Senior Machine Learning Scientist, Agentic AI & GenAI Systems (Growth Marketing)

Expedia Group Senior Machine Learning Scientist, Agentic AI & GenAI Systems (Growth Marketing) Reposted An Hour AgoSaved Hybrid Seattle, WA, USA 173K-277K Annually Senior level 173K-277K Annually Senior levelAdTech • eCommerce • Information Technology • Software • Travel • Generative AILead end-to-end design, build, and deployment of production-scale GenAI, RAG, and multi-agent systems for growth marketing. Responsibilities include training and adapting LLMs (LoRA/QLoRA, RLHF/DPO), building multimodal pipelines, vector memory and embedding systems, agent orchestration, observability/safety, and mentoring teams while partnering with product and design.Top Skills: AdaptersAudioAutogenAWSAzureClaude Agents SdkContainer OrchestrationDistributed Gpu TrainingDpoEmbeddingsGenaiInferenceKnowledge GraphsLangchainLanggraphLangsmithLlm-As-A-JudgeLlmsLoraMl ToolingMulti-Agent SystemsMultimodal (VisionOpenai Agents SdkQloraRagRlhfStructured Data)Synthetic Data GenerationTextVector Memory Systems