Marketplace Data Specialist

Marketplace Data Specialist (Wayfair, eBay, Walmart, Lowe's & Home Depot)

About the Role

We’re looking for a detail-oriented  Marketplace Data Specialist  to manage and maintain product data and listings across major online marketplaces, including  Wayfair, eBay, Walmart, Lowe’s, and Home Depot .

In this role, you’ll ensure product and catalog data is accurate, complete, and aligned with each marketplace’s requirements. You’ll work extensively with large product/data files, marketplace portals, and internal systems to maintain catalog accuracy, resolve listing issues, and support marketplace operations.

This is a great opportunity for someone who enjoys detail-heavy work, is highly proficient in Excel, and has hands-on experience working with marketplace portals and large product catalogs.

What You’ll Do

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Create, upload, and maintain product listings across  Wayfair, eBay, Walmart, Lowe’s, and Home Depot  marketplace portals

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Enter and update product data, including titles, descriptions, images, attributes, pricing, and inventory

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Work with large product catalogs and bulk data files, including  CSV and XLSX  templates

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Perform bulk uploads and updates while maintaining a high level of data accuracy

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Monitor listings for errors, suppressions, policy violations, content issues, or data mismatches and resolve them promptly

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Ensure product content meets each marketplace’s specific formatting, category, data, and compliance requirements

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Reconcile inventory, pricing, and order data between internal systems and marketplace platforms

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Track and troubleshoot listing and catalog issues, including content errors, inventory sync issues, and other marketplace-related problems

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Coordinate with merchandising, fulfillment, customer service, and other internal teams to keep marketplace data aligned with source systems

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Generate and maintain reports related to listing status, catalog health, data accuracy, and marketplace performance

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Stay current on marketplace portal, policy, and data requirement updates

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Support marketplace data projects and other catalog-related initiatives as needed

What We’re Looking For

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2+ years of experience  in data entry, e-commerce operations, marketplace operations, or catalog management

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Direct experience with at least one of the following marketplace/vendor portals is strongly preferred:

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Lowe’s Vendor Gateway

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Home Depot Supplier Portal

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Rithum Order Streaming

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Wayfair Partner Home

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Walmart Seller/Supplier Center

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eBay

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Candidates without direct experience in the marketplaces above may still be considered if they have strong marketplace, catalog, and product data experience and can learn new platforms quickly

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Strong proficiency in Microsoft Excel or Google Sheets is required , including VLOOKUP, pivot tables, data manipulation, and bulk file uploads

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Demonstrated experience working with  large product catalogs and large-scale data projects

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Excellent attention to detail and a strong commitment to data accuracy

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Comfortable working with bulk data files, marketplace templates, and platform-specific data requirements

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Strong organizational skills and ability to manage multiple marketplaces, projects, and deadlines simultaneously

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Clear written communication skills for coordinating with internal teams and marketplace support

Nice to Have

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Experience with multiple marketplace platforms or vendor portals

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Experience with  Lowe’s Vendor Gateway, Home Depot Supplier Portal, Rithum Order Streaming, or Wayfair Partner Home

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Experience with PIM or catalog management systems

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Experience with  NetSuite

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Familiarity with marketplace APIs or EDI processes

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Basic knowledge of SEO best practices for product listings

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Experience troubleshooting buy box, content compliance, inventory synchronization, or marketplace data issues