Senior Applied Scientist

Join Zillow's Agentic AI team as a Senior Applied Scientist to build foundational AI technologies for home shopping experiences. You will focus on LLM post-training and reward modeling, driving self-evolving agentic systems and translating cutting-edge research into production impact at scale.

• Own LLM post-training pipelines (SFT, DPO, RFT/GRPO)
• Build and train multi-category reward models
• Design on-policy and online assessment using LLM-as-a-Judge
• Translate offline evaluation rubrics into reward functions
• Provide technical leadership and mentorship
• Collaborate across product, engineering, and data teams