Remote Principal ML Engineer, Agentic AI & Memory

ZINC Zillow, Inc.; United States; Remote; USD 199,000 - 335,000; Full time

Job summary

Zillow is seeking a Principal Machine Learning Engineer for the Agentic AI team. You will own agent memory architecture, lead context engineering for production agents, and build end-to-end agent systems from prompt design to deployment.

You will define evaluation frameworks, stay ahead of agentic paradigms, and lead multi-team initiatives while communicating technical direction to engineers and leadership. This role is remote within the United States.

Qualifications

• Master's degree or above in Computer Science, Electrical Engineering, or a related field is required.
• 5+ years of experience deploying large-scale ML systems, including at least the most recent year building and shipping LLM-based agents in production.
• Hands-on experience building agents end to end: orchestration, prompt engineering and optimization, and context engineering.
• Experience evaluating agentic systems and using those results to improve them.
• Proven technical leadership with influence across teams and mentoring engineers.
• Strong communication skills, including presenting to senior leadership.
• Strong programming skills in Python and familiarity with agentic AI frameworks such as LangGraph, Agents SDK, or AutoGen.

Responsibilities

• Own the architecture of agent memory and how memories are written, retrieved, updated, and retired.
• Lead context engineering for production agents by assembling and compressing context for relevance and cost-efficiency.
• Build and orchestrate agents end to end from design to deployment and operation in production.
• Define evaluation frameworks for memory and context quality, offline and online, and drive product decisions.
• Stay on the cutting edge of agentic paradigms and translate them into product innovations.
• Lead complex, multi-team initiatives and communicate technical direction clearly to engineers and leadership.

Skills

Python programming

Communication skills

Technical leadership

Agentic frameworks familiarity

Education

Master's degree or above in CS/EE or related field

Tools

LangGraph

Agents SDK

AutoGen

Job description

Zillow is seeking a Principal Machine Learning Engineer for the Agentic AI team. You will own agent memory architecture, lead context engineering for production agents, and build end-to-end agent systems from prompt design to deployment.

You will define evaluation frameworks, stay ahead of agentic paradigms, and lead multi-team initiatives while communicating technical direction to engineers and leadership. This role is remote within the United States.