Junior Data Analyst Circularity - Apprenticeship (f/m/d)

Junior Data Analyst Circularity - Apprenticeship (f/m/d)

Our Circular Analytics Team is looking for a Junior Data Analyst - Circular Economy (f/m/d) on an apprenticeship contract, based in Lille.

At the heart of the Circularity domain, our team of 25 data experts (BI Engineers, Data Analysts, Data Scientists) builds the intelligence that drives Decathlon's sustainable transformation. We bridge the gap between raw data and concrete action to make repairing, renting, and second‑hand as natural as buying new. Our challenge? Reducing environmental footprint while securing a circular and efficient business model on a global scale.

YOUR FUTURE CONTRIBUTION

As a Junior Data Analyst, you will join the Advanced Analytics team dedicated to Rental and Second Life business models. Your goal will be to dive deep into our circular customer data to understand their profiling, purchasing behavior, and lifecycles at a global scale.

On a daily basis, you will participate in:

• Scoping business needs: Partnering with Design/UX Research and Marketing teams to translate business questions into concrete data problems.
• Data exploration & preparation: Diving into databases to extract, clean, and analyze trends.
• Modeling: Helping build and test smart segmentations or propensity scores.
• Impact Measurement: Analyzing model performance and measuring the actual impact of marketing campaigns.
• Data Visualization: Designing and maintaining clear, actionable Tableau dashboards for business stakeholders.

WHAT YOU BRING

We recruit sports lovers who have a positive mental attitude, are adaptable, and are open‑minded.

• Education: You are currently pursuing a Master’s degree (M1 or M2) specialized in Data, Statistics, or Big Data.
• Technical Skills: Strong proficiency in SQL and Python (Pandas, Numpy). A first experience or university project using Tableau is a significant plus.
• Business Appetite: A genuine interest in customer behavior and how data can drive loyalty in a circular economy context.
• Soft Skills: Excellent teamwork spirit, a culture of sharing, humility, and curiosity.
• Impact-Driven: A desire to use your technical skills for Tech4Good and sustainable innovation.

TECHNICAL STACK

• Databricks (SQL / Python)
• Tableau

WHAT WE OFFER

• Equipment provided in accordance with your missions and our societal commitments (Mac or Windows).
• A local project team within a global network (international career possibility).
• Skills development and support (diversity of projects, internal and external training, etc.).
• Compensation package (employee shareholding, monthly/quarterly bonuses).

OUR COMMITMENT TO INCLUSION AND ACCESSIBILITY

At Decathlon, we recognize the immense value that diversity brings to our teams and we continuously strive to foster and cultivate an inclusive and equitable workplace: this is why inclusion is one of our Human Fundamentals. We encourage people of all backgrounds and abilities to apply, as we are convinced that the diversity of thoughts, cultures, identities and lived experiences makes us stronger. Decathlon is also committed to offering an inclusive and accessible selection process to all candidates. If you need any adjustment, you can request it via the application form, it will be confidential. These requests do not affect the outcome of the recruitment process.

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