Data Scientist

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

Seeking a Data Scientist to analyze user behavior, optimize AI product performance, and design data-driven features. This role involves defining key metrics, designing experiments, implementing end-to-end data science projects, and evaluating model performance in training and production. Requires proficiency in Python and SQL, strong statistical intuition, and experience with experimental design and machine learning algorithms.

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
  • Statistical modeling
  • Machine learning algorithms
  • Experimental design
  • Causal inference
  • Data analysis
  • A/B testing

Nice to have

  • DBT

What the JD emphasized

  • Minimum of 2 years of industry experience as a Data Scientist
  • Master's or Ph.D. degree in Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field
  • Proficiency in Python
  • Proficiency in SQL
  • Strong statistical intuition
  • Experience with experimental design
  • Experience with causal inference
  • Experience with machine learning algorithms
  • Creative, curious, and innovative
  • Low-ego
  • Team player

Other signals

  • Analyze user behavior
  • Optimize product performance
  • Design data-driven features
  • Enhance AI product suite
  • Influence product roadmap