Senior Amazon Marketplace Operations

MarginBusiness is looking for an experienced ''Senior Amazon Marketplace Operations & Client Success Manager'' to take ownership of multiple client accounts across Amazon Europe and the UK. This is not an entry-level Amazon VA or PPC-only position. We need someone who can independently manage Seller Central operations, communicate confidently with clients and coordinate the work required to keep accounts moving forward. The role will initially be part-time, approximately 20–25 hours per week, with the opportunity to develop into a full-time position as our client portfolio grows.

Key responsibilities
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¢ Manage multiple Amazon client accounts across Germany, France, Italy, Spain and the UK â€
¢ Handle Seller Central operations, cases, catalogue issues, listing errors and account health matters â€
¢ Coordinate product launches, listing creation, localization, A+ Content and Brand Stores â€
¢ Monitor inventory, FBA shipments, stranded inventory, storage exposure and operational risks â€
¢ Review PPC performance together with our advertising team and connect advertising decisions to profitability â€
¢ Prepare clear client updates, reports and action plans â€
¢ Follow up with clients and internal team members to keep projects on schedule â€
¢ Identify problems early and take ownership of resolving them â€
¢ Review work before it reaches the client and maintain a consistently high standard What we are looking for: â€
¢ At least three years of hands-on Amazon Seller Central experience â€
¢ Proven experience managing multiple established seller or agency client accounts â€
¢ Strong knowledge of Amazon Europe and UK marketplace operations â€
¢ Experience with catalogue management, variations, flat files, cases, FBA and account health â€
¢ Good understanding of PPC, ACOS, TACOS, conversion and marketplace profitability â€
¢ Excellent written and spoken English â€
¢ Ability to communicate professionally with founders, CEOs and brand teams â€
¢ Strong organization, attention to detail and personal accountability â€
¢ Availability during European/CET

working hours
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¢ German or French would be a strong advantage You should be comfortable making decisions, setting priorities and moving work forward without waiting for detailed instructions at every step. To be considered, please begin your application with: The Amazon marketplaces you have personally managed The number and size of accounts you managed simultaneously One complex Seller Central or catalogue problem you personally resolved Your current weekly availability and time zone Generic applications that do not answer these four points will not be considered. About MarginBusiness: MarginBusiness is an international Amazon growth and marketplace management agency with more than 13 years of experience. We support established brands across Europe, the UK, the US and the GCC with marketplace strategy, account operations, listings, advertising and international expansion.