Member of Technical Staff (Machine Learning Engineer, Search & Agents)
Core
Building and shipping ML systems for AI search, reasoning, and multi-agent coordination to solve complex problems.
Role type
Senior IC Machine Learning Engineer (Search & Agents)
Builds
LLM post-training methods, multi-agent systems, agent harnesses, and retrieval/ranking models
Domain
Artificial Intelligence, Search, Multi-Agent Systems
Deliverable
production ML models
Required skills
LLM post-training, reinforcement learning, search and retrieval, multi-agent training, system design, experimentation infrastructure
Preferred skills
tool use training, distributed training systems, scalable inference infrastructure, large-scale ranking systems
Responsibilities
Develop LLM post-training methods including reinforcement learning; Train and evaluate multi-agent systems; Design and build agent harnesses; Improve retrieval and ranking models; Build datasets, reward signals, and evaluations; Own experiments end to end from hypothesis to deployment
Seniority
Senior, hands-on IC