Senior Marketplace Account Manager

Senior Account Manager - Amazon agency - London (Hybrid) - up to 45k

About the Agency
This independent agency is part of a global group, delivering data-driven solutions to help consumer brands thrive in eCommerce. With a unique platform that unifies owned and 3P retail domains with media channels, they provide powerful insights and drive performance for clients across categories.

The Role
As a Senior Account Manager/Client Lead, you'll own relationships with top-tier clients, driving strategy, campaign performance, and business growth. You'll be the go-to expert on Amazon and other eCommerce platforms, working with senior stakeholders to deliver integrated, insight-driven plans.

You'll mentor junior team members, collaborate with internal teams and creative partners, and take a data-first approach to identifying trends and opportunities. If you're a proactive relationship builder who thrives on solving client challenges and enjoys the fast pace of eCommerce, this is the perfect next step.

Key Responsibilities:

• Build and nurture strong client relationships as the primary point of contact

• Develop and deliver strategic plans to optimise clients' eCommerce performance

• Analyse sales and category data to surface insights and drive growth strategies

• Work with account and creative teams to ensure seamless execution of campaigns

• Provide clear, compelling updates and performance reports to clients

• Troubleshoot challenges with Amazon accounts and eCommerce operations

• Lead quarterly and annual business reviews, using data to tell a story and inspire action

• Coach and develop junior team members, sharing best practices and fostering a growth-focused team culture

About You:

• 3+ years in client management, ideally in eCommerce or retail media

• Strong experience engaging with senior stakeholders, including c-suite

• In-depth understanding of Amazon (Seller/Vendor Central) and familiarity with marketplace marketing initiatives

• Advanced computer skills (Excel, PowerPoint, etc.)

• Excellent written and verbal communication, with the ability to distil complex concepts

• A data-driven approach and curiosity to use insights to make recommendations

• Collaborative, positive, and motivated to grow within a fast-moving agency

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.