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About the Role

We are seeking skilled and motivated Data Scientists to join our team in Paris. You will work at the intersection of product, research, and engineering, analyzing user behavior, optimizing product performance, and designing data-driven features that enhance our AI product suite. This role is ideal for someone who thrives in a dynamic environment, enjoys tackling ambiguous problems, and wants to influence our product roadmap directly.

Responsibilities

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

Requirements

Proficiency in Python as well as SQL.
Highly technical but with a strong product acumen.
Experience in extracting insights from large and complex data, summarizing findings and sharing takeaways for product and engineering teams.
Strong statistical intuition and experience with experimental design, causal inference and machine learning algorithms.
Excellent communication and ability to explain complex technical concepts to non-technical audiences.
Creative, curious, and innovative—you love exploring new ways to use data.

Skills

Python
SQL
Data Analysis
Statistical Modeling
Machine Learning
Experimental Design
Causal Inference
A/B Testing

Location

Paris

Work Type

Full-time

Experience Level

Seniority varies

Benefits

Comprehensive benefits package designed to support well-being, growth, and work-life balance.
Healthcare coverage
Parental leave
Retirement plans
Relocation support
Wellness programs
Meal and transportation allowances
Other location-specific perks

About the Company

Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute.
We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that they can run on their terms.
We are a dynamic, collaborative team passionate about AI and its potential to transform society.
Our diverse workforce thrives in competitive environments and is committed to driving innovation.
Our teams are distributed between Europe, North America, Asia and the Middle East.
We are creative, low-ego and team-spirited.