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

