First seen by Alion on Nov 6, 2026. ZoomInfo scores B on the Alion truth index.
We are seeking a passionate and tech-savvy Senior Software Engineer to join our engineering organization. You will be responsible for designing, developing, and maintaining high-performance backend services that power ZoomInfo's core products and platforms. We foster a culture that is self-driven, inquisitive, open, and customer-focused.
The ideal candidate is a seasoned engineer with a deep understanding of modern server-side technologies, distributed systems, and cloud infrastructure. They possess strong skills in building modular, maintainable, and scalable backend services with an emphasis on performance, reliability, and security, combined with a strong sense of ownership, ambiguity tolerance, speed of execution, and collaboration.
Responsibilities:
- Design, develop, and maintain high-performance backend services capable of handling millions of requests daily.
- Work with TypeScript, JavaScript, and Node.js to build and optimize backend applications.
- Manage and optimize data storage solutions using SQL and NoSQL databases, ensuring efficient and reliable data access.
- Build and operate event-driven systems and real-time processing pipelines using Kafka and streaming technologies.
- Deploy, operate, and troubleshoot services in cloud environments.
- Utilize RESTful APIs and other communication protocols for seamless integration.
- Conduct thorough code reviews to maintain high-quality standards across the codebase.
- Mentor junior engineers through pairing, code reviews, and technical guidance.
- Collaborate with other engineers and cross-functional teams to solve complex and intriguing problems.
- Contribute to the continuous improvement of our technology stack, CI/CD pipelines, and development processes.
Requirements:
- 7+ years of professional software engineering experience (post B. E. degree or equivalent).
- Strong backend development experience with Node.js, TypeScript, and JavaScript.
- Proficiency in working with both SQL and NoSQL database systems.
- Experience with Kafka or similar data streaming platforms.
- Experience building and deploying scalable SaaS applications in cloud environments.
- Solid understanding of distributed systems, microservices, and asynchronous processing.
- A strong sense of ownership, growth mindset, comfort with ambiguity, and intellectual curiosity.
- Strong interpersonal and communication skills, with the ability to collaborate effectively across teams and mentor junior engineers.
- A drive to find pragmatic, innovative solutions to technical challenges with a strong bias for action and speed of execution.
Preferred qualifications:
- Experience with Python.
- Experience building LLM-powered applications or AI agents or using evaluation platforms like LangSmith.
- Experience with GraphQL, gRPC, or containerization tools like Docker and Kubernetes.
- Background in SaaS, B2B, sales intelligence, marketing technology, or data products.
Skills
JavaScript, Kafka, Node.js, TypeScript

