Senior Software Engineer - PA051

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 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.

About the Role:

As a Senior Backend Software Engineer on the Apps team, you'll be at the forefront of building and scaling ZoomInfo's core backend services. You'll work primarily with Node.js to develop robust, high-performance systems that power our platform and serve millions of users.
You'll design and implement scalable microservices, optimize existing systems, and build infrastructure that enables rapid feature development. Your expertise in Node.js will be essential, while knowledge of Java will provide valuable flexibility in our diverse technology ecosystem.
Our engineering culture values diversity, intellectual curiosity, problem-solving, and openness. We encourage collaboration, big thinking, and calculated risk-taking in a blame-free environment. You'll have the autonomy to work on meaningful projects while receiving the support and mentorship needed to grow your career.

What You'll Do:

• 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