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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Machine Learning Engineer - **Company:** Zhl Zillow Home Loans, Llc - **Location:** Los Angeles County, CA, United States (Remote available) - **Experience:** Experienced - **Salary:** $204,400.0 - $326,600.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Application Programming Interfaces (APIs), Artificial Intelligence, Fault Tolerance, Machine Learning, Natural Language Processing, Open Source Technology, Reinforcement Learning, System Availability, Large Language Models, Multi-Agent Systems, Generative AI, AI Platforms, Information Technology, Low Latency, Machine Learning Operations, Virtual Agents - **Published:** September 19, 2026 - **Apply:** https://startup.jobs/principal-machine-learning-engineer-agentic-ai-zhl-zillow-home-loans-llc-10108326 ## About the Role As a Principal Machine Learning Engineer, you are a roll-up-the-sleeves and get-it-done engineer who can marry state-of-the-art technology (i.e., LLM models, either from OpenAI or open source) with large-scale engineering. We are looking for someone who has: * 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. ## Description 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 * 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. ## Related Videos - [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application) - [You are not an AI developer](https://www.wearedevelopers.com/videos/1148-you-are-not-an-ai-developer) - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) - [This App Reached 10,000 Users in One Week. Here's How.](https://www.wearedevelopers.com/videos/100329-this-app-reached-10-000-users-in-one-week-here-s-how) - [Beyond Autocomplete: Local AI Code Completion Demystified](https://www.wearedevelopers.com/videos/961-beyond-autocomplete-local-ai-code-completion-demystified) - [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps) ## Related Articles - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it) - [Got AI ideas but no money? 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