Principal Applied Scientist, Agentic AI

New

ZillowReal Estate Technology

U.S. employees may live in any of the 50 United States, with limited exceptions.Full-TimePrincipal

SalaryUSD 181800 - 305700 / year

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Job Details

PhD in Computer Science, Machine Learning, Statistics, Mathematics, or equivalent experience.
8+ years of industry experience building and deploying large-scale, high-impact AI systems.
Deep expertise in large language models and agentic AI.
Experience turning research ideas into reliable customer-facing production systems.
Experience developing AI agents with multi-step reasoning, long-running execution, and proactive behavior.
Extensive hands-on experience in agent architecture, harness design, context and memory engineering, and post-training.
Extensive experience establishing rigorous evaluation frameworks for complex AI systems.
Proven track record of leading ambiguous, cross-functional initiatives through production.
Demonstrated technical leadership, mentorship, and ability to influence executive audiences.
Demonstrated impact through high-impact production systems, patents, or publications.

Define and drive the end-to-end applied science strategy for advanced reasoning and long-running agent systems.
Advance agent capabilities through agent architecture, harness design, context/memory engineering, test-time scaling, and post-training.
Establish rigorous evaluation frameworks including task-level/trajectory-level evaluation, long-horizon benchmarks, and online measurement.
Influence senior and executive stakeholders by communicating technical trade-offs, risks, and strategic scientific recommendations.
Stay at the forefront of agentic AI and foundation model research to selectively integrate advances into Zillow's systems.
Represent Zillow's work through publications, conference presentations, patents, and technical engagement.

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