ZoomInfo

Principal Applied AI Engineer - Entity Agents

ZoomInfo
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4 hours ago
Remote, United StatesStaff+
H1B sponsor

Base Salary

$172k - $270k/yr

Responsibilities

  • Build and operate scheduled benchmark, judge, golden-gate, scorecard, cost, variance, and drift systems for production agent releases.
  • Complete entity-agent pipeline stages including enricher fan-out, location sets, hierarchy batch files, shared-runner migration, throughput measurement, and unit-cost instrumentation.
  • Build replayable evidence adapters for registries, live web, mail-tenant signals, and external research vendors with measured lift, source coverage, and vendor kill switches.
  • Deploy company and contact agents onto the ZoomInfo Agentic Platform, including ingest adapters, bulk intake, rollback paths, and synchronized implementations.
  • Create review queues, tagging tools, blast-radius viewers, and batch runners that researchers and product managers can use without engineering support.
  • Own the health and deployment of classifiers, the agents hub, and judge platform while instrumenting cost, latency, quality, and operational alerts.

Requirements

  • 5+ years of software engineering experience, including at least 2 years shipping LLM-based systems to production with agent loops, tool use, retrieval, structured output, and evaluation harnesses.
  • Strong Python and TypeScript skills and comfort working across API layers, batch runners, and small internal web UIs.
  • Experience building replayable, idempotent, observable platforms and tools that other people operate, including adapters, runners, queues, or internal tools.
  • Working knowledge of data pipelines and entity resolution, including ingestion, matching, serving, false merges, and missed matches.
  • Experience taking prototypes to production while preserving their validated behavior through test sets and benchmarks.
  • Experience instrumenting cost and latency budgets for shipped systems.
  • Preferred experience with B2B company or contact data, identity or registry data, entity resolution at scale, Claude or comparable frontier models, agent frameworks, evaluation harnesses, internal agent platforms, AI-native startups, forward-deployed or applied AI teams, or data infrastructure companies.

Benefits

  • Comprehensive benefits and holistic mind, body, and lifestyle programs are offered.
  • The posting states that additional compensation such as bonus, commission, equity, and other benefits may apply.
ZoomInfo

About ZoomInfo

10,000+ employees

ZoomInfo builds a subscription go-to-market platform for B2B sales and marketing teams, combining company and contact data, intent signals, and sales engagement tools. Its products help organizations find prospects, align GTM motions, and automate outreach, and are used by more than 35,000 companies. The public company (NASDAQ: GTM; also traded in Frankfurt) is headquartered in Vancouver, Washington, and grew out of DiscoverOrg’s acquisition of ZoomInfo.

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