Backend Developer- Business Applications & Intergration

Role & responsibilities

• Design, build, and maintain backend integrations (Node.js-based) across ERP (Oracle NetSuite, Unicommerce), POS (Wondersoft), payments (Razorpay, Pine Labs), logistics (Pidge), CRM/loyalty (Karnival, Easyrewardz, Gupshup), and VetBuddy
• Develop and maintain REST/GraphQL APIs and webhook-based data sync between systems
• Own data integrity and error handling across integration points (order sync, inventory sync, payment reconciliation, loyalty/CRM updates)
• Provide Level 2 technical support for integration-related incidents escalated from the Helpdesk
• Work closely with ERP/POS SPOCs on business application-side technical requirements
• Participate in the Request Review Execution Testing Closure process for all integration changes
• Maintain technical documentation for all integration points and middleware logic
• Collaborate with the Front-End Developer on API contracts for any integration touching the Shopify/website/app layer

Essential Experience:

• 3- 6 years of backend/middleware development experience, with Node.js as a core, hands-on skill
• Experience integrating ERP and/or POS systems with third-party platforms via APIs/webhooks
• Familiarity with e-commerce or retail transaction flows (orders, payments, inventory, fulfillment)
• SQL/database proficiency
• Preferred: direct experience with any of Oracle NetSuite, Unicommerce, Wondersoft, or similar retail/ERP platforms; experience integrating payment gateways (Razorpay or similar) or logistics platforms (Pidge or similar).