Senior Software Engineer

Role summary:
Build, evolve, and operate scalable web applications for ZoomInfo. You’ll work primarily with React, TypeScript, JavaScript, HTML, and CSS to deliver high-quality user experiences, while also collaborating with backend services and contributing to Node.js-based integrations where needed. The role requires a strong focus on performance, reliability, maintainability, and clean engineering practices.

What you’ll do:

• Design, build, and maintain scalable, high-quality web applications using React, TypeScript, JavaScript, HTML, and CSS
• Translate product and UX requirements into clean, reusable, and maintainable frontend architecture and components
• Build reusable UI components and shared libraries with a focus on consistency, accessibility, and performance
• Integrate frontend applications with REST/GraphQL APIs and work with backend engineers to ensure robustness, security, and data consistency
• Contribute to Node.js-based backend integrations and APIs where needed, especially for frontend-facing use cases
• Optimize application performance through lazy loading, code splitting, caching, rendering improvements, and debugging production issues
• Write production-ready code with unit/integration tests; participate in code reviews and maintain strong engineering standards
• Investigate and resolve issues reported in production, ensuring high availability and a smooth user experience
• Work with CI/CD pipelines, containerized environments, and cloud-based deployments in collaboration with platform/backend teams
• Mentor junior engineers and contribute to shared frontend standards, best practices, and technical design discussions

What you bring:

• 7+ years of software engineering experience, including strong hands-on experience building frontend applications with React and TypeScript
• Strong proficiency in JavaScript, TypeScript, HTML, CSS, and modern frontend development practices
• Solid understanding of frontend architecture, state management, component design, performance optimization, and responsive UI development
• Experience integrating with RESTful APIs and/or GraphQL APIs in production systems
• Working knowledge of Node.js and ability to contribute to lightweight backend/API development when needed
• Strong understanding of frontend testing practices, including unit and integration testing
• Experience debugging production issues and improving application performance, reliability, and maintainability
• Familiarity with containerization and cloud environments such as Docker, Kubernetes, AWS, or GCP
• Good understanding of secure coding practices, authentication/authorization flows, and general web security principles
• Strong collaboration and communication skills; ability to work independently and deliver high-quality results in a fast-paced environment
• Experience mentoring junior engineers and contributing to planning, design, and execution of work

Nice to have:

• Experience with Next.js or other modern React frameworks
• Familiarity with Node.js/TypeScript backend frameworks such as NestJS or Express
• Experience with design systems, shared component libraries, and accessibility standards
• Exposure to observability tools such as Datadog, OpenTelemetry, Grafana, or similar
• Experience with CI/CD tools such as GitHub Actions, Jenkins, or GitLab
• Familiarity with feature flags, API gateways, rate limiting, and frontend performance monitoring
• Experience working on large-scale SaaS products or data-heavy applications

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