Nashit F.

Top Rated Plus | 100% Job Success | $100K+ earned | 4,300+ hours | 7+ years building eCommerce API systems I build custom automation systems and AI-powered tools for eCommerce sellers and agencies who want to stop doing things manually and start scaling. If you sell across multiple channels — Amazon, Walmart, eBay, Shopify — and you're losing hours to manual data entry, broken syncs, or outdated tools, I build the infrastructure that eliminates those problems permanently. WHAT I BUILD Amazon SP-API & Ads API • Orders, Listings, Feeds, Reports • Sponsored Products / Sponsored Brands automation • Custom seller dashboards (React/Node) • MWS to SP-API migration • Custom order data to engraving/production automation AI-Powered eCommerce Tools • AI listing optimization & auto-generation (GPT/Claude integration) • MCP servers connecting LLMs to your marketplace data • Intelligent repricing engines with demand signals • Automated review analysis & competitor intelligence dashboards • AI-driven inventory forecasting & restocking alerts • Chatbots & support automation for seller storefronts Walmart API • Item setup, inventory sync, price syncing • Order processing & fulfillment automation • Performance metrics dashboards eBay API • Listing creation and updates • Order sync to ERP/production systems • Inventory management & multi-account dashboards Shopify App Development • Custom private apps & order workflows • Fulfillment connectors • Bulk product automation • Integration with Amazon/Walmart/eBay systems WHAT CLIENTS GET ✔ One unified workflow for all marketplaces ✔ Real-time inventory sync & automated order routing ✔ Clean, modern dashboards ✔ Elimination of repetitive tasks ✔ Better decision-making with accurate data TECH STACK React, Next.js, Node.js, Express, Python, MongoDB, PostgreSQL, AWS, Webhooks, OAuth, MCP WHY WORK WITH ME ✔ 7+ years building production-ready eCommerce systems ✔ Worked with US/Canada multi-channel sellers & agencies ✔ Deep API experience across Amazon, Walmart, eBay, Shopify ✔ Strong communication, clean code, documentation, and reliable ongoing support Message me your pain point or idea — I'll propose the best solution with clear deliverables and timelines.