Staff Machine Learning Engineer, Homefeed
Core
Building agentic AI systems (Reflex) to automate recommendation research and development, including LLM agents for hypothesis generation, implementation, and evaluation, plus generative retrieval models (Semantic IDs).
Role type
Staff Machine Learning Engineer (Agentic AI & Recommendation Systems)
Builds
Automated research agents, generative retrieval models, and production recommendation systems
Domain
Internet / Recommendation Systems / Agentic AI
Deliverable
production ML models
Required skills
LLM agents, agentic AI systems, recommendation systems, generative retrieval, Semantic IDs, ML fundamentals, software engineering, technical leadership, research-to-production, rigorous evaluation
Preferred skills
Applied LLMs, representation learning, ML systems, mentoring
Technologies
LLMs, Semantic IDs, ML infrastructure
Responsibilities
Own and advance automated recommendation research; Build LLM agents for the full research lifecycle; Develop rigorous evaluations for agent behavior; Contribute to generative retrieval and Semantic ID learning; Take prototypes to production; Build reliable ML infrastructure integrations; Mentor engineers and raise technical quality.
Seniority
Staff, hands-on IC with technical leadership
