Software Engineer III

ZoomInfo Technologies LLC · Waltham, Massachusetts, United States · Engineering

Posted 2026-10-17

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You will help build the systems that connect ZoomInfo's platform to the CRM and marketing automation tools our customers rely on every day, including Salesforce, HubSpot, and Microsoft Dynamics 365. As a Software Engineer III on the Integrations team, you will contribute to backend services that power reliable, real-time data sync across millions of records, using Node.js, NestJS, Kafka, and modern API standards. You will work alongside senior engineers and tech leads who will mentor you as you deepen your expertise in distributed systems and grow toward broader ownership.

What You'll do:

Build backend integration services and features using Node.js (NestJS), with guidance from senior engineers

Implement connectivity, data ingestion, and export logic between ZoomInfo's data layer and third-party platforms

Develop reliable job execution patterns, including retries and basic state management, within larger orchestrated workflows

Create and maintain APIs and internal services that integrate with external systems, following established patterns

Add logging, metrics, and tracing so your services are observable and easy to troubleshoot

Write clean, tested code and take part in code reviews, both giving and receiving feedback

Own small-to-medium features end to end, partnering with product and platform teams to clarify integration use cases

Troubleshoot production issues and contribute incremental reliability improvements, escalating when scope exceeds your ownership

What you bring:

Must-Have

Bachelor's degree in Computer Science or a related field, or equivalent experience

5+ years of software engineering experience, with a growing focus on backend systems

Working experience with Node.js

Familiarity with REST API design, including request/response patterns, status codes, and error handling

Strong communication skills and comfort collaborating with technical and non-technical partners

Preferred

Exposure to NestJS or Java (Spring Boot)

Experience integrating with external APIs or CRM/MAP platforms

Understanding of authentication and authorization concepts (OAuth 2.0, JWT)

Exposure to NoSQL or relational databases (MongoDB, PostgreSQL, MySQL)

Interest in distributed systems concepts such as queues, event-driven patterns, and eventual consistency

The US base salary range for this position is $XXX,XXX - $XXX,XXX + variable compensation + benefits.

Actual compensation offered will be based on factors such as the candidate’s work location, qualifications, skills, experience and/or training. Your recruiter can share more information about the specific salary range for your desired work location during the hiring process.

We want our employees and their families to thrive. In addition to comprehensive benefits we offer holistic mind, body and lifestyle programs designed for overall well-being. Learn more about ZoomInfo benefits here.

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Actual compensation offered will be based on factors such as the candidate’s work location, qualifications, skills, experience and/or training. Your recruiter can share more information about the specific salary range for your desired work location during the hiring process. We want our employees and their families to thrive.

In addition to comprehensive benefits we offer holistic mind, body and lifestyle programs designed for overall well-being. Learn more about ZoomInfo benefits here.

Below is the US base salary for this position. Additional compensation such as Bonus, Commission, Equity and other benefits may also apply.

$112,000—$176,000 USD

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