One Metric is a fast\-growing RevTech and CRM solutions company helping businesses optimize revenue operations, marketing automation, and data\-driven growth. We work with leading CRM platforms and RevOps tools to deliver measurable impact across client sales and marketing ecosystems. **About the Role**
We are looking for an API Integration Specialist with 2\+ years of experience, preferably from the Salesforce or HubSpot ecosystem. This role is ideal for someone who enjoys working at the intersection of systems, data, and automation — building reliable integrations that power seamless RevOps workflows across tools and platforms.
If you enjoy working with Node.js, JavaScript/TypeScript, and building system integrations, this could be a great fit.
You’ll get hands\-on exposure to production\-grade integrations, real client use cases, and strong learning opportunities in a growing RevTech environment. **What You’ll Work On*** Building and consuming REST and SOAP APIs
Developing Node.js\-based integrations and backend services
Integrating platforms such as HubSpot, Salesforce, and other third\-party tools
Working with databases and cloud platforms such as GCP and Firebase
Solving real\-world integration, automation, and backend challenges
Supporting scalable RevOps workflows across multiple systems and platforms
*Key Responsibilities:*** API Integrations \& Backend DevelopmentBuild, test, and maintain API integrations between CRM platforms (Salesforce, HubSpot) and third\-party tools
Develop backend services and integration workflows using Node.js and JavaScript/TypeScript
Configure and manage data syncs, workflows, and automations across systems
Troubleshoot API errors, sync failures, and data inconsistencies
Work with webhooks, authentication methods, and middleware integrations
CRM \& Data OperationsCollaborate with internal teams to understand integration requirements and data flows
Ensure data accuracy, consistency, and integrity across connected systems
Support schema mapping, field\-level documentation, and version control
Maintain scalable and reliable data exchange processes
Testing, Documentation \& MaintenanceCreate and maintain technical documentation for integrations and workflows
Perform QA testing before deployment and during ongoing enhancements
Monitor integration performance and proactively resolve issues
*Desired Skills \& Qualifications*** 2\+ years of experience working with APIs and system integrations
Hands\-on experience with Salesforce and/or HubSpot APIs
Strong knowledge of REST APIs, SOAP APIs, webhooks, authentication, and data structures
Experience with Node.js and JavaScript/TypeScript
Familiarity with databases and cloud platforms such as GCP and Firebase
Strong problem\-solving and debugging skills
Detail\-oriented with a process\-first mindset
Comfortable working in fast\-paced, multi\-tool environments
Clear communicator who can explain technical concepts to non\-technical stakeholders
*Why Join One Metric?*** Work on real\-world, production\-grade integrations
Exposure to leading CRM and RevOps platforms
Strong learning and growth opportunities in the RevTech space
Collaborative and fast\-paced work environment
Opportunity to solve meaningful automation and backend challenges at scale