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Data Scientist

Mistral AIParisEngineering & Infra
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Salary
Not listed
Job type
Full-time
Posted
8 Jul 2026
Status
Open · checked 7d ago

About this role

Mistral AI is seeking a Data Scientist to join the team in Paris for a full-time position within the Engineering and Infra department. This professional will operate at the intersection of product, engineering, and research to analyze user behavior, optimize product functionality, and shape the artificial intelligence product suite.

Role Overview

The Data Scientist position is based in Paris and requires working on-site within a dynamic and collaborative team. This role suits professionals who want to tackle ambiguous problems, influence the product roadmap, and contribute to cutting-edge artificial intelligence solutions.

Key Responsibilities

Establish key metrics, analyze AI product performance thoroughly, and pinpoint areas for enhancement.
Create and evaluate experiments, including A/B tests and causal inference, to test hypotheses and direct product choices.
Execute end-to-end data science initiatives, covering data gathering, preprocessing, model development, evaluation, and deployment.
Monitor model effectiveness during training and in production environments, spot edge cases, and build frameworks for tracking user satisfaction.
Collaborate closely with the engineering team to guarantee data quality and accessibility for machine learning and analytics.
Guide colleagues and promote data science best practices, depending on the seniority level.

Requirements

Demonstrated proficiency in Python and SQL.
Strong technical foundation combined with sharp product intuition.
Background in deriving actionable insights from large, intricate datasets to brief engineering and product groups.
Solid statistical knowledge paired with practical exposure to experimental design, machine learning algorithms, and causal inference.
Clear communication abilities to translate intricate technical ideas for non-technical stakeholders.
An innovative, curious, and creative mindset regarding exploratory data usage.

Skills and Tools

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

About the Company

Mistral AI delivers comprehensive artificial intelligence solutions ranging from frontier models and developer tools to custom applications and compute resources. The organization partners with enterprises across high-stakes fields such as healthcare, finance, manufacturing, defense, and the public sector. The team operates globally across Europe, North America, Asia, and the Middle East, maintaining a collaborative, low-ego, and creative culture.

How to Apply

Interested candidates should submit their application directly through the official Mistral AI careers page.

Skills and tech stack

PythonSQL

Questions candidates ask

Where is the Data Scientist position located?

The position is based in Paris, France.

What programming languages are required?

Proficiency in both Python and SQL is required for this role.

What does the hiring process involve?

The hiring process includes a recruiter intro call, a hiring manager interview, a technical interview covering Python, statistics, and machine learning, a homework assignment with a review presentation, a value talk interview, and reference checks.

What department does this role belong to?

This role belongs to the Engineering and Infra department.

What type of employment is this?

This is a full-time employment opportunity.

Ready to apply?

The application is on the official Mistral AI careers page.

Apply on company site