API Backend Development Needed

About the Project: We are building Bihar Ka Bazaar (BKB), a modern e-commerce platform that connects local artisans, weavers, and farmers in Bihar with buyers across India. The application's frontend and current API endpoints are built using Next.js (App Router) and React... (Budget: ₹1500 - ₹12500 INR, Jobs: API Development, Backend Development, Documentation, Java, JavaScript, MongoDB, Node.js, PostgreSQL, Python, RESTful)