Muhammad A.

Amazon SP-API | Walmart API | eBay API | Shopify Apps | MERN Stack

Hi, I’m Asim, a full-stack developer who builds custom automation systems for ecommerce sellers and agencies. I specialize in integrating Amazon, Walmart, eBay, and Shopify into powerful dashboards, scripts, workflows, and applications that save businesses hundreds of hours. If you sell on multiple channels and are tired of manual data entry, slow tools, or outdated software, I build fast, reliable, and scalable automations that simply work. ⭐ What I Build 🔹 Amazon SP-API & Ads API Solutions Orders, Listings, Feeds, and Reports Sponsored Ads automation (Products / Brands) Custom dashboards (React / Node.js) MWS → SP-API migration Custom order data → engraving / production automation 🔹 Walmart API Integrations Item setup and inventory synchronization Order processing & fulfillment automation Performance metrics dashboards Price synchronization 🔹 eBay API Integrations Listing creation and updates Order sync to ERP / production systems Inventory management Multi-account dashboards 🔹 Shopify App Development Custom private apps Order and fulfillment workflows Bulk product automation Shopify ↔ Amazon / Walmart / eBay integrations 🚀 What Clients Get One unified workflow across all marketplaces Real-time inventory synchronization Automated order routing Clean, modern dashboards Elimination of repetitive manual tasks Better decision-making with accurate, real-time data Significant time and cost savings 🧩 Tech Stack React, Node.js, Express, MongoDB, PostgreSQL, Next.js, Python, AWS, Webhooks, OAuth-based systems 🌟 Why Work With Me 6+ years building production-ready ecommerce systems Experience with US and Canada multi-channel sellers & agencies Deep hands-on expertise with Amazon, Walmart, eBay, and Shopify APIs Strong communication with clear, measurable deliverables Clean code, thorough documentation, and reliable long-term support 📩 Let’s Build Something Message me with your pain point or idea, and I’ll propose the right solution and implement it efficiently.