Senior Backend Engineer – Java/Node, Kafka, Cloud

ZoomInfo Technologies LLC; United States; Hybrid; USD 120,000 - 160,000; Full time

Job summary

ZoomInfo is seeking a highly skilled mid-level Backend Engineer to join the DAAS team in Waltham, MA. You will design, develop, and maintain backend systems with Java and Node.js, and build scalable architectures using Kafka and cloud technologies.

You will collaborate with cross-functional teams to deliver features and improve performance. The ideal candidate has 2+ years in backend with Java/Node.js or 4+ years with a CS degree, plus experience with SQL Server or MongoDB and RESTful APIs.

Qualifications

• Masters in Computer Science or BS with 4+ years backend experience.
• 2+ years as Backend Software Engineer with Java/Node.js, or 4+ years with CS degree.
• Experience with SQL Server and/or MongoDB and data modeling.
• Familiarity with designing, building, and maintaining RESTful APIs.
• Knowledge of SOLID, patterns, and unit testing practices.
• Experience with logging, monitoring, and alerting tools.
• Strong problem-solving and debugging skills; proactive thinker.
• Collaborative mindset across customer support, product, and engineering.

Responsibilities

• Design, develop, and maintain backend systems using Java and Node.js frameworks like NestJS.
• Build scalable systems using event streaming technologies like Kafka.
• Collaborate with cross-functional teams to implement features for the platform.
• Refactor and improve existing codebases for performance and maintainability.
• Develop RESTful APIs following best practices and design patterns.
• Work with cutting-edge cloud technologies.
• Solve challenging problems with a great team and learn new skills.
• Push knowledge and technology to new levels through iteration.

Skills

Java

Node.js

NestJS

SQL Server

MongoDB

RESTful APIs

SOLID principles

Unit testing

Logging/Monitoring

Problem-solving

Education

Masters in Computer Science

Bachelors in Computer Science

Tools

Kafka

Docker

Kubernetes

AWS

GCP

ECS

Job description

ZoomInfo is seeking a highly skilled mid-level Backend Engineer to join the DAAS team in Waltham, MA. You will design, develop, and maintain backend systems with Java and Node.js, and build scalable architectures using Kafka and cloud technologies.

You will collaborate with cross-functional teams to deliver features and improve performance. The ideal candidate has 2+ years in backend with Java/Node.js or 4+ years with a CS degree, plus experience with SQL Server or MongoDB and RESTful APIs.