Principal Applied Scientist, Agentic AI at Zillow

You're an experienced applied scientist, ideally with a PhD or equivalent, skilled in reinforcement learning and post-training methods to shape AI system behavior, ready to own problems from strategy to production. **What makes it worth a look...** This fully remote, full-time Principal Applied Scientist role at Zillow offers a generous annual salary of USD 191,300 - 305,700. The position focuses on high-impact work shaping AI models for safer, more capable user experiences. **You might be a good fit if you...** * Possess strong, current expertise in post-training techniques like DPO, RLHF/RLAIF, and preference modeling. * Have experience in evaluating and monitoring aligned models using win-rate experiments and human feedback loops. * Are proficient with modern transformer-based models and tooling such as LLMs and multimodal models. * Have experience working with cross-functional partners in domains where safety and trust are critical.