Software Engineer III

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.

As a Software Engineer III, you will get to explore and work with cutting-edge technologies and a large and rich data set. If you like working on tough problems, whether that’s building systems that handle millions of customer requests a day or how to make sense of over a billion pieces of potentially correlated data, ZoomInfo is the right place for you.

What You'll do:

• Design, develop and maintain high quality services and UIs, adhering to best practices and coding standards
• Collaborate with other team members and stakeholders to contribute to the design and evolution of the services architecture, ensuring scalability, reliability and performance
• Create robust RESTful APIs and integrate with external services, ensuring data consistency and security
• Work with various database systems, including SQL and NoSQL, to design efficient data models and access patterns for services
• Identify and address performance bottlenecks in the services, optimizing code and infrastructure as needed
• Use AI tooling such as Claude to optimize building, testing, and maintaining systems
• Write unit and integration tests and participate in code reviews to maintain code quality and reliability
• Investigate and resolve issues reported in production, providing timely solutions to ensure system availability
• Stay up-to-date with industry trends and best practices related to backend development and cloud technologies

What you bring:

• 4+ years of experience as a backend developer, with a strong focus on services development
• Strong experience with backend technologies. Node.js is preferred, Python, Java, or other similar languages are acceptable.
• Real life experience designing, building, and maintaining distributed microservices architectures in production environments.
• Strong operational ownership mindset, including monitoring, troubleshooting, and service reliability.
• Experience supporting high-traffic, high-throughput systems with strict availability and performance requirements.
• Hands-on experience with Google Cloud Platform (GCP) or other cloud platforms.
• Experience using AI tools to drive and optimize development
• Experience with event-driven and asynchronous architectures.
• Hands-on experience with messaging and streaming technologies such as Kafka.
• Strong understanding of system scalability, resilience, fault tolerance, and performance optimization.
• Experience with Angular and/or React FE frameworks
• Must be able to work independently and deliver excellent results in short timelines
• Ability to learn and understand existing systems in a short amount of time
• Strong problem-solving and debugging skills
• Excellent communication and collaboration skills
• Ability to thrive in a dynamic, fast-paced environment

Preferred Experience:

• Implementing monitoring, logging, alerting, and observability solutions a.

• Handling millions of daily events, requests, or messages.

• With infrastructure as code and CI/CD pipelines.

• Optimizing cloud infrastructure costs and performance.

• Designing highly available systems across multiple regions or environments.

• Kubernetes experience, including deployment, scaling, observability, and production operations.

What We Value

We prefer engineers who have personally owned production services and can discuss real-world examples of scaling systems, handling outages, improving reliability, performance optimization, and operating services under significant load.

#LI-SG2

#LI-Hybrid

About us:

ZoomInfo (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.

ZoomInfo is committed to protecting your privacy when you apply for jobs with us. Please review our Job Applicant Privacy Notice for more details on how we handle your personal information.

ZoomInfo may use a software-based assessment as part of the recruitment process. More information about this tool, including the results of the most recent bias audit, is available here.

ZoomInfo is proud to be an equal opportunity employer, hiring based on qualifications, merit, and business needs, and does not discriminate based on protected status. We welcome all applicants and are committed to providing equal employment opportunities regardless of sex, race, age, color, national origin, sexual orientation, gender identity, marital status, disability status, religion, protected military or veteran status, medical condition, or any other characteristic protected by applicable law. We also consider qualified candidates with criminal histories in accordance with legal requirements.

For Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. ZoomInfo does not administer lie detector tests to applicants in any location.