2+ years of experience as an Integrations Engineer, Backend Developer, or Full Stack Engineer focusing on API-based systems Core Stack: MERN (MongoDB, Express, React, Node.js) APIs: REST, GraphQL, webhooks, OAuth, and general API communication protocols Languages: JavaScript/TypeScript; Python experience preferred but not mandatory Strong ability to understand, interpret, and implement 3rd-party API documentation quickly Prior experience integrating B2B SaaS tools like Meta, ServiceNow, Clio, HubSpot, or healthcare APIs Familiarity with async data flows, error handling, and message queues (RabbitMQ, Kafka, etc.) Experience using Git and working with modern CI/CD pipelines Prior exposure to building or integrating large-scale web platforms and understanding modern web technologies Familiarity with PHP frameworks (Laravel, Symfony) Experience with Cursor AI or rapid development tools