[Remote] Principal Machine Learning Engineer, Agentic AI

Note: The job is a remote job and is open to candidates in USA. Zillow is a leading real estate platform transforming the industry through AI technologies. The Principal Machine Learning Engineer will develop advanced multimodal technologies and mentor engineers to enhance AI-driven solutions for home buyers and real estate professionals.ResponsibilitiesLeverage frameworks like AgentSDK, and LangChain/LangGraph to design, prototype, and develop multi-agent systems that are capable of highly autonomous and context-aware interactionsLeverage advanced GenAI models including reasoning models, real-time voice API, etc, to build agentic prototypes and later on convert them into product-level agentic skills and deploy to usersHave the mentality of 'build, learn, and pivot', and hold the high bar of shipping into productionMentor and guide engineers in using the right technologies for agentic AI solutions and foster a culture of innovation and responsible AI usageDistill complex research findings and system designs into actionable insights for diverse audiences—including executivesRemain on the cutting edge of agentic AI emerging paradigms, driving product innovationServe as the focal point for applied science projects, driving alignment on timelines, and prioritizationContinuously refine processes for experimentation, A/B testing, and production rollouts to balance rapid innovation with reliability and responsible deploymentSkillsA master's degree or above, equivalent experience in Computer Science, Electrical Engineering, or a related field with emphasis on foundational LLM, agentic AI, reinforcement learning, AI planning, or natural language processing7+ years of hands-on work building large-scale, high-impact solutions—ideally in the most recent two years building agent-based systems, multi-agent collaboration, or similar paradigmsExperience developing dialogue systems capable of long conversations, multi-step reasoning, context-rich decision-makingExperience deploying and scaling AI services capable of handling hundreds of millions of daily interactions with high availability, low latency, and robust fault toleranceA track record of publishing high-impact research in top AI/ML venues is a big plusBenefitsIn addition to a competitive base salary this position is also eligible for equity awards based on factors such as experience, performance and location.Employees in this role will not be paid below the salary threshold for exempt employees in the state where they reside.This role has been categorized as a Remote position.“Remote” employees do not have a permanent corporate office workplace and, instead, work from a physical location of their choice, which must be identified to the Company.Zillow was named one of FORTUNE 100 Best Companies to Work For® in 2025, and included on the PEOPLE Companies That Care® 2025 list.Company OverviewZillow is an online real estate marketplace for finding and sharing information about homes, real estate, and mortgages. It is a sub-organization of Zillow Group. It was founded in 2005, and is headquartered in Seattle, Washington, USA, with a workforce of 5001-10000 employees. Its website is http://www.zillow.com.Company H1B SponsorshipZillow has a track record of offering H1B sponsorships, with 12 in 2026, 179 in 2025, 150 in 2024, 171 in 2023, 256 in 2022, 239 in 2021, 195 in 2020. Please note that this does not guarantee sponsorship for this specific role.