Marketplace Marketing Manager

Position Overview

The

Marketplace Marketing Manager

will drive execution of the marketing and promotional strategy across major third-party marketplaces including Amazon, eBay, Walmart, and others. This individual will serve as the primary liaison between internal teams and external marketplace partners, with the goal of increasing visibility, driving sales, maintaining key account metrics, and optimizing return on investment across channels.

Youll manage seasonal and evergreen promotional calendars, negotiate marketing placements, oversee ad performance, and collaborate with Purchasing, Creative, and Analytics teams to align on strategy and execution. Youll also be responsible for ensuring promotions launch on time and match agreed-upon terms, monitoring account health metrics, and help troubleshooting issues to maintain a top-tier seller status.

Key Responsibilities

Marketplace Promotions & Strategy

Plan, execute, and evaluate marketing and promotional strategies across Amazon, eBay, Walmart, and other marketplaces

Negotiate paid placements, deal events, and seasonal marketing opportunities with marketplace contacts

Coordinate product inclusion in major sales events (e.g., Prime Day, Black Friday) and ensure alignment with internal goals

Cross-Functional Collaboration

Partner with Purchasing, Marketing, and Operations teams to align inventory, timing, and focus skus / categories for each marketplace.

Coordinate execution timelines and deliverables across departments for campaign launches

Coordination with finance on on agreements and contracts to ensure payments for all agreements.

Advertising & Performance Analysis

Oversee marketplace advertising campaigns (e.g., Amazon Sponsored Products, eBay Promoted Listings, Walmart Connect)

Analyze advertising ROI and promotional effectiveness using platform and internal data tools

Identify performance trends and implement optimizations to improve revenue and margin targets

Execution & Compliance

Ensure all marketing and promotional campaigns are set up accurately and go live on time

Confirm all promotions match agreed-upon terms and are properly reflected on the platform

Maintain contract compliance and follow-through with all commitments made to marketplace partners

Track contract deliverables and ensure deadlines, creative, and budget elements are met

Account Health & Issue Resolution

Proactively identify and resolve issues related to listings, campaign delivery, or platform compliance

Escalate and troubleshoot with platform reps to resolve suppression flags, performance issues, and discrepancies

Serve as the key point of contact with marketplace partner teams for all marketing-related matters

Qualifications

35 years of experience in marketplace marketing, digital advertising, or e-commerce management

Strong working knowledge of Amazon Seller / Vendor Central, eBay Seller Hub, Walmart Marketplace, or similar platforms

Proven ability to manage promotional execution and maintain contract accuracy across multiple channels

Analytical mindset with ability to interpret data, solve problems, and drive ROI

Excellent attention to detail and follow-through on deliverables

Outstanding communication, negotiation, and cross-functional collaboration skills

Experience in consumer electronics or a similar high-volume product category is a plus