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

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

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

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

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

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

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

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

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

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

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

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

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

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

What We’re Looking For

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

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

  • Lowe’s Vendor Gateway

  • Home Depot Supplier Portal

  • Rithum Order Streaming

  • Wayfair Partner Home

  • Walmart Seller/Supplier Center

  • eBay

• 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

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

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

• Excellent attention to detail and a strong commitment to data accuracy

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

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

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

Nice to Have

• Experience with multiple marketplace platforms or vendor portals

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

• Experience with PIM or catalog management systems

• Experience with NetSuite

• Familiarity with marketplace APIs or EDI processes

• Basic knowledge of SEO best practices for product listings

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