Senior Integrations Backend Engineer

ZoomInfo; Bethesda (MD); On-site; USD 140,000 - 220,000; Full time

Job summary

ZoomInfo is seeking a Senior Software Engineer on the Integrations team to design scalable backend services that connect ZoomInfo to CRM and MAP ecosystems like Salesforce, HubSpot, and Microsoft Dynamics 365. You will work with Kafka, Confluent Cloud, Node.js/NestJS, and Java Spring Boot to enable real-time data sync and reliable third‑party integrations.

You will lead feature development, mentor teammates, review code, and optimize performance while ensuring observability and high availability

Qualifications

• Bachelor's degree in Computer Science or related field, or equivalent experience.
• 5+ years of software engineering experience focused on backend systems.
• Strong experience with Java (Spring Boot) and/or Node.js (NestJS).
• Experience building integrations with CRM/MAP platforms like Salesforce, HubSpot, or Dynamics 365.
• Familiarity with no-code/low-code integration platforms (e.g., Fivetran, Zapier).

Responsibilities

• Design, build, and maintain scalable backend services using Node.js (NestJS). Java (Spring Boot) is a plus.
• Develop and manage our platform integrations layer, handling connectivity, data ingestion, and exports between ZoomInfo's data layer and third-party integrations.
• Design systems for reliable job execution, retries, state management, and long-running processes.
• Implement orchestration patterns for complex, multi-step business processes.
• Design and maintain APIs and internal services that integrate with external systems.
• Build observability into systems (logging, tracing, metrics) to monitor integration health and performance.
• Ensure high availability, fault tolerance, and scalability of backend systems handling large volumes of events.
• Optimize system performance, throughput, and latency across distributed systems.
• Troubleshoot and resolve production issues in complex, asynchronous systems.
• Lead medium to large-scale feature development, working independently while coordinating with cross-functional teams.
• Collaborate with product and platform teams to define integration requirements and execution guarantees (SLAs/SLOs).
• Participate in agile development processes, sprint planning, and technical discussions.
• Provide technical mentorship and conduct thorough code reviews to elevate team capabilities.
• Stay current with emerging technologies and evaluate new tools for potential adoption.
• Support production systems through monitoring, troubleshooting, and reliability improvements

Skills

Java (Spring Boot)

Node.js (NestJS)

API integrations

REST APIs

MongoDB

OAuth / JWT / SAML

Distributed systems

CI/CD

Agile methodologies

Mentorship

Education

Bachelor's degree in Computer Science

Tools

Kafka

Confluent Cloud

NestJS

Spring Boot

MongoDB

Job description

ZoomInfo is seeking a Senior Software Engineer on the Integrations team to design scalable backend services that connect ZoomInfo to CRM and MAP ecosystems like Salesforce, HubSpot, and Microsoft Dynamics 365. You will work with Kafka, Confluent Cloud, Node.js/NestJS, and Java Spring Boot to enable real-time data sync and reliable third‑party integrations.

You will lead feature development, mentor teammates, review code, and optimize performance while ensuring observability and high availability