Marketplace Seller Support Executive (Maternity Cover)
Posted Today by Mountain Warehouse
Negotiable
Undetermined
Hybrid
London, England, United Kingdom
Summary: The Marketplace Seller Support Executive at Mountain Warehouse is a pivotal role within the eCommerce department, focusing on onboarding new sellers and providing ongoing support to enhance the seller experience on the marketplace platform. This position requires a detail-oriented individual with a passion for eCommerce and the ability to manage relationships effectively. The role involves working closely with the marketplace team to ensure efficient seller launches and optimize product data processes. The ideal candidate will thrive in a high-growth environment and be comfortable with new technologies.
Key Responsibilities:
- Support seller onboarding, working closely with the marketplace team to deliver smooth, efficient and rapid launches.
- Support new sellers with platform operation and functional tools.
- Become a specialist in our 3 party marketplace platform (Mirakl) and all related MW systems, with a focus on product data.
- Provide ongoing support to sellers and be the point of call for issue resolution.
- Execute all upload, moderation, review and optimisation activities for MW Marketplace sellers’ product data.
- Maintain and develop the MW Marketplace product hierarchy and attributes, ensuring alignment with our own-brand catalogue.
- Monitor for changes in content requirements from sellers & working with development to implement.
- Work with sellers to maximise product content quality to drive growth.
- Work with IT Development on platform changes, as related to seller onboarding and product content.
- Work with the marketplace team to identify & improve efficiencies in the marketplace seller experience.
- Present ideas and updates to all levels of seniority.
Key Skills:
- eCommerce experience, preferably with experience of marketplaces.
- High attention to detail, particularly when working with large datasets and recognising where the smallest improvements can make the biggest differences.
- Technical understanding and ability to upskill on new systems easily.
- Ability to engage with external customers confidently and build credible relationships.
- Outstanding written and verbal communication skills.
- Adept at managing multiple concurrent projects and able to prioritise your workload accordingly.
Salary (Rate): undetermined
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: undetermined
Seniority Level: undetermined
Industry: IT
Application Deadline: 21 November 2025
Department: Ecommerce
Location: London
Description Overview
Mountain Warehouse's eCommerce business is a high growth, international operation that significantly contributes to total group revenue. As part of strategic digital acceleration, we launched an on-site marketplace platform in 2022 with the aim of expanding our third-party brand offering to deliver our customers unparalleled choice.
The Marketplace Seller Support Executive will be responsible for new seller onboarding, ongoing seller support, issue resolution and for seller product data processes (upload, moderation, review and optimisation). You will work closely with the marketplace team to deliver smooth and efficient seller launches and assist sellers with platform operation. This is a hands-on role at the heart of our expansion strategy and is well suited to someone with a passion for eCommerce, high attention to detail, who thrives in a high growth environment and is comfortable with new technologies and relationship building.
We Would Like To Meet Someone Who Is
- eCommerce experience, preferably with experience of marketplaces.
- High attention to detail, particularly when working with large datasets and recognising where the smallest improvements can make the biggest differences.
- Technical understanding and ability to upskill on new systems easily.
- Ability to engage with external customers confidently and build credible relationships.
- Outstanding written and verbal communication skills.
- Adept at managing multiple concurrent projects and able to prioritise your workload accordingly.
Benefits
- Competitive salary and benefits package
- Hybrid working, 3 days in London based office & 2 working from home
- Holiday allowance
- 50% staff discount & 25% for family and friends
- Pension scheme