Key Account Manager – Pure Players eCommerce

About the role

This position drives eCommerce growth on pure‑player marketplaces such as Amazon and Mercado Libre. The focus is on delivering sales targets, optimizing profit and loss performance, and ensuring top‑class execution across media, content and supply‑chain operations.

Key responsibilities

• Define and execute the eCommerce strategy for Amazon and Mercado Libre, aligned with business objectives and growth targets.
• Deliver net sales growth through Joint Business Plans, portfolio prioritisation and key commercial initiatives.
• Plan and execute high‑traffic events (e.g., Hot Sale, Prime Day, Buen Fin) to maximise participation and sell‑out performance.
• Manage marketplace partner relationships, negotiating assortment, pricing, promotions and commercial conditions.
• Own and optimise P&L levers, including pricing strategy, promotional investment and trade efficiency.
• Track performance metrics such as sell‑out, ROI, margins, conversion and traffic to identify opportunities.
• Ensure high service levels on platforms, covering product availability, fill rate and stock health.
• Collaborate with supply‑chain, customer service, logistics and marketing teams to resolve operational issues.
• Optimise digital shelf performance through high‑quality content, A+ implementation and marketplace SEO best practices.
• Lead media planning and execution with agencies and marketing teams to improve ROAS.
• Develop and maintain performance dashboards providing KPI visibility and actionable insights.
• Drive continuous improvement via test‑and‑learn initiatives across pricing, promotions, media and content.

Required profile

• Bachelor’s degree in Business Administration, Marketing or a related field.
• Experience in eCommerce, sales or key account management, preferably managing Amazon and Mercado Libre channels.
• Strong commercial and negotiation skills with solid understanding of P&L drivers.
• Analytical mindset with ability to track performance metrics and make data‑driven decisions.

Required skills

• Amazon marketplace management
• Mercado Libre marketplace management