Lille, France Hybrid Employment

Decathlon Digital is hiring a Senior Data Scientist - Downstream Demand Forecast - Value Chain (f/m/d)

About the Role

What You'll Do

Drive the creation and deployment of AI-powered forecasting systems that shape inventory planning and purchasing decisions. You'll analyze sales patterns, product data, and external variables like weather and seasonality to build predictive models that improve stock availability and reduce waste. Your work will directly influence supply chain efficiency across a global retail network.

Collaborate closely with business, engineering, and product teams to ensure data science initiatives align with operational goals. You'll refine existing forecasting methodologies, assess model performance, and translate complex findings into clear, strategic recommendations using data visualizations and reports. Stay ahead of advancements in machine learning and supply chain analytics to continuously improve system accuracy and scalability.

Requirements

  • Minimum of three years in data science with demonstrated expertise in statistical modeling, time series forecasting, and machine learning
  • Familiarity with supply chain operations, especially demand planning and inventory optimization
  • Ability to frame business challenges as data problems and deliver actionable insights
  • Proficiency in Python, Spark, TensorFlow, PyTorch, and related data science tools
  • Strong problem-solving skills and structured analytical thinking
  • Experience working in agile, multidisciplinary teams across data, product, and business functions
  • Curiosity to experiment with new methods and improve existing processes
  • Fluent English communication skills, both written and verbal

Technical Stack

You'll work with Databricks, AWS, and GCP for cloud infrastructure, using Python, PySpark, Scikit-Learn, TensorFlow, and PyTorch for modeling. The environment includes MLFlow for model tracking, Airflow for orchestration, Docker and Protobuf for deployment, and collaboration tools like Git, Confluence, and Tableau. Development workflows are supported by GitHub Actions and gRPC services.

Benefits

  • Hybrid work model with two days of remote work each week
  • Work from offices in Lille or Paris
  • Choice of work equipment aligned with project needs and sustainability values
  • Access to diverse projects and technical certifications from year one
  • Internal and external training for continuous skill development
  • Opportunities for international career growth within a global network
  • Employee share participation and performance-based monthly or quarterly bonuses
Required Skills
PythonSparkTensorFlowPyTorchScikit-LearnPysparkDatabricksAWSGCPGitHub ActionsMachine LearningTime Series AnalysisDemand ForecastingStatistical AnalysisSupply Chain Optimization PythonSparkTensorFlowPyTorchScikit-LearnPysparkDatabricksAWSGCPGitHub ActionsMachine LearningTime Series AnalysisDemand ForecastingStatistical AnalysisSupply Chain Optimization
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About company
Decathlon Digital
Decathlon Digital is a team of over 5,000 experts in software engineering, product management, data, cloud, and cybersecurity, based in Paris, Lille, and Amsterdam. They create the largest digital sports platform, leveraging technological innovations to optimize the value chain, design connected experiences, and give products a second life.
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Job Details
Department Downstream Demand Forecast team
Category data
Posted a day ago