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Marketplace Specialist (Amazon) - Barcelona - 40h
Published on
25 of January of 2026
Barcelona
Description
At MiiN Cosmetics, we are pioneers in bringing the best of Korean cosmetics to Europe, and the growth of our international marketplaces is key to our expansion.
We are looking for someone to manage and develop our marketplaces, with Amazon as the main channel, working in both Vendor and Seller Central, and managing other European marketplaces such as Miravia.
What will your role be?
You will be responsible for day-to-day operations, catalog optimization, advertising campaigns, and performance analysis on Amazon and other European marketplaces, ensuring sales, visibility, and operational efficiency.
What will you do on a daily basis?
Amazon & Marketplace Management
End-to-end management of Amazon Vendor Central and Seller Central across Europe.
- Management of other marketplaces such as Miravia.
- Daily operational management of:
Orders, shipments, and logistics (Vendor & Seller).
FBA logistics, including shipment creation, ASN, preparation, and labeling.
Follow-up with 3PL partners.
Returns and operational incidents.
- Stock control and optimization, demand forecasting, and logistics model planning.
- Price and promotion management, ensuring pricing consistency across countries.
- Analysis of sales, margins, profitability, and returns by product and market.
- Monitoring of operational and commercial KPIs (sell-in, sell-out, ROAS, conversion rate, availability, Buy Box, etc.).
- Preparation of reports and dashboards to support decision-making.
- Administrative support and agile issue resolution.
- Identification of new growth opportunities on Amazon and other marketplaces.
Catalog & Content
- Product creation and management on Amazon Vendor and Seller.
- Advanced catalog management:
Attributes, variations, flat files, and virtual bundles.
Resolution of catalog errors and issues.
- Product listing optimization:
SEO, keyword research, and conversion-oriented copywriting.
A+ Content, enhanced content, and visual improvements.
- Ensuring the catalog remains updated and aligned with brand strategy.
- Creation and optimization of the Amazon Brand Store.
Amazon Ads & Performance
- Daily management of advertising campaigns:
Bid, budget, and placement optimization.
Keyword research, keyword harvesting, and negative keywords.
- Analysis of campaign performance, search terms, and keyword rankings.
- Continuous optimization of listings and ads to improve traffic, conversion, and profitability.
- Coordination with the marketing team for key events (Prime Day, launches, special campaigns).
- Review of key metrics:
Sales
Stock
Profitability
- Preparation of reports for internal teams.
- Identification of improvement opportunities and proposal of action plans.
Minimum requirements
What are we looking for?
- Between 1 and 2 years of experience working with Amazon (Seller Central and/or Vendor Central).
- Experience in order management, shipping, and catalog operations.
- Experience in creating and maintaining product listings.
- Practical knowledge of Amazon Ads.
- Intermediate level of Excel.
- Upper-intermediate English.
- Responsible, organized, and proactive profile, with an interest in the digital environment and marketplaces.
- Ability to manage multiple tasks simultaneously and prioritize on a day-to-day basis.
- Attention to detail and focus on continuous improvement.
What will be considered a plus:
- Training in marketing, business administration, e-commerce, or similar.
- Experience in retail or cosmetics environments.
- Knowledge of other European languages.
What do we offer?
- Hybrid work model and flexible hours.
- A rapidly expanding company, both nationally and internationally.
- A dynamic, multicultural, and collaborative work environment.
- A project with potential and opportunities for professional growth.
- Exclusive discounts on MiiN Cosmetics products.
Are you passionate about e-commerce and want to strategically manage European marketplaces? Join MiiN and contribute your talent to maximize results and visibility for our products.
