Amazon Marketplace Growth Manager

August 26, 2026

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Job Title: Amazon Marketplace Growth Manager Location: Remote Employment Type: Full-Time Contractor Working Hours: 9:00am–5:00pm EST (Monday to Friday) Industry: E-commerce / Health Supplements About Us Mint Source is a remote-first bridge that connects vibrant talent with international clients and agencies, enabling skilled individuals to showcase their expertise on a global stage. Role Overview Mint Source is hiring an Amazon Marketplace Growth Manager to join a Canadian health supplement brand serving over 1.5 million customers with Health Canada registered, third-party lab-tested products, sold through its own DTC store and on Amazon in both Canada and the US. You'll own the full P&L for the Amazon US account, reporting directly to the CEO and COO, with complete accountability for revenue, margin, and market share. Day to day, you'll run growth strategy, PPC, pricing, and catalog velocity while collaborating with the brand's catalog, logistics, creative, and data analytics teams. Success means one thing: a monthly P&L that hits its targets, backed by decisions you made and can defend. This is a rare chance to run an Amazon account as your own business, not just manage pieces of one. What You'll Do <ul> <li>Own the full P&L for the Amazon US account, including revenue forecasting, margin management, and monthly performance reporting against targets</li> <li>Develop and execute account-level growth strategy across the catalog, including product prioritization, launch support, and promotional planning (Prime Day, seasonal events)</li> <li>Manage all PPC campaigns end-to-end: campaign structure, bid strategy, budget pacing, audience testing, and ACoS/TACoS optimization</li> <li>Design and run incrementality tests (holdout groups, geo or time-based lift tests, or platform-native tools) to isolate the true incremental impact of PPC and promotions from baseline organic demand</li> <li>Lead pricing strategy, including pricing architecture (pack sizes, bundles, price-per-unit ladders, MAP/discount structure), price testing, demand elasticity analysis, competitive positioning, and margin-impact analysis</li> <li>Conduct ongoing keyword research and search query performance analysis to inform both paid and organic strategy</li> <li>Monitor and grow market share within key categories using Helium 10, Amazon Brand Analytics, and Search Query Performance data</li> <li>Drive listing optimization (titles, bullets, A+ content, imagery direction) based on conversion data and competitive benchmarks</li> <li>Analyze category, competitor, and consumer trends to identify growth opportunities and defend against threats</li> <li>Collaborate with the catalog, logistics, creative, and data analytics teams to align execution with account strategy</li> </ul> What We're Looking For <ul> <li>5+ years of experience managing Amazon marketplace accounts</li> <li>Proven experience owning and being accountable to a full Amazon P&L. This is non-negotiable: catalog management alone or running PPC in isolation doesn't qualify. We're looking for someone who has carried 100% ownership of an Amazon Profit & Loss statement and answered for the results</li> <li>Familiar with Helium 10, Amazon Brand Analytics, and Search Query Performance data, and ideally My Real Profit or a similar profit analytics tool</li> <li>Strong commercial instincts: comfortable with margin math, demand elasticity, forecasting, and the trade-offs between growth and profitability</li> <li>A proactive communicator who thrives in a mostly written environment (Slack, email) and keeps leadership informed without being chased</li> <li>Energetic, highly motivated, and steady under pressure, with an even balance of collaborative and independent work (roughly a 50/50 split)</li> <li>Genuine commitment to the craft. This role rewards someone who loves this work, takes full accountability for their division's growth, and wants to be compensated well for delivering</li> <li>A plus, not a dealbreaker: experience in the US marketplace specifically within supplements</li> </ul> Key Performance Metrics (KPIs) <ul> <li>Monthly P&L performance against revenue and margin targets</li> <li>Market share growth in key categories, driven by optimizations from market share data and search query performance</li> <li>Catalog growth and velocity: the speed at which new products are brought to market</li> <li>PPC efficiency and incrementality: ACoS/TACoS trends and demonstrated incremental lift from ad spend</li> <li>Within the first 30 days, establish the reporting framework and benchmarks with a clear goal structure; by 60 days, run PPC and pricing optimizations against those benchmarks; by 90 days, independently own the full account P&L and growth plan</li> </ul> What You Get <ul> <li>Highly competitive compensation discussed individually based on experience and location </li> <li>Back-office support from Mint Source for payroll, onboarding, and HR</li> <li>Full ownership of a division, with a direct line to the CEO and COO</li> <li>A remote-first role with clear goals, real accountability, and rewards tied to performance</li> <li>International exposure with a fast-growing consumer brand </li> </ul>

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