Machine Learning Engineer - AI-Powered B2B Data Graph & Agents

ZoomInfo; Boston (MA); On-site; USD 128,000 - 201,000; Full time

Job summary

ZoomInfo is a leading Go-To-Market Intelligence platform. The company offers an environment to own ML outcomes end-to-end, extending a large data graph and resolving entity identity at scale, while inferring buying intent from multilingual text.

The role emphasizes production ML, feature engineering on messy data, and robust evaluations with scalable, cost-aware models and mentoring within the team.

Qualifications

• Experience taking ML systems to production and owning them after launch.
• Classical ML expertise beyond LLMs, with feature engineering on large tabular data.
• Statistics for experimental design and calibrated scores under class imbalance.
• Production Python and SQL with distributed data processing; using AI coding tools with review.

Responsibilities

• Extend ZoomInfo's data graph into the long tail of companies and extract leadership, locations, and products.
• Predict headcount and revenue for under-documented companies using gradient-boosted trees and regression.
• Determine if two records describe the same company or person, minimizing merges/splits.
• Infer buying intent from multilingual, noisy text for AI-driven recommendations.
• Build agents that research companies and cite sources with robust evaluation.
• Distill large models to smaller ones and ensure cost-efficient deployment.

Skills

Production ML

Python

SQL

Distributed data

Lang models

Tools

PyTorch

Job description

ZoomInfo is a leading Go-To-Market Intelligence platform. The company offers an environment to own ML outcomes end-to-end, extending a large data graph and resolving entity identity at scale, while inferring buying intent from multilingual text.

The role emphasizes production ML, feature engineering on messy data, and robust evaluations with scalable, cost-aware models and mentoring within the team.