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