Retail Media has moved from emerging channel to strategic priority. In 2025, general spend reached $171 billion — one dollar in every five spent on advertising worldwide. But the real competition is no longer about budgets. It is about consistently proving that every euro invested leads to new, measurable sales.

About Unlimitail

That's exactly why Unlimitail exists. Our ambition: to become the #1 Commerce Media Network worldwide by connecting every shopper moment — from discovery to purchase — and turning media investment into measurable, incremental sales.

Built on Carrefour's decade of Retail Media experience, Unlimitail today works with 35 retailers across 21 countries, representing 220 million shoppers and more than 3,000 brands — already the #1 omnichannel Commerce Media Network in Europe.

Joining Unlimitail means joining a company at the crossroads of data, technology, and digital marketing — at the precise moment when the industry is deciding what performance actually means.

Role Overview

As a Customer Success Manager (CSM),



you will join our Spanish team and report to Marco, CSM Team Lead. You will work closely with our client and country teams to make sure that campaigns are running efficiently, and the retailer’s ad revenue is growing. The role includes seizing and creating commercial opportunities, reviewing campaigns, offer optimization support and lean in to act as “traffic controller” between sales and operations.

This role is ideal for someone who enjoys navigating the shift from support to strategy and wants to help shape retail media in a fast-growing international environment.

Key Missions
- Support the delivery of successful retail media plan by ensuring briefs are correctly transferring client objectives and budgets into a well organized project plan form E2E.
- Understand performance metrics and analytics to deliver confident input to country teams and to the suppliers/brands.

Campaign Execution & Operations
- Handle campaign setup, over

📌 Customer Success Manager Spain (Madrid)
🏢 Unlimitail
📍 Madrid