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.
Responsibilities
- Leverage frameworks like AgentSDK, and LangChain/LangGraph to design, prototype, and develop multi-agent systems that are capable of highly autonomous and context-aware interactions
- Leverage 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 users
- Have the mentality of 'build, learn, and pivot', and hold the high bar of shipping into production
- Mentor and guide engineers in using the right technologies for agentic AI solutions and foster a culture of innovation and responsible AI usage
- Distill complex research findings and system designs into actionable insights for diverse audiences—including executives
- Remain on the cutting edge of agentic AI emerging paradigms, driving product innovation
- Serve as the focal point for applied science projects, driving alignment on timelines, and prioritization
- Continuously refine processes for experimentation, A/B testing, and production rollouts to balance rapid innovation with reliability and responsible deployment
Skills
- A 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 processing
- 7+ 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 paradigms
- Experience developing dialogue systems capable of long conversations, multi-step reasoning, context-rich decision-making
- Experience deploying and scaling AI services capable of handling hundreds of millions of daily interactions with high availability, low latency, and robust fault tolerance
- A track record of publishing high-impact research in top AI/ML venues is a big plus
Benefits
- In 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 Overview
Zillow 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 Sponsorship
Zillow 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.