Full Stack Developer for Logistics Platform

We need to develop a standalone microservice (Logistics Platform) to integrate our custom fulfillment CRM with several marketplaces and E-commerce platforms (Amazon, Walmart, Shopify, etc). We need an experienced team or senior full stack developer to design and deliver a production-ready system by our requirements. Technical Requirements and Required Skills: - Standalone PHP microservice (PHP Laravel framework) - RESTful API development - MySQL / PostgreSQL - Integration with Amazon SP-API for periodic shipment data polling - Webhook mechanism to notify CRM about new orders - API authentication between microservice and CRM - Error handling, logging, and retry logic - Docker deployment with CI/CD setup - NO UI/admin panel required (API only) Scope of Work: - Amazon SP-API integration with sandbox testing (FBA, FBM) - Periodic polling mechanism for shipment imports - Label retrieval handling - REST API development - Webhook system for CRM notifications - Authentication layer (API key based) - Server setup (dev + production environments) - Deployment automation (Docker + CI/CD) - Documentation and testing - Walmart Marketplace integration - WooCommerce integration - TikTok Shop integration - Etsy integration - SHEIN Marketplace integration - Temu integration The microservice architecture should simplify the addition of new marketplace integrations for the current CRM thanks to a unified API interface.