Principal Applied Scientist, Agentic AI at Zillow

You're an accomplished Applied Scientist with a PhD or equivalent experience, specializing in reinforcement learning and post-training methods for AI systems in complex, high-stakes environments. You're comfortable taking ambiguous problems from framing to production and measuring their impact. **What makes it worth a look...** This fully remote role at Zillow offers a base salary between $191,300 - $305,700/year, depending on your location within the U.S. You'll lead the technical direction for shaping AI model behavior in real products across a leading real estate platform. **You might be a good fit if you...** * Have strong, current expertise in post-training techniques like DPO, RLHF/RLAIF, and preference modeling. * Are proficient in evaluating and monitoring aligned models, including win-rate experiments and human/AI feedback loops. * Possess experience 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 paramount.