Senior Backend Engineer – Node.js Microservices

Zoominfo; Bethesda (MD); On-site; USD 150,000 - 210,000; Full time

Job summary

ZoomInfo is seeking a Senior Backend Software Engineer on the Apps team to design, build, and scale core backend services with Node.js. You will develop robust APIs and microservices, optimize performance, and mentor peers in a collaborative, blast-free environment.

You will work across cross-functional teams, leverage AI-powered tooling to accelerate development, and contribute to key architectural decisions while delivering high-impact features at scale.

Qualifications

• Experience designing and building scalable backend services using Node.js.
• Ability to architect microservices handling high-volume traffic and complex logic.
• Experience collaborating with cross-functional teams to ship features.
• Familiarity with production systems, debugging distributed architectures.
• Mentorship and code review experience, including AI-assisted workflows.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs using Node.js and related frameworks
• Architect and implement microservices that handle high-volume traffic and complex business logic
• Leverage AI-powered development tools (such as Claude, Cursor, GitHub Copilot) to accelerate development, improve code quality, and solve complex technical challenges
• Collaborate with cross-functional teams to define, design, and ship new features
• Optimize application performance, scalability, and reliability
• Write clean, maintainable, and well-tested code following best practices
• Participate in code reviews and mentor junior engineers on modern development practices, including effective use of AI assistance tools
• Troubleshoot and resolve production issues in distributed systems
• Contribute to technical architecture decisions and system design

Skills

Node.js

Microservices

APIs

Code reviews

AI tools

Java

Tools

Claude

Cursor

GitHub Copilot

Job description

ZoomInfo is seeking a Senior Backend Software Engineer on the Apps team to design, build, and scale core backend services with Node.js. You will develop robust APIs and microservices, optimize performance, and mentor peers in a collaborative, blast-free environment.

You will work across cross-functional teams, leverage AI-powered tooling to accelerate development, and contribute to key architectural decisions while delivering high-impact features at scale.