Software Engineer III

Posted 3 Days Ago
Be an Early Applicant
Waltham, MA, USA
Hybrid
112K-176K Annually
Senior level
Big Data • Information Technology • Machine Learning • Sales • Software • Database • Generative AI
The go-to-market platform to find, acquire, and grow customers.
The Role
Build and maintain backend integration services connecting ZoomInfo with CRM and marketing automation platforms. Develop data ingestion, export, APIs, workflow execution, retries, observability, and reliability improvements using Node.js, NestJS, Kafka, and REST standards. Own small-to-medium features, collaborate with product and platform teams, participate in code reviews, troubleshoot production issues, and contribute to distributed systems supporting real-time data synchronization.
Summary Generated by Built In

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.

#LI-LM1

#LI-Hybrid

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.

Skills Required

  • 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 and response patterns, status codes, and error handling
  • Strong communication skills and comfort collaborating with technical and non-technical partners
  • Exposure to NestJS or Java Spring Boot
  • Experience integrating with external APIs or CRM and marketing automation platforms
  • Understanding of OAuth 2.0 and JWT authentication and authorization concepts
  • Exposure to MongoDB, PostgreSQL, or MySQL
  • Interest in distributed systems concepts, including queues, event-driven patterns, and eventual consistency

ZoomInfo Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ZoomInfo and has not been reviewed or approved by ZoomInfo.

  • Healthcare Strength — Benefits include comprehensive medical, dental, and vision coverage, plus mental health, transgender healthcare, wellness programs, gym reimbursement, and notable fertility assistance. Healthcare options are often described as competitive and a prominent strength of the total rewards.
  • Parental & Family Support — Programs include generous parental leave, childcare assistance, Care.com access, and substantial adoption and surrogacy support. Family-forming benefits and leave policies indicate robust support for different life stages.
  • Leave & Time Off Breadth — Salaried employees receive unlimited time off alongside paid holidays, flexible time off, wellness days, and bereavement leave. Unlimited PTO is described as genuinely usable in some roles and a meaningful component of the package.

ZoomInfo Insights

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The Company
HQ: Vancouver, WA
3,500 Employees
Year Founded: 2007

What We Do

ZoomInfo is the go-to-market (GTM) platform for businesses development and revenue growth. Powered by real-time data and insights, our unified engagement platform helps sales and marketing teams find, acquire, and grow customers.

Why Work With Us

ZoomInfo is where the world’s brightest minds in Data and Go-To-Market come together to do their best work. We’re a founder-led organization that recognizes your success with 2x the career mobility of our SaaS peers. Being action-oriented, resourceful, and resilient will not only help you fit in, it will help you thrive.

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