ZoomInfo

Senior Machine Learning Engineer

ZoomInfo
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20 days ago
Remote, WorldwideSenior
H1B Sponsor

Base Salary

$165k - $259k/yr

Responsibilities

  • Build scalable recommendation systems using embeddings, two-tower architectures, graph structures, search, and scoring.
  • Fine-tune, customize, and deploy multilingual embedding models and architect vector search solutions for clustering and classification.
  • Build and manage MLOps and LLMOps infrastructure for model training, evaluation, deployment, monitoring, experimentation, and high availability.
  • Design agentic systems and evaluation frameworks for web extraction, NER, entity resolution, and data-quality improvement.
  • Build and scale MCP servers and integrate them across data, application, API, and product ecosystems.
  • Own production workflows end to end and translate business requirements into scalable ML solutions with Product Management and engineering teams.

Requirements

  • 6+ years of hands-on ML/NLP experience, or 3+ years of experience after a PhD or Master’s degree.
  • At least two delivered, revenue-impacting products in production environments.
  • Expertise in transformer architectures, prompt engineering, RAG systems, vector information retrieval, and context engineering.
  • Experience architecting and deploying scalable distributed systems and production microservices with observability and monitoring.
  • Strong applied research capabilities with PyTorch or TensorFlow and software-engineering proficiency in Python.
  • Familiarity with open-weight LLMs, embedding models, and vector search technologies.
  • Executive communication skills and the ability to own strategy, budget, and cross-functional collaboration.
  • Experience using Claude Code, Codex, or Cursor in engineering workflows is expected.

Benefits

  • Hybrid work arrangement.
  • Comprehensive employee benefits and holistic mind, body, and lifestyle well-being programs.
  • Additional compensation such as bonus, commission, and equity may apply.
  • ZoomInfo may use a software-based assessment during recruitment.

Tech Stack

PythonPyTorchTensorFlow
ZoomInfo

About ZoomInfo

1,001-5,000 employees

ZoomInfo (NASDAQ: GTM) is the go-to-market platform that helps businesses find, acquire and grow their customers. ZoomInfo delivers accurate, real-time data, insights, and technology to more than 35,000 companies worldwide. Businesses use our data and platform to increase efficiency, align sales and marketing teams, and consolidate technology stacks. We are a recognized leader in data privacy, with industry-leading GDPR and CCPA compliance and numerous data security and privacy certifications. For more information about how ZoomInfo helps customers unlock insights, engage customers, and win faster visit: www.zoominfo.com Specialties: GTM platform, GTM strategy, sales intelligence, conversation intelligence, marketing intelligence, sales engagement, contact data, intent data, lead generation, improved prospecting, business information, business contacts, account-based marketing (ABM), data accuracy, database hygiene, and data orchestration.

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