Data Scientist

Mistral AI Mistral AI · AI Frontier · Paris, France · Engineering & Infra

Mistral AI is seeking a Data Scientist in Paris to work on their AI product suite. The role involves analyzing user behavior, optimizing product performance, and designing data-driven features. Responsibilities include defining key metrics, designing and analyzing experiments, implementing data science projects from data collection to model deployment, evaluating model performance, and ensuring data quality. The ideal candidate has strong Python and SQL skills, product acumen, experience with large datasets, statistical modeling, experimental design, and causal inference.

What you'd actually do

  1. Define key metrics, understand in-depth the performance of our AI products, and identify opportunities for improvement.
  2. Design and analyze experiments (A/B tests, causal inference) to validate hypotheses and guide product decisions.
  3. Design and implement end-to-end data science projects, from data collection and preprocessing to model building, evaluation, and deployment.
  4. Evaluate model performance in training and production, identifying edge cases, and develop frameworks to measure user satisfaction.
  5. Work with engineering to ensure data quality and accessibility for analytics and ML.

Skills

Required

  • Python
  • SQL
  • Data analysis
  • Statistical modeling
  • Machine learning algorithms
  • Experimental design
  • Causal inference
  • Extracting insights from large and complex data
  • Summarizing findings
  • Sharing takeaways
  • Communication skills

Nice to have

  • mentor peers
  • share best practices

What the JD emphasized

  • strong product acumen
  • Evaluate model performance in training and production
  • develop frameworks to measure user satisfaction

Other signals

  • Analyze user behavior
  • Optimize product performance
  • Design data-driven features
  • Enhance AI product suite
  • Evaluate model performance