E-Commerce Marketplace Manager (Amazon & Walmart)

3 weeks ago
Contract
Mid Level
Marketing and Growth
Workana

Workana

Workana: Leading Latam's freelance marketplace, connecting top talent with innovative projects for remote and freelance work.

Internet Software & Services
1K-5K
Founded 2012
$3M raised

Description

  • Own the end-to-end catalog strategy, setup, and launch on Walmart Marketplace.
  • Transition Amazon Seller Central FBA and FBM operations in-house and establish standard operating procedures.
  • Build and manage per-SKU contribution-margin P&L models covering fees, advertising, storage, and freight.
  • Create, optimize, and manage Amazon Sponsored Products, Sponsored Brands, Display, and Walmart Connect campaigns.
  • Maintain catalog integrity, rich media, A+ content, variations, and compliance across marketplaces.
  • Forecast inventory, set reorder triggers, and coordinate stock allocation with ShipBob and internal teams.
  • Coordinate marketplace pricing with DTC and wholesale channels to prevent MAP erosion and cannibalization.
  • Resolve seller account issues, listing suppressions, Brand Registry matters, and reimbursement claims.

Requirements

  • 3+ years of hands-on Amazon Seller Central experience, including account health, listing creation, and Brand Registry.
  • Hands-on Walmart Marketplace experience with item setup, catalog health, WFS, seller fulfillment, and Walmart Connect.
  • Experience running and optimizing PPC campaigns on Amazon Seller Central and Walmart Connect.
  • Strong P&L literacy and ability to analyze unit economics, contribution margins, and platform fees.
  • Experience with inventory forecasting, stock allocation, and 3PL fulfillment operations.
  • High autonomy, ownership mindset, and experience collaborating with creative and marketing teams.
  • Fluent English for regular collaboration with an international team.
  • Based in Latin America.
  • Experience bringing marketplace management from an agency in-house is preferred.
  • Familiarity with Shopify, multichannel e-commerce, additional marketplaces, or tools, hardware, automotive accessory, and consumer hardlines categories is preferred.

Benefits

  • Competitive compensation in USD.
  • Fully remote work within Latin America with flexible schedules.
  • Career growth through international clients and projects.
  • Long-term independent contractor agreement; paid time off and health insurance are not included.

Interested in this position?

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