Machine Learning Engineer
Core
Building intelligence for ZoomInfo AI agents by extending the B2B data graph, resolving entity identity, and inferring buying intent from noisy multilingual text.
Role type
Senior IC Machine Learning Engineer (Data Graph & AI Agents)
Builds
ZoomInfo's B2B data graph, AI agents, and propensity scoring systems
Domain
B2B Data Intelligence, Knowledge Graphs, Large Language Models
Deliverable
production ML models
Required skills
Classical machine learning, statistics, language processing at scale, LLM agents, production Python, SQL, distributed data processing
Preferred skills
Ranking and retrieval, propensity modeling, entity resolution, open-weight model training, adversarial defense
Technologies
PyTorch, gradient-boosted trees, regression, quantization, LLM judges
Responsibilities
Extend data graph into long-tail companies, predict headcount/revenue, resolve entity identity, infer buying intent, build research agents, distill large models
Seniority
Senior, hands-on IC with technical leadership