Note: The job is a remote job and is open to candidates in USA. Zillow is a real estate platform that helps customers navigate buying, selling, financing, and renting. The Principal Machine Learning Engineer will build large-scale multimodal agentic AI experiences, develop interaction modes such as Voice AI and Deep Research, and lead evaluation, safety, and scalable engineering initiatives. The role also bridges applied research and engineering while communicating complex AI architectures to executives and cross-functional teams.
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
Skills
- 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
Benefits
- 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. U.S. employees may live in any of the 50 United States, with limited exceptions.
- In addition to a competitive base salary this position is also eligible for equity awards based on factors such as experience, performance and location.
Company Overview
Company H1B Sponsorship