Software Engineer Intern - Data Engineering

ZoomInfo Technologies LLC • Bethesda, MD

21h • $30 - $35 • Hybrid

About The Position

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.
Overview
Join ZoomInfo’s Data Engineering department as a Summer Intern to work on high-impact projects that power our go-to-market data products. You’ll join one of the two teams below to participate in real work using AI alongside experienced mentors, with a strong emphasis on data quality, reliability, and learning fast.
What you'll do
Option A: Person Data Team
Work hands-on with large-scale data pipelines, processing 400M+ contact records with a strong focus on analytics and data quality. You’ll help debug and improve complex datasets to ensure accuracy and reliability at scale. Java experience is required.
Option B: Data Engineering Team
Build operational agents that delivers company data to thousands of customers, with a strong focus on proactive data quality. You will develop LLM + vector database chatbots to analyze daily data changes, detect issues before they reach customers, and provide self-service architecture/troubleshooting support.

Requirements

• Undergraduate junior status (or graduating Jan–Aug 2027) in Computer Science.
• Strong programming fundamentals, required to pass a complex coding assessment.
• Clear communication, strong problem-solving, and comfort working in a fast-moving environment.
• Able to commute to Bethesda, MD or Waltham, MA (in office 4 days/week, 1 day WFH).
• Can commit to the program for the full 10 weeks, between June 1 – August 7, 2026.

Responsibilities

• Work hands-on with large-scale data pipelines, processing 400M+ contact records with a strong focus on analytics and data quality.
• Help debug and improve complex datasets to ensure accuracy and reliability at scale.
• Build operational agents that delivers company data to thousands of customers, with a strong focus on proactive data quality.
• Develop LLM + vector database chatbots to analyze daily data changes, detect issues before they reach customers, and provide self-service architecture/troubleshooting support.

What This Job Offers

• Career Level: Intern
• Education Level: No Education Listed