Shopify ERP Real-Time Stock Sync

I need a seamless, real-time bridge between our Shopify storefront and our in-house ERP, ACME. Whenever new inventory lands in the warehouse, a sale reduces available quantity, or a manual adjustment/return... (Budget: ₹12500 - ₹37500 INR, Jobs: Amazon Web Services, API Development, GraphQL, PHP, Python, REST API, Shopify, Software Development)