Kawsih A.
E-commerce Automation Developer | Amazon SP-API, Shopify & Marketplace
Hi, I'm Kawish — a Top Rated Plus full-stack developer focused on e-commerce automation, marketplace integrations, and operational systems. **$40K+ earned | 1,496+ hours | 100% Job Success | Top Rated Plus** I help e-commerce sellers replace manual marketplace and operational workflows with custom software that connects orders, inventory, listings, fulfillment, and reporting. I work across Amazon, Shopify, Walmart, eBay, and TikTok, building systems that reduce spreadsheet work, prevent operational errors, and give businesses better control over their data. # What I've Built Automaz — Multi-channel e-commerce operations platform connecting Amazon, Shopify, Walmart, and eBay for orders, inventory, revenue, and fulfillment. Listing Automation — Amazon catalog automation using SP-API for compliance checks, bulk fixes, and marketplace conversion, with OpenAI-assisted suggestions and operator approval. Listing Automation Reports — Marketplace fee and settlement reconciliation into P&L and shipment-cost reports with PDF/XLSX exports. TubWorks WMS — Warehouse management system with Shopify order ingestion, pick waves, barcode-based packing, inventory workflows, and carrier rate shopping. #What I Can Help You With ** Marketplace Integrations** • Amazon SP-API — orders, listings, feeds, reports, and catalog workflows • Shopify apps and order/fulfillment automation • Walmart, eBay, and TikTok API integrations • Multi-channel order and inventory synchronization **E-commerce Automation** • Automated listing and catalog workflows • Order routing and fulfillment automation • Warehouse and shipping workflows • Marketplace reporting and reconciliation • Custom internal tools and operational dashboards **AI-Assisted Workflows** • AI-assisted listing optimization • LLM integrations for marketplace workflows • AI-generated suggestions with human/operator approval # What You Get • One unified workflow across multiple marketplaces • Less manual data entry and spreadsheet work • Automated order and inventory synchronization • Reliable warehouse and fulfillment processes • Accurate marketplace and financial reporting • Custom software built around your actual business workflow # Tech Stack React, Next.js, Node.js, TypeScript, Express, PostgreSQL, MongoDB, Electron, REST APIs, OAuth, Webhooks, AWS # How I Work I focus on clear scope, realistic timelines, maintainable code, and reliable systems you can extend as your business grows. I don't just connect an API and call the job complete. I focus on understanding the workflow behind the integration and building software that actually improves the operation. If you have a marketplace workflow that's slow, messy, or manual, send me the details. I'll help you design and build a reliable solution.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $13k
Billed in all: $48,988$49k
$13k in the last 6 months
Earnings, last 30 days
Tracked from Oct 10, 2026.
Skill rankings: Top 4% in TikTok
Ranked by MRR among everyone on Upwork with the skill.
- #8eBay API107 freelancers · 🇵🇰 #4Top 7%🇵🇰#4 of 34
- #39Walmart.com631 freelancers · 🇵🇰 #29Top 6%🇵🇰#29 of 420
- #159TikTok4,101 freelancers · 🇵🇰 #32Top 4%🇵🇰#32 of 743
- #221Amazon3,514 freelancers · 🇵🇰 #81Top 6%🇵🇰#81 of 1,396
- #720Amazon Web Services7,488 freelancers · 🇵🇰 #149Top 10%🇵🇰#149 of 1,561
- #1,181PostgreSQL12,850 freelancers · 🇵🇰 #252Top 9%🇵🇰#252 of 2,776
- #1,413TypeScript15,967 freelancers · 🇵🇰 #273Top 9%🇵🇰#273 of 3,160
- #1,867API Integration20,200 freelancers · 🇵🇰 #456Top 9%🇵🇰#456 of 5,435