agentic pipelines). Integrate BI tools and enterprise AI platforms, establish governance for executive AI outputs, and provide technical leadership to scale trusted, automated reporting and self-service insights across the organization.

Lead the CTO-aligned Technical Program Management team to drive enterprise-scale annual and quarterly planning, prioritize cross-cutting initiatives, allocate engineering capacity and headcount, run operating cadences, and integrate AI/ML-driven tooling and analytics to improve predictability, resource allocation, and delivery outcomes across the technology portfolio.

Lead hands-on prototyping and productionization of AI-powered traveler experiences. Define reusable AI patterns, evaluate frontier models, partner with engineering/design/data science, set metrics and experimentation, ensure guardrails and quality, and share playbooks across the company.

Define and execute the scientific roadmap for search and recommendation: architect large-scale ranking and retrieval systems, develop and distill Ranking Foundation Models, integrate vector/RAG/hybrid retrieval into production, partner with product and engineering, and lead and scale multidisciplinary ML teams to optimize marketplace health.