Product Data Scientist Intern

About the Position

Product Data Scientist Intern

Criteo is looking for new talented interns able to start from September 2026! Join our Product Analytics & Data Science team in Paris, France, and work on complex product challenges using advanced analytics and machine learning.

Responsibilities

• Support the Measurement and R&D teams to build a comprehensive, practical, and universal measurement framework.
• Improve Identity & Privacy solutions by optimizing our capability to recognize users across all their devices and their interactions in the open-internet.
• Work with the Quality Ad Experience team to pivot our user-level personalization engine and delivery rules to contextual and/or audience-based strategy.
• Explore and support the development of our New Marketing Outcomes: Video & CTV, Contextual, and Omnichannel.
• Build the Buyer Index, a decision support service to improve the performance of digital ad campaigns in meeting clients’ goals across all addressability scenarios: addressable, cohort-based, or contextual.
• Work with the Trading Strategies team, to offer a suite of controls to our advertisers and enhance the performance of our business models: budget, audience, targeting.

Requirements

• Master’s degree student or higher (Mathematics, Computer Science, Physics, Engineering, Economics, etc.)
• Available for at least 5 to 6 months from September
• End of study or gap year internship
• Outstanding analytical skills and creative thinking
• Fluency in the core toolkit of Data Science:
  • Python
  • SQL
  • Manipulating large-scale data sets
  • Building data pipelines
  • Descriptive and predictive modeling
  • Implementing visualizations, dashboards, and reports
• Excellent interpersonal and communication skills, proactive and independent to work with!

We Offer

🏢 Ways of working – Our hybrid model blends home with in-office experiences, making space for both.

📈 Grow with us – Learning, mentorship & career development programs.

💪 Your wellbeing matters – Health benefits, wellness perks & mental health support.

🤝 A team that cares – Diverse, inclusive, and globally connected.

💸 Fair pay & perks – Attractive salary, with performance-based rewards and family-friendly policies, plus the potential for equity depending on role and level.

About the Company

We’re Criteo, the Commerce Intelligence Platform. Criteo helps businesses turn shopper signals into commerce outcomes while delivering more relevant experiences for shoppers. We use proprietary commerce intelligence and AI decisioning to drive relevance for shoppers and performance for businesses.

At Criteo, our culture is as unique as it is diverse. From our offices across the globe or from the comfort of home, our 3,600 Criteos collaborate together to build an open, impactful, and forward-thinking environment.

We foster a workplace where everyone is valued, and employment decisions are based solely on skills, qualifications, and business needs-never on non-job-related factors or legally protected characteristics.