Hassan Mahmood's Work | ContraWork by Hassan Mahmood
Hassan Mahmood

Hassan Mahmood

Amazon PPC & eCommerce Marketplace Growth Expert

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Cover image for Multichannel eCommerce Management | Shopify,
Multichannel eCommerce Management | Shopify, Walmart & eBay Managing multiple eCommerce marketplaces requires more than publishing products. Accurate inventory, consistent listings, efficient order processing, and reliable integrations are essential to keeping operations running smoothly. My work focuses on helping online businesses manage their day-to-day operations across Shopify, Walmart, eBay, and Amazon. Key Areas of Expertise • Shopify Store Management: Product uploads, collection organization, inventory updates, store maintenance, and marketplace integrations. • Walmart Marketplace Management: Product listing creation, catalog optimization, inventory coordination, and Seller Center operations. • eBay Store Management: SEO-focused listings, item specifics, pricing research, Promoted Listings, order management, and store optimization. • Multichannel Integrations: Connecting marketplaces through tools such as Shopify Marketplace Connect and other inventory synchronization solutions. • Inventory & Order Operations: Keeping product information accurate, monitoring stock availability, and coordinating orders across sales channels. • Marketplace Troubleshooting: Resolving listing errors, synchronization issues, and catalog inconsistencies. My approach is centered on building organized, reliable marketplace operations that make it easier for brands to manage multiple sales channels and focus on growing their businesses. Platforms: Shopify | Walmart | eBay | Amazon
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Cover image for Amazon Catalog Management | Variations,
Amazon Catalog Management | Variations, Flat Files & Listing Troubleshooting A well-organized Amazon catalog is essential for maintaining accurate product listings and a smooth shopping experience. My work involves managing complex Amazon Seller Central catalogs, fixing listing issues, and making sure product data is structured correctly across different marketplaces. Key Areas of Work: • Catalog Management: Create, update, and maintain product listings with accurate titles, attributes, categories, and backend information. • Parent-Child Variations: Build and troubleshoot variation relationships for products with different sizes, colors, styles, and other attributes. • Flat File Management: Prepare and submit inventory templates for bulk listing updates, catalog corrections, and product relationship changes. • Listing Troubleshooting: Investigate suppressed listings, catalog conflicts, attribute errors, and variation issues. • Multimarketplace Coordination: Maintain consistent catalog information across Amazon US, Canada, Mexico, and other supported marketplaces. My approach focuses on accurate product data, efficient catalog maintenance, and resolving issues without creating unnecessary disruptions to existing listings. Services: Amazon Seller Central | Catalog Management | Parent-Child Variations | Flat File Uploads | Listing Error Resolution
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Cover image for I help brands improve Amazon
I help brands improve Amazon visibility and conversion through keyword-focused SEO, listing optimization, and A+ Content. This work highlights my approach to improving product discoverability, strengthening listing quality, and creating branded content that supports higher conversion rates.
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Cover image for Amazon PPC Management | Campaign
Amazon PPC Management | Campaign Performance & Advertising Results A look at Amazon PPC campaign performance across different advertising accounts and reporting periods. These dashboards highlight real advertising results, including: • $382,503 in ad-attributed sales at 22.94% ACOS • $175,191 in ad-attributed sales at 19.27% ACOS • $54,360 in ad-attributed sales at 5.29% ACOS • $15,919 in ad-attributed sales at 4.77% ACOS My Amazon PPC work focuses on campaign structure, keyword research, bid optimization, search term analysis, negative targeting, and budget management. I believe effective advertising isn't just about generating sales. It's about understanding the numbers, controlling unnecessary spending, and making decisions that support long-term profitability. These examples showcase advertising performance across separate reporting periods and are not presented as before-and-after results.
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