Senior Machine Learning Engineer

Zillow is a leading real estate platform that is transforming the industry through innovative AI solutions. They are seeking a Senior Machine Learning Engineer to develop large-scale AI experiences that enhance the home shopping process, ensuring trustworthy and responsible AI interactions for millions of customers.

Responsibilities:

• Develop large-scale, fault-tolerant multimodal agentic experiences that reach millions of customers
• Design and develop multiple agent interaction modes, including Voice AI and Deep Research
• Pioneer robust evaluation frameworks, tracing systems, and safety guardrails to ensure our highly-visible AI agents remain trustworthy and responsible
• Remain on the cutting edge of emerging agentic paradigms and convert them into tangible product innovation
• Lead complex, multi-team initiatives, bridging the gap between applied research and highly scalable engineering
• Distill complex research findings and AI system architectures into actionable insights for a diverse audience, including executives and cross-functional partner teams

Requirements:

• A master's degree or above, or equivalent experience in Computer Science, Electrical Engineering, or a related field, with emphasis on building products using frontier multimodal LLMs
• 5+ years of experience with a proven track record of deploying large-scale ML models, with the most recent 2-3 years building agent-based systems, multi-agent collaboration, or similar paradigms
• Experience developing engaging dialogue systems capable of long conversations, context-aware tool selection, and compliant response generation
• Experience building AI services capable of handling hundreds of millions of daily interactions with high availability, low latency, and robust fault tolerance
• Familiarity with various agentic AI frameworks, such as LangGraph, Agents SDK, AutoGen, and production ML infrastructure
• Strong communication skills, with the ability to influence technical direction across teams and present to executive leadership
• A track record of writing articles, patents, and publishing high-impact research is a strong plus