Senior Backend Engineer – Scalable Node Microservices

Zoominfo; Bethesda (MD); On-site; USD 150,000 - 190,000; Full time

Job summary

ZoomInfo is seeking a Senior Backend Software Engineer on the Apps team to design and scale core backend services using Node.js. You will build scalable microservices, optimize performance, and contribute to architecture decisions in a collaborative, blame-free environment.

You’ll mentor junior engineers, participate in code reviews, and leverage AI tools to accelerate delivery while supporting a high-traffic platform that serves millions of users.

Qualifications

• Strong experience building backend services with Node.js.
• Experience designing scalable microservices architectures.
• Familiarity with cloud and distributed systems.
• Ability to mentor junior engineers.

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.
• 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 AI tools.
• Troubleshoot and resolve production issues in distributed systems.
• Contribute to technical architecture decisions and system design.

Skills

Node.js

Java

Microservices

APIs

Code reviews

Mentorship

Tools

Claude

Cursor

GitHub Copilot

Job description

ZoomInfo is seeking a Senior Backend Software Engineer on the Apps team to design and scale core backend services using Node.js. You will build scalable microservices, optimize performance, and contribute to architecture decisions in a collaborative, blame-free environment.

You’ll mentor junior engineers, participate in code reviews, and leverage AI tools to accelerate delivery while supporting a high-traffic platform that serves millions of users.