Senior Real-Time AI Systems Architect (Remote)

Zoominfo; Bethesda (MD); On-site; USD 164,000 - 257,000; Full time

Job summary

ZoomInfo is seeking a Principal Engineer to design and implement core systems powering our real-time marketing platform. You will work on high-throughput ad infrastructure, identity resolution, and AI-enhanced insights, with opportunities to lead technical initiatives and mentor teammates.

You'll join a fast-growing team focused on scaling event processing, pipelines, and intelligent decision-making across advertisements and buyer intent, while collaborating with product managers and data

Qualifications

• 8+ years of backend, data, or infrastructure engineering experience, or equivalent impact and leadership.

Responsibilities

• Design and build distributed systems that process, enrich, and respond to billions of behavioral events per day in real time.
• Develop high-performance APIs and services that support advertising, identity, and intent features across the Marketing Platform.
• Leverage machine learning and large language models (LLMs) to analyze behavioral data, classify content, extract signals, and enable intelligent decision-making.
• Build intelligent agents using frameworks like LangGraph or MCP to reason over data and power user-facing insights.
• Design and operate data pipelines using tools like Kafka, Kinesis, and ClickHouse to support both streaming and batch workloads.
• Drive quality, performance, scalability, and observability across all systems you own.
• Collaborate cross-functionally with product managers, data scientists, and engineers to deliver customer-facing features and internal tooling.
• Contribute to technical leadership and mentorship of teammates

Skills

Distributed systems

Big data

Applied AI/ML

Java

Go

Python

SQL

Tools

ClickHouse

DynamoDB

Bigtable

Memcached

Kafka

Kinesis

Firehose

Airflow

Snowflake

Job description

ZoomInfo is seeking a Principal Engineer to design and implement core systems powering our real-time marketing platform. You will work on high-throughput ad infrastructure, identity resolution, and AI-enhanced insights, with opportunities to lead technical initiatives and mentor teammates.

You'll join a fast-growing team focused on scaling event processing, pipelines, and intelligent decision-making across advertisements and buyer intent, while collaborating with product managers and data