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Client Development Associate (Retail Media)

📍 Location
London
⏰ Job Type
full time
📅 Posted
June 10, 2026

About the Role

Overview
London (4 days per week in office) • UK travel to retailer offices as needed

Epsilon is offering an outstanding opportunity to work with some of the most inquisitive people in retail media and supporting some of the UK's biggest retailers. We are looking for a diligent Client Success Associate to support our Retail Media clients. You'll assist the Client Lead and the client team by coordinating delivery and keeping day-to-day tasks on track. You will also help drive commercial growth and product adoption onsite, offsite, and through features for our retail clients. Reporting and operational foundations will be carried out consistently and accurately.

Reporting & collaboration

You'll report directly to the lead of Client Services and support the wider Retail Media Client team. You'll partner closely with internal teams (e.g., Sales, Ops, Tech, Analytics, Creative) to support planning, delivery, reporting and issue resolution.

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