Amazon Advertising & Marketplace Specialist

About Mass Culture

Mass Culture is a growth media agency. We help mission-driven scale-ups connect brand and performance so they grow faster, more profitably, and with purpose.

About The Role

We're looking for an experienced Amazon Advertising & Marketplace Specialist to join our team on a part-time, freelance basis.

This is a hands-on role for someone who knows the Amazon advertising ecosystem inside and out, loves digging into performance data, and knows how to turn insights into action.

You'll take an active role in managing and optimizing Amazon advertising campaigns, identifying opportunities to improve performance, and supporting the day-to-day marketplace operations that help brands succeed on Amazon.

We're looking for someone who can hit the ground running, work independently, and collaborate closely with our team to drive meaningful results for our clients.

What You'll Do

Amazon Advertising & Campaign Management

• Build, launch, manage, and optimize Amazon advertising campaigns, including Sponsored Products, Sponsored Brands, and Sponsored Display.
• Monitor campaign performance, pacing, and budgets to ensure efficient spend and strong results.
• Conduct keyword research, refine targeting strategies, and optimize bids to improve ROAS, ACOS, and overall campaign performance.
• Identify opportunities to scale successful campaigns, improve efficiency, and drive incremental sales.
• Conduct ongoing testing and optimization across campaign structures, creative assets, and targeting approaches.

Performance Analysis & Reporting

• Analyze advertising performance to uncover actionable insights and growth opportunities.
• Track and report on key metrics, including sales, ROAS, ACOS, TACOS, conversion rates, and overall advertising efficiency.
• Translate performance data into clear recommendations and next steps.
• Partner with the Mass Culture team to communicate results, opportunities, and optimizations to clients.

Amazon Marketplace Operations

• Support day-to-day Amazon marketplace activities through Seller Central and/or Vendor Central.
• Monitor product listings, inventory availability, and account health to identify issues that could impact advertising performance.
• Recommend improvements to product detail pages, including titles, descriptions, images, and A+ Content, to support discoverability and conversion.
• Help troubleshoot marketplace challenges and coordinate with internal teams or client partners to resolve issues.
• Identify opportunities to improve the connection between advertising performance and overall marketplace growth.

Collaboration & Growth

• Work closely with our media and account teams to align Amazon initiatives with broader client objectives.
• Bring a proactive, solutions-oriented perspective to campaign management and optimization.
• Stay current on Amazon advertising capabilities, platform updates, and marketplace best practices.

What You Bring

• Proven hands-on experience managing and optimizing Amazon advertising campaigns.
• Strong working knowledge of Amazon Ads, including Sponsored Products, Sponsored Brands, and Sponsored Display.
• Experience navigating Amazon Ads Console and using campaign data to make informed optimization decisions.
• Familiarity with Amazon Seller Central and/or Vendor Central, including marketplace operations and product listing management.
• Strong analytical skills and a clear understanding of Amazon advertising performance metrics.
• Ability to independently manage campaigns, prioritize opportunities, and execute efficiently.
• Excellent communication skills and comfort collaborating with cross-functional teams.
• Strong attention to detail, organization, and a proactive approach to problem-solving.
• Experience working across multiple brands or client accounts, ideally within an agency environment.

Bonus Points If You Have

• Experience with Amazon DSP.
• Experience with Amazon Marketing Cloud or advanced Amazon measurement solutions.
• Familiarity with third-party Amazon advertising and marketplace management platforms.
• Experience supporting Amazon SEO, listing optimization, and conversion rate improvements.
• Broader retail media experience across platforms such as Walmart Connect or Instacart Ads.

The Details

• Engagement: Part-time, freelance/contract
• Time Commitment: Approximately 10–20 hours per week
• Compensation: 40–60 per hour, depending on experience
• Start Date: ASAP
• Working Style: Collaborative, flexible, and results-oriented

Why Mass Culture

We are not a traditional agency. We work inside our clients' businesses, connect media to margins, and measure ourselves on their growth, not our output. Our sister company, Brains, is a world-class branding agency, and that relationship is real. We love brand as much as we love performance.

Senior people do actual work here. We spend a client's money like we made it. And we still see our families and have book clubs and such.

No hacking. No smoke and mirrors. Real growth.