Decathlon Digital

Senior Data Analyst - Demand & Assortment Planning...

Job description

About Decathlon

Decathlon aims to become the best sports digital platform and open ecosystem in the world. We want to enable customers to experience Decathlon through many local sport-centric experiences by connecting many third-party actors and services, in a secure and performant way.

Our digital teams in Lille, Paris, and Amsterdam (and more…) which bring together more than 5000 collaborators are united to build and scale digital products with the aim to always deliver the best value to our users. With a presence in more than 70 countries, Decathlon is committed to innovation, sustainability, and customer satisfaction.

Job Description

As a Senior Data Analyst in the Supply Chain department, specifically within the Demand and Assortment Planning team, you will play a crucial role in analyzing and interpreting data to optimize our inventory management, forecasting, and assortment planning processes.


  • Analyze time series data to identify trends, patterns, and anomalies related to demand forecasting and assortment planning.
  • Help develop models and algorithms to improve demand forecasting accuracy and optimize inventory levels.
  • Collaborate with cross-functional teams to gather requirements, define metrics, and develop actionable insights.
  • Create reports, dashboards, and visualizations to communicate findings and recommendations to stakeholders.
  • Continuously monitor and evaluate the performance of forecasting models, making adjustments as necessary.
  • Identify opportunities for process improvement and automation to enhance efficiency and effectiveness in demand forecast and planning.

Hard Skills

  • Proficiency in data analysis and statistical modeling techniques, with a focus on time series analysis.
  • Strong programming skills in languages such as Python, and SQL for data manipulation and analysis.
  • Experience working with large datasets and performing data cleansing, transformation, and validation.
  • Familiarity with data visualization tools such as Tableau, Power BI, or matplotlib/seaborn.
  • Knowledge of supply chain principles and inventory management concepts is a plus.

Soft Skills

  • Excellent problem-solving skills with a keen attention to detail.
  • Strong communication skills to effectively convey complex technical concepts to non-technical stakeholders.
  • Ability to work independently and collaboratively in a fast-paced, dynamic environment.
  • Adaptability and willingness to learn new tools and technologies.
  • Strong analytical mindset with a passion for leveraging data to drive business decisions.

Qualifications Basic Qualifications

  • Bachelor's degree in Computer Science, Statistics, Mathematics, Economics, or a related field.
  • Proven experience in data analysis and/or supply chain analytics.

Preferred Qualifications

  • Master's degree or higher in a relevant field.
  • Experience working in the retail industry, particularly in supply chain management or demand planning.
  • Familiarity with machine learning algorithms and techniques for predictive modeling.
  • Previous experience with demand forecasting software or enterprise resource planning (ERP) systems.

Technical Environment

  • Execution Engine: Databricks, AWS EKS, Sagemaker
  • Payload: Python, Spark, Scikit-Learn, Tensorflow / Pytorch, Pyspark
  • CICD: Github Actions
  • Serving: Docker, Protobuf, gRPC
  • Model registry, Model Tracking: MLFlow
  • Orchestration: Airflow
  • Documentation / code: Git, Confluence
  • Data Visualisation: Tableau


  • Freedom of choice of work tool (Mac, Windows)
  • Upgrading of skills (diversity of projects, languages and technologies)
  • Internal and external training courses
  • Shareholders
  • Remote Friendly: 2 days/week
  • Monthly and quarterly premiums

Joining Decathlon means being part of a dynamic team passionate about sports, innovation, and making a positive impact on the lives of our customers. If you are enthusiastic about leveraging data science to optimize supply chain processes and drive business growth, we invite you to apply and be a part of our journey!


What if technology allowed us to push the boundaries and take sports experiences to new levels? That's exactly our goal at Decathlon Digital! We are a team of 5,000+ experts in software engineering, product management, data, cloud, and cybersecurity, distributed across Paris, Lille, and Amsterdam. Together, we are creating the largest digital sports platform, leveraging tech innovation from design to value chain optimization, connected experiences and product second life.

Changing the game for good. We are in this for the love of sports. And like everything we love, we want it to last. That’s why we are embarking on a journey to create a more sustainable tech model, reducing our direct environmental impact while maintaining a safe, diverse, and inclusive space for all our people to learn and thrive together. Team up with us to design the digital future of sports.

Please let the company know that you found this position on this Job Board as a way to support us, so we can keep posting cool jobs.

Similar jobs

Browse All Jobs
April 23, 2024

Senior Data Engineer

April 23, 2024

Lead/Senior Data Scientist

April 23, 2024

Senior Data Analyst