Principal Machine Learning Engineer, Agentic AI
AI summary of the role
Lead the development of large-scale, fault-tolerant multimodal agentic AI experiences for millions of Zillow users, including Voice AI and Deep Research.
What you’ll do
- 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 for trustworthy AI agents
- Lead complex, multi-team initiatives bridging applied research and scalable engineering
What you’ll bring
- Master's degree or above in Computer Science, Electrical Engineering, or related field with emphasis on building products using frontier multimodal LLMs
- 5+ years deploying large-scale ML models, with most recent 2-3 years building agent-based systems or multi-agent collaboration
- Experience developing engaging dialogue systems with long conversations, context-aware tool selection, and compliant response generation
- Experience building AI services handling hundreds of millions of daily interactions with high availability, low latency, and robust fault tolerance
Technologies
multimodal LLMs · Voice AI · Deep Research · LangGraph · Agents SDK · AutoGen · agent-based systems · dialogue systems · production ML infrastructure
About Zillow
Consumer real estate marketplace that pairs high-intent housing traffic with software, financing, rentals, and agent tools to make moving easier end to end.
Public · 5000+ people
Source and classification
Production engineering · Evidence for this classification:
About the team The Agentic AI team at Zillow is at the forefront of transforming the real estate industry by helping millions of people use AI assistants to find their next home. We aim to redefine the home shopping and transaction experience by providing an always-on assistant that integrates personalized user insights with Zillow’s knowledge. This lean, customer-focused team of engineers independently ships features and has the autonomy to move fast and make decisions. About the role As a Principal Machine Learning Engineer on the Agentic Artificial Intelligence team, you will get to: 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
More from the job description
About the team The Agentic AI team at Zillow is at the forefront of transforming the real estate industry by helping millions of people use AI assistants to find their next home. We aim to redefine the home shopping and transaction experience by providing an always-on assistant that integrates personalized user insights with Zillow’s knowledge. This lean, customer-focused team of engineers independently ships features and has the autonomy to move fast and make decisions. About the role As a Principal Machine Learning Engineer on the Agentic Artificial Intelligence team, you will get to: 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 This role has been categorized as a Remote position. “Remote” employe [... source excerpt omitted ...] 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 A track record of writing articles, patents, and publishing high-impact research is a strong plus Strong communication skills, with the ability to influence technical direction across teams and present to executive leadership Get to know us At Zillow, we’re reimagining how people move—through the real estate market and through their careers. As the most-visited real estate platform in the U.S., we help customers navigate buying, selling, financing and renting with greater [... source excerpt omitted ...] innovative, inclusive, and engaging culture where employees are empowered to grow. No matter where you sit in the organization, your work will help drive innovation, support our customers, and move the industry—and your career—forward, together. Zillow Group is an equal opportunity employer committed to fostering an inclusive, innovative environment with the best employees. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please contact your
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