At Decathlon, we are driven by our purpose: to make the joy and benefits of sport accessible to the many through innovative and sustainable solutions. Our Decathlon Marketplace is a global growth engine, rapidly expanding across 20 countries. We are the digital bridge connecting millions of customers with sports brands and third-party sellers, all seamlessly integrated into Decathlon’s e-commerce platform.

Our Analytics team's mission is simple yet powerful: to be the engine that drives business action. We proactively identify and share the winning insights needed to boost efficiency and reach our ambitious global goals. We leverage our experience to autonomously drive the animation of new routines and work with other teams to ensure we deliver these insights to sellers and internal teams most efficiently.

We are looking for a highly motivated Business Analyst Intern to join our team in Brussels (HQ of the Marketplace).

Your ultimate goal? To translate complex data into clear, actionable insights that directly improve our business efficiency. You will be the trusted data partner for our Seller Management team, helping them monitor the competition and scout the best new prospects to grow our global offering. If you live and breathe tech, business, and data, and want to score big, this is your game.

You will be hands-on, diving into the core of our business and using data to fuel growth. Here are your key missions:

• Translate data and KPIs into actionable insights for business teams
• Deliver insightful reports to business teams through well-coordinated routines
• Provide ah-hoc analysis assisting business teams in better understanding their operations
• Identify key opportunities by sourcing data from various internal and external channels
• Ensure follow-up on opportunities provided to business development teams, ensuring continuous improvement in insight actionability
• Identify new growth levers and facilitate insight sharing with Sellers through Proof of Concepts (POCs) and commercial animation data sharing initiatives
• Establish a Market Intelligence stream to aid Seller Management in monitoring competition activity and identifying potential prospects for business development teams

• Sport is your DNA, you are a true sports enthusiast!
• You are a Final-year Bachelor or Master’s student from a business or engineering school.
• You are fluent in English – it's the official language for all our meetings and communications.
• You master Excel (pivot tables, lookups, complex formulas) and are proficient in SQL.
• You possess a strong analytical mindset and genuinely enjoy problem-solving challenges.
• You are autonomous, incredibly proactive, curious, and detail-oriented.
• You enjoy learning new things and thrive in a fast-paced environment.

• Duration: 6-month, full-time internship. We are looking for commitment!
• Location: Evere, Brussels. Hybrid work is possible, balancing team connection with flexibility.
• Start Date: ASAP (flexible start date to align with your school's schedule).
• Compensation: 1200€ per month (if allowed by your school).

Ready to Play?

If you're ready to use your data skills to make sport accessible worldwide and kickstart your career with a global market leader, apply now! Let's make a difference together!