At Adecco , we are currently looking for a Seller Education & Data Analyst to join one of our international clients in the e-commerce sector. This is an excellent opportunity for a data-driven and people-oriented professional who is passionate about analytics, training, and seller development, and is available for an immediate start .
In this role, you will act as the link between data insights and seller education, helping marketplace sellers improve their performance through training, coaching, and data-driven recommendations.
Data Analysis & Insights (30%)
Analyze seller performance data to identify trends, challenges, and growth opportunities.
Monitor key marketplace metrics such as listing quality, conversion rates, catalog health, campaign participation, and advertising performance.
Translate complex data into actionable recommendations that drive seller success.
Training Program Development (30%)
Design and develop training programs tailored to different seller maturity levels.
Continuously improve training content based on feedback and business results.




Deliver live webinars in Spanish (2-3 sessions per week) to audiences of 50-200+ participants.
Measure training success through attendance, engagement, and seller performance outcomes.
Native Spanish (Castilian) speaker.
Fluent English, both written and spoken.
Strong written communication skills with the ability to create engaging educational content.
Advanced Excel and/or Google Sheets skills.
Ability to analyze large data sets and generate meaningful insights.
Knowledge of SQL, Python, Tableau, Looker, Power BI, or similar tools is a plus.
Data Analysis
~ Digital Marketing
~ E-commerce Operations
~ Marketplace Operations
~ Experience designing and delivering webinars, workshops, or training programs.
~ Experience working with online marketplaces is highly desirable.

Fast learner with a strong interest in e-commerce and digital business.
Experience with marketplace ecosystems.
Knowledge of digital advertis

📌 Seller Education (Madrid)
🏢 The Adecco Group
📍 Madrid