Principal Software Engineer

Zoom Info 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.

We are seeking an experienced Principal Software Engineer to lead the design and development of Zoom Info’s customer-facing Graph

QL API platform
, built on top of our industry-leading Go-to-Market (GTM) data assets.

You will be a technical anchor for a collaborative engineering team, setting architectural direction for how enterprise customers and partners programmatically access the world’s most comprehensive B2B intelligence. This is a high-impact individual contributor leadership role where your decisions directly shape platform quality, scalability, and customer success.

• Architect, design, and own the end-to-end development of Zoom Info's customer-facing Graph
  
  QL APIs, ensuring high availability, low latency, and developer-friendly experiences.
• Define schema design standards, versioning, deprecation, and backward-compatible evolution across product surfaces.
• Work with product managers and data engineers to expose Zoom Info's GTM data assets (Big Table, Big Query, Solr) through well-structured, queryable API surfaces.
• Implement and enforce API security, OAuth 2.0, JWT, RBAC, rate limiting, and query complexity controls.
• Maintain production reliability through CI/CD pipelines (Jenkins, ArgoCD) and observability practices using Datadog.
• Use AI tooling (Claude, Git Hub Copilot) as part of your daily workflow and help the team do the same responsibly.
• Lead code and design reviews, mentor senior engineers, and contribute to the engineering roadmap.

• Deep Graph
  
  QL expertise: schema design, resolvers, federation, subscriptions, and performance optimization.
  
  Experience with Graph
  
  QL Yoga or Apollo Server (transferable skills).
• Strong Node.js and Type Script skills for API services and developer tooling;
  Go experience for backend and infrastructure work.
• Experience securing customer-facing APIs, OAuth 2.0, JWT, fine-grained authorization, rate limiting.
• Familiarity with large-scale data systems; exposure to Big Table, Big Query, or Solr is a plus.
• Experience building developer-facing SDKs or API tooling. You think about the API consumer, not just the implementation.
• Familiarity with AI coding tools (Claude, Git Hub Copilot); experience with AI Agents or MCP tooling is a bonus.
• Clear communicator who can drive technical decisions and bring along both engineering and non-engineering stakeholders.

• 8+ years of software engineering experience, with a focus on production-grade, customer-facing APIs at scale.
• Prior experience owning a developer-facing API platform at a SaaS or data company.
• Bachelor's or advanced degree in Computer Science, Engineering, or a related field.

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 Zoom Info benefits here.

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

$163,800 — $257,400 USD

Zoom Info (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.

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