Marketplace Account Manager
The Company
An established yet fast‑growing digital marketing agency specialising in performance‑driven eCommerce and Marketplace management. Working with a diverse portfolio of global and challenger brands, the team helps businesses grow their sales across Amazon and other leading online marketplaces through data‑led strategy, creative optimisation, and smart automation.
The Role
As Marketplace Account Manager, you will be the main point of contact for a group of clients, overseeing day‑to‑day performance and long‑term success of their Marketplace activity. You will develop and execute tailored strategies across content, advertising, and operations‑ensuring best‑in‑class results while identifying growth opportunities.
Key Responsibilities
* Act as the lead contact for a portfolio of Marketplace clients, managing day‑to‑day communication and account delivery.
* Develop and execute Marketplace strategies to drive sales and improve performance.
* Oversee content production, including asset optimisation, copy updates, and brand presentation.
* Manage and troubleshoot client issues, ensuring high service standards and swift resolution.
* Create and optimise Marketplace advertising campaigns using tools such as Pacvue and Helium10.
* Deliver clear and actionable performance reporting, highlighting success and growth opportunities.
* Identify ways to expand client partnerships and increase agency revenue.
* Manage or mentor junior team members, supporting their development and workload.
* Participate in internal growth initiatives such as marketing, PR, or proposition development.
You
* 3+ years of hands‑on experience with Amazon Vendor Central and/or Amazon Seller Central.
* Proven track record of owning Amazon functions for one or more brands.
* Confidence managing clients, communicating results, and leading strategic discussions.
* Strong analytical and problem‑solving skills, able to act decisively under pressure.
* Experience with Marketplace advertising and performance reporting tools.
* Comfortable working collaboratively across creative, operational, and commercial teams.
* Experience with additional Marketplaces (e.g., Zalando, TikTok Shop, bol.com, Allegro, Mirakl).
* Previous agency‑side experience and understanding of commercial growth drivers.
* Background as an Amazon vendor or seller.
Sphere is an equal opportunities employer. We encourage applications regardless of ethnic origin, race, religious beliefs, age, disability, gender or sexual orientation, and any other protected status as required by applicable law.
If you require any adjustments or additional support during the recruitment process for any reason whatsoever, please let us know.
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