eCommerce (Marketplace) Manager

Ecommerce (Marketplace) Manager - Network agency - London - £40-44k

The Company
A fast-growing specialist ecommerce agency, part of a leading integrated marketing and communications network. The agency helps brands grow across the full connected commerce ecosystem - from Amazon and retail media to D2C, social commerce, and marketplaces. By combining strategic consulting, data analytics, and hands-on channel management, the agency delivers above-market growth for its clients.

They're now looking for an Ecommerce Manager to join their account team and help clients navigate the fast-moving world of ecommerce.

The Role
As Ecommerce Manager, you'll own day-to-day client accounts, delivering performance and growth across multiple ecommerce channels. You'll develop and execute strategies, manage and mentor junior team members, and collaborate with internal teams to ensure a joined-up, data-driven approach. This is a highly visible role where your insight, operational excellence, and strategic thinking will directly impact client success.

Key Responsibilities

• Lead day-to-day management of client accounts, resolving issues and spotting growth opportunities

• Support multi-channel strategy development across Amazon, marketplaces, retail media, social commerce, D2C, PPC, and programmatic

• Manage and develop junior team members, setting objectives and providing feedback

• Turn data into actionable insights through reporting, post-campaign analysis, and recommendations

• Oversee content and digital shelf optimisation, ensuring best-in-class standards

• Collaborate across internal teams to deliver cohesive strategies and results

• Champion test-and-learn initiatives to keep clients ahead of industry trends

• Support new business pitches and proposals

You

• Strong operational knowledge of Amazon Vendor/Seller Central, with experience across other ecommerce or digital channels a plus

• Proven track record managing client accounts and delivering against KPIs

• Analytical, organised, and proactive with excellent attention to detail

• Confident communicator and relationship builder, with experience mentoring team members

• Skilled in Excel and comfortable interpreting performance data

• Positive, collaborative, and commercially minded

Sphere Digital Recruitment currently have a variety of job opportunities across digital so feel free to get in touch with us to find out how we can help you. Please take a look at our website.

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.