Principal Machine Learning Engineer, Agentic AI

Zillow

100d • $199,000 - $318,000

About The Position

Zillow is looking for a Principal Machine Learning Engineer on the Agentic AI team to develop advanced multimodal foundational technologies. They will be hands-on in prototyping ideas, evaluating, and deploying models to Zillow's highly scalable infrastructure platforms. They’ll be developing perception and language understanding, deep reasoning, and reinforcement learning to handle AI agent decision-making. As a Principal Machine Learning Engineer on the Agentic AI team, you will 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. You will also leverage advanced GenAI models including reasoning models, real-time voice API, etc., to build agentic prototypes and later convert them into product-level agentic skills and deploy to users. This role has been categorized as a Remote position, allowing employees to work from a physical location of their choice within the U.S.

Requirements

• A master's degree or above in Computer Science, Electrical Engineering, or a related field.
• 7+ years of hands-on work building large-scale, high-impact solutions.
• Experience developing dialogue systems capable of long conversations and multi-step reasoning.
• Experience deploying and scaling AI services capable of handling hundreds of millions of daily interactions.

Nice To Haves

• A track record of publishing high-impact research in top AI/ML venues.

Responsibilities

• Leverage frameworks like AgentSDK, and LangChain/LangGraph to design, prototype, and develop multi-agent systems.
• Build agentic prototypes using advanced GenAI models and convert them into product-level agentic skills.
• Mentor and guide engineers in using the right technologies for agentic AI solutions.
• Distill complex research findings and system designs into actionable insights for diverse audiences.
• Drive product innovation by remaining on the cutting edge of agentic AI emerging paradigms.
• Serve as the focal point for applied science projects, driving alignment on timelines and prioritization.
• Refine processes for experimentation, A/B testing, and production rollouts.

Benefits

• Comprehensive medical, dental, vision, life, and disability coverages.
• Parental leave and family benefits.
• Retirement contributions.
• Paid time off.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: Master's degree
• Number of Employees: 251-500 employees