Marketplaces Growth Marketing Manager (Primal Harvest)

Careers with WM Partners' Portfolio Companies

About The Position

This role is responsible for leading media, analytics, and growth for Amazon and Marketplaces channels. You will operate at both strategic and executional levels – leading strategy, planning, and capability development whilst also executing media buying, testing, and optimization for these key sales channels. In this role you will drive strong revenue and margin growth in the Amazon and Marketplaces P&L, deliver exceptional CAC / LTV economics, and collaborate effectively with the other digital sales and marketing channels to help achieve the company’s strategic and financial goals. This role includes management of marketplaces in the United States and Europe.

Requirements

3–5+ years of hands-on Amazon Advertising experience
Proven track record scaling marketplace revenue and efficiency through direct campaign ownership
Experience owning marketplace performance end-to-end (Amazon required; Walmart, Target, or other marketplaces a plus)
Deep experience executing across: Sponsored Products, Sponsored Brands, Sponsored Display
Amazon DSP / programmatic (required)
Demonstrated ability to build, test, and scale campaigns from scratch, translating strategy into measurable results
Strong ability to influence cross-functional stakeholders and drive impact
Experience managing or partnering with external media agencies while maintaining ownership of strategy, performance, and business outcomes.
Proven ability to translate campaign objectives into clear, measurable strategies
Experience developing reporting frameworks that synthesize large data sets

Nice To Haves

Video / Streaming TV (STV) (preferred)
Experience in CPG, supplements, or eCommerce preferred
familiarity with business intelligence tools is a plus

Responsibilities

Own media strategy, planning, execution, and optimization across Amazon and other marketplaces
Manage budgets, bidding, and campaign structure to maximize revenue and efficiency
Partner closely with an external media agency to execute marketplace campaigns, while maintaining the ability to work directly within Amazon Ads and other marketplace platforms to optimize campaigns and improve performance when needed.
Lead execution across all Amazon ad products: Sponsored Products, Sponsored Brands, Sponsored Display, Amazon DSP / Programmatic, STV and emerging formats
Scale media efforts across additional marketplaces (Walmart, Target, etc.)
Identify and scale high-performing campaigns, products, and audiences
Drive continuous testing across: Keyword strategy and targeting, Creative formats and messaging, Bidding strategies and placements
Optimize for both short-term efficiency (ROAS/CAC) and long-term growth (TACoS, LTV)
Identify and unlock new growth opportunities across marketplaces, including new ad formats, audiences, and expansion channels
Continuously evolve media strategy based on performance data, market dynamics, and competitive landscape
Build and own reporting frameworks to track key performance metrics and translate data into clear insights and strategic recommendations
Monitor and drive performance across key KPIs (CAC, LTV, ROAS, ACOS, TACoS, CVR, SOV / ranking)
Own competitive intelligence across marketplaces, leveraging tools and data to track competitors, identifying trends, and share actionable insights across the organization
Design and execute incrementality and lift tests tied to promotions, campaigns, and product launches
Identify and validate new growth opportunities through structured experimentation
Identify opportunities to improve efficiency, scalability, and performance
Stay ahead of marketplace media trends, tools, and platform innovations