Performance Marketing Consultant - eCommerce

Job Description

Performance Marketing Consultant About Group 8A

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Group 8A is a leading ecommerce growth and performance marketing agency that partners with ambitious consumer brands to accelerate growth through data-driven media, creative strategy, analytics, and ecommerce expertise. We combine strategic thinking with operational excellence to help brands scale profitably across today's complex digital landscape.

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Position Summary

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Group 8A is looking for an experienced Performance Marketing Consultant to work with our team on a contract basis, providing senior-level strategic oversight across the full performance marketing ecosystem.

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This is not a channel-specific media buying role . We are looking for someone who can evaluate the entire ecommerce growth engine, identify where performance is being won or lost, and provide clear recommendations that improve revenue, profitability, and customer acquisition. This person understands the nuances of longer purchase cycles, higher AOVs, product consideration, promotions, merchandising, and the relationship between media investment and total business performance.

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This person will operate as a senior consultant and thought partner to the Group 8A team and select clients.

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Key ResponsibilitiesHolistic Performance Marketing Strategy

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• Evaluate performance across the entire customer acquisition and retention ecosystem rather than optimizing channels in isolation.
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• Assess the role and effectiveness of channels including Meta, Google, Shopping/PMax, YouTube, TikTok, Pinterest, Affiliate, Email/SMS, Shopify, and other relevant platforms/channels .
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• Identify opportunities to shift investment across channels based on incremental growth potential, efficiency, customer quality, and business objectives.
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• Develop integrated performance marketing strategies designed to drive profitable ecommerce growth.
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• Challenge existing assumptions and identify areas where channel-level performance may not reflect true business impact.
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• Help establish the appropriate balance between acquisition, retention, demand creation, and demand capture.
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Ecommerce & Business Performance

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• Analyze performance through an ecommerce and P&L lens, not simply platform-reported ROAS.
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• Understand how merchandising, pricing, promotions, inventory, site experience, and product assortment impact marketing performance.
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• Identify opportunities to improve conversion rate and overall ecommerce economics in addition to media efficiency.
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• Help determine where incremental marketing dollars should be invested to maximize profitable growth.
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Channel & Account Audits

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• Conduct strategic reviews of existing marketing programs and identify performance gaps and growth opportunities.
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• Review campaign structures, budgets, audience strategies, creative strategies, bidding approaches, attribution, and measurement.
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• Evaluate whether each channel is playing the appropriate role within the broader marketing mix.
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• Identify underutilized channels and opportunities for diversification.
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• Provide prioritized recommendations based on expected business impact rather than producing long lists of tactical optimizations.
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Measurement & Attribution

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• Evaluate performance across platform attribution, GA4, ecommerce data, and third-party attribution platforms where applicable.
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• Help clients and internal teams distinguish between attributed revenue and incremental revenue .
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• Develop practical approaches to understanding channel incrementality and marketing effectiveness.
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• Advise on attribution, testing methodologies, customer acquisition measurement, and performance reporting.
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• Help establish a clear source of truth for executive-level decision-making.
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Creative & Customer Journey

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• Evaluate creative performance and identify opportunities to improve messaging, positioning, offers, and creative testing.
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• Connect creative strategy to customer intent and different stages of the purchase journey.
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• Assess landing pages, PDPs, promotions, and onsite experiences as part of the broader acquisition funnel.
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• Partner with Group 8A teams to translate performance insights into actionable creative and ecommerce recommendations.
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Strategic Consulting

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• Serve as a senior thought partner to Group 8A leadership, account teams, and clients.
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• Participate in strategic client meetings and performance reviews.
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• Pressure-test media strategies, forecasts, and growth plans.
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• Help teams move from "How do we improve this channel?" to "What will actually grow the business?"
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• Translate complex performance data into clear recommendations that executives and operators can act on.
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• Provide an objective outside perspective on challenging or underperforming accounts.
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Ideal Background

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• 8–12+ years of performance marketing and ecommerce experience , with significant strategic responsibility.
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• Demonstrated experience growing ecommerce businesses across multiple acquisition and retention channels.
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• Strong preference for experience in the home/bed and bath category or adjacent verticals
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• Experience with higher-AOV and/or considered-purchase ecommerce businesses is highly desirable.
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• Strong understanding of ecommerce economics, including CAC, MER, LTV, AOV, contribution margin, conversion rate, and profitability.
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• Experience working with Shopify and ecommerce analytics platforms.
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• Familiarity with GA4 and attribution platforms such as Triple Whale, Northbeam, or similar tools.
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• Ability to quickly diagnose complex performance problems and prioritize the opportunities most likely to materially impact the business.
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• Comfortable working directly with founders, CMOs, ecommerce leaders, and senior agency teams.
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• Agency, consulting, or fractional leadership experience is a plus.
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This role is intended to provide senior-level strategic expertise , complementing Group 8A's existing channel specialists and account teams rather than replacing day-to-day execution.