MARKETPLACE GROWTH MANAGER
Full-Time | Granite Gold, Inc. | Reports to CEO
| Amazon | Walmart | Home Depot | Lowe's | Target+ / Wayfair
ABOUT THE ROLE
Granite Gold is a category leader in stone care and hard surface maintenance, with an established and growing presence across major ecommerce marketplaces. We are seeking a hands-on, results-driven Marketplace Growth Manager to scale our ecommerce business across Amazon, Walmart, HomeDepot.com, Lowes.com, and future channels including Target+ and Wayfair.
This is a highly entrepreneurial role for someone who enjoys building, problem-solving, and driving measurable growth. You will work directly with leadership, own meaningful outcomes, and have real upside tied to your results. You are not here to maintain the status quo — you are here to grow the business.
RESPONSIBILITIES
Drive Marketplace Revenue Growth
• Own and grow revenue across Amazon, Walmart, HomeDepot.com, Lowes.com, and additional marketplace channels.
• Identify and execute growth opportunities across products, platforms, and promotional strategies.
• Monitor marketplace trends, competitive landscape, pricing dynamics, and assortment gaps.
• Develop and manage promotional calendars, deal strategies, and seasonal campaigns across channels.
SKU Expansion & Product Launches
• Identify opportunities for new SKU launches and whitespace expansion across marketplace channels.
• Lead end-to-end product launch process including listing creation, content optimization, SEO, images, and conversion rate improvement.
• Build scalable, repeatable processes for ongoing product launches and marketplace expansion.
• Improve listing quality across the entire catalog — content, imagery, A+ content, and discoverability.
Marketplace Operations & Account Management
• Manage daily marketplace operations and platform performance across all active channels.
• Oversee Amazon Seller Central and/or Vendor Central, Walmart Seller Center, and retailer portals.
• Ensure listings, pricing, inventory levels, and merchandising are accurate, optimized, and compliant.
• Monitor and resolve account health issues, suppressed listings, and operational bottlenecks proactively.
Agency & Partner Management
• Manage external ecommerce and advertising agency relationships — set expectations, review performance, and drive accountability.
• Evaluate advertising performance across key metrics: ROAS, TACoS, conversion rates, and net contribution.
• Drive continuous improvement from agency partners and escalate or restructure relationships when performance falls short.
• Collaborate with internal teams to improve execution speed and cross-functional efficiency.
Profitability & Operational Efficiency
• Improve contribution margins through pricing strategy, advertising efficiency, and product mix optimization.
• Identify and eliminate wasted ad spend, operational redundancies, and margin leakage.
• Partner with operations and supply chain on demand forecasting, inventory planning, and in-stock rates.
• Build and maintain reporting dashboards and performance scorecards across channels.
New Channel Expansion
• Evaluate, onboard, and launch new marketplace channels including Target+, Wayfair, and others as prioritized.
• Develop channel-specific launch strategies, content requirements, and operational playbooks.
• Own new channel performance from launch through stabilization and growth.
QUALIFICATIONS
Required
• 5+ years of ecommerce and marketplace management experience, with proven revenue growth results.
• Deep hands-on experience with Amazon Seller Central and/or Vendor Central.
• Strong working knowledge of Walmart Marketplace.
• Experience launching and scaling new products/SKUs across marketplace platforms.
• Demonstrated success managing external ecommerce or advertising agency partners.
• Strong analytical skills — comfortable owning metrics, building reports, and making data-driven decisions.
• Ability to work independently, take ownership, and deliver results without heavy oversight.
Preferred
• Experience with HomeDepot.com, Lowes.com, Target+, Wayfair, or specialty retail marketplaces.
• Background in consumer products, home improvement, cleaning, or adjacent categories.
• Experience in a founder-led or entrepreneurial company environment.
• Familiarity with tools such as Helium 10, Jungle Scout, Profitero, or similar platforms.
WHAT SUCCESS LOOKS LIKE
| 📈 | Meaningful, measurable revenue growth across all active marketplace channels
| 📦 | Expanded SKU count with successful, optimized product launches
| 💰 | Improved contribution margins and advertising efficiency (lower TACoS, higher ROAS)
| 🤝 | Stronger agency accountability — partners who deliver or get replaced
| 🛒 | Walmart and new channel businesses growing quarter-over-quarter
| ⚙️ | Operational efficiency: fewer suppressed listings, better in-stock rates, cleaner reporting
COMPENSATION & BENEFITS
We compensate competitively and structure meaningful upside for high performers. This role is built for someone who wants to own outcomes — and be rewarded accordingly.
| Base Salary | $115,000 – $130,000 DOE
| Performance Bonus | 15% – 40% of base, tied to revenue growth, margin improvement, and marketplace expansion milestones
| Total Target Compensation | $132,000 – $182,000+ at plan
| Benefits | Health, dental, and vision insurance
| Additional | Mileage/expense reimbursement; tools and software budget for marketplace management platforms
ABOUT YOU
You are entrepreneurial, growth-oriented, and take genuine ownership of results. You enjoy solving problems, building systems, and growing a business through both strategic thinking and hands-on execution. You know your way around Seller Central at 11pm if that's what it takes — and you're equally comfortable presenting a channel strategy to leadership.
You don't wait for a playbook to be handed to you. You write it.