Principal Software Engineer - AI Platform - PA172

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You'll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact and a culture that backs your ambition, you won't just contribute. You'll make things happen–fast.

What You'll Do

You'll be joining a highly interdisciplinary team transforming the core of Zoominfo's business. Collaborating with PMs, designers, and engineers you will rapidly drive innovation by building intelligent systems that power cutting edge user experiences, create valuable insights for our customers, and drive revenue growth. You'll design and deploy novel multi-agent systems that collaborate to solve complex problems implementing communication patterns, memory structures, and orchestration logic that enable agents to reason, plan, and act effectively.

In addition to deploying scalable, observable, cost-efficient production AI services, you'll be working with leading LLM technologies to build an agentic AI platform that multiplies your impact across teams.

Your work will enable teams across the organization to compose, evaluate, and deploy intelligent agents, accelerating time-to-market for new features and delivering business impact.

What You'll Bring

Technical Excellence

• Strong Python skills. You prototype quickly and deliver maintainable, production-grade systems.
• Solid data skills. You explore datasets, form hypotheses, and execute projects that leverage data through enrichment, transformation, or generative AI techniques.
• Experience building LLM-powered agentic systems using frameworks such as LangChain, LangGraph, or custom orchestration layers.
• Understanding of context retrieval, grounding, compression techniques to optimize reasoning performance, vector databases, embedding stores, and retrieval-augmented generation (RAG) architectures.
• Experience quantif