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Seller Onboarding Assistant

Company

Sainsbury's

Location

London, England

Posted

July 13, 2026

Position Overview

At Argos, our Marketplace is a growing part of how we show up for customers, bringing together more choice, more sellers and more ways to shop. Behind that is a Marketplace team focused on getting sellers set up for success from day one.

The Seller Onboarding Assistant sits right at the centre of that journey, shaping how new sellers join, launch and start trading on the platform.

Working across Marketplace, technical and commercial teams, the role brings together data, systems and seller engagement. From managing integrations and supporting catalogue setup to tracking onboarding progress, the focus is on delivering a smooth, well managed experience that works for both sellers and customers.

It’s a fast-moving role with real variety, ideal for someone with experience in eCommerce or marketplace operations who understands the importance of data quality, seller management and getting the detail right.
 

What you’ll do

The role owns the end-to-e...

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