Senior GenAI Scientist – Growth Marketing Systems

Expedia Group in Seattle is seeking a hands-on Senior Machine Learning Scientist to build end-to-end GenAI and agentic marketing systems, spanning backend architectures to user interfaces. You will lead development of RAG pipelines, memory architectures, and multimodal data pipelines while collaborating with product and design teams to ship user-facing features and ensure scalable, observability-rich solutions.