Software Engineer III

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.

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

About us:

ZoomInfo (NASDAQ: GTM) is the Go-To-Market Intelligence Platform that empowers businesses to grow faster with AI-ready insights, trusted data, and advanced automation. Its solutions provide more than 35,000 companies worldwide with a complete view of their customers, making every seller their best seller.

ZoomInfo is committed to protecting your privacy when you apply for jobs with us. Please review our Job Applicant Privacy Notice for more details on how we handle your personal information.

ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here.

ZoomInfo is proud to be an equal opportunity employer, hiring based on qualifications, merit, and business needs, and does not discriminate based on protected status. We welcome all applicants and are committed to providing equal employment opportunities regardless of sex, race, age, color, national origin, sexual orientation, gender identity, marital status, disability status, religion, protected military or veteran status, medical condition, or any other characteristic protected by applicable law. We also consider qualified candidates with criminal histories in accordance with legal requirements.

For Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. ZoomInfo does not administer lie detector tests to applicants in any location.