Account Manager, Amazon Marketplaces

At Market Once, we empower businesses with the insights and strategies they need to excel in today's dynamic market. With a strong foundation in market research, we offer innovative solutions in research, software, consulting, advertising, and marketing to corporate, private equity firms, and other organizations seeking to achieve their goals.

Our team is distinguished by their client-centric approach—treating each client's business with the dedication and care as if it were their own. This commitment enables us to deliver personalized service and achieve the highest standards of success and innovation in everything we do. Together, our family of companies, including Market Once, ROI Rocket, and eAccountable, work towards delivering unparalleled solutions. Headquartered in Denver, Colorado, our global team collaborates from locations across the US and Europe.

We value curiosity, creativity, collaboration, and expertise, continuously striving to push boundaries and exceed our clients' expectations. Join us to be part of a culture that drives meaningful results.

eAccountable is a trusted leader in digital marketing, specializing in driving growth for online retailers. For two decades, online retailers have partnered with us to increase revenue, acquire new customers, and build brand loyalty. Through an integrated multi-channel digital marketing approach, we have helped our clients across many industries recognize quick and extremely impressive results.

We’re looking for a hands‑on, performance‑driven Account Manager to join our growing Amazon Client Services team. This role is responsible for owning the day‑to‑day management of Amazon accounts, with a strong focus on execution, organization, and growth. You’ll act as the primary point of contact for your clients and will be responsible for both delivering results and ensuring clear communication across internal teams.

• Serve as the day‑to‑day lead for a portfolio of Amazon clients, owning both performance and communication
• Develop and execute strategic plans to grow client businesses on Amazon
• Execute core tasks across PPC campaigns, content optimization, promotions, and reporting
• Serve as the client’s main point of contact, managing communications and weekly meetings
• Partner with Project Coordinators to ensure deliverables are completed on time
• Collaborate with Ads, Catalog, Creative, and Project teams to ensure timely and effective execution
• Monitor key KPIs and report on progress toward goals with internal teams and clients
• Prepare and lead monthly/quarterly business reviews (MBRs & QBRs)
• Conduct in-depth analysis of account performance, identifying opportunities for improvement
• Identify opportunities for improvement or growth and proactively communicate solutions
• Lead billing processes and ensure accurate invoicing for clients
• Drive agency growth by selling additional services and multi‑service selling functions.

• 2–4+ years of experience in Amazon account management or e‑commerce execution
• Proficient in Amazon Seller Central and/or Vendor Central
• Comfortable working independently and managing multiple accounts
• Strong attention to detail and project ownership
• Excellent communication and organization skills

• Competitive salary: $75,000‑$95,000 base salary + variable compensation
• Flexible vacation policy – take the time you need to recharge
• 401k with company contribution
• Beautiful downtown Denver office with company‑paid commuter benefits (parking or RTD Eco Pass)
• Opportunity for career progression with plenty of room for personal growth

• 1st Round: 30‑45 minute interview with the Recruiter
• 2nd Round: 60‑minute interview with the Hiring Manager
• 3rd Round:
  Aptitude Assessment and Amazon Audit
• 4th Round: 2 hours of onsite interviews with the Hiring Team

Please note that we are fully onsite work environment, and require daily presence at our LoDo/Union Station office.

Local Denver candidates will be given top priority, but other locations will be considered.

Market Once will accept applications for this role on an ongoing basis.

Market Once is an Equal Opportunity Employer. We believe in creating a diverse and inclusive workplace where everyone has the opportunity to thrive. We are committed to hiring individuals based on their skills and qualifications, regardless of race, gender, age, sexual orientation, disability, or any other characteristic. We welcome and encourage applications from all backgrounds.