Marketplace Growth Manager

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 elevate 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. #J-18808-Ljbffr