1,393,162open jobs
80,767companies
206,875added this week
Browse all
Salary
≈ $61k – $182k per year (Estimated)
Location
Hybrid (Paris, Grenoble, France)
Seniority
Intern
Employment
Internship

Confirmed on the employer's own hiring board on Oct 9, 2026. First seen by Alion on Sep 22, 2026.

Overview
Company
Impact
Profile match
Criteo is a commerce media platform founded in Paris in 2005 that started as a retargeting specialist. Its algorithms match shopper intent with retailer inventory across display, retail media and video advertising. The company is listed on Nasdaq and remains one of the largest French technology employers with research centres in Paris and Grenoble.

What You'll Do:

In a team, you will be working closely with your mentor to drive your project, design and ensure best practices are applied. You can ask questions and participate in all knowledge sharing sessions/workshops, etc. You are encouraged to actively voice your ideas whilst learning how to build and ship quality code into production which will likely affect millions of users instantly. Identify key problems, devise solutions, build prototypes, and stay current on published state-of-the-art algorithms. Gather and mine large data sets for turning them into understandable and actionable insights to ensure Criteo remains one step ahead of competitive threats. You will develop high-performance algorithms, test and implement the algorithms in scalable, product-ready code.

Projects you could work on:

  • Technical improvements in product recommendation engine and its APIs.
  • Using Machine Learning models to predict the affinity of a user with certain category of products or with a certain brand.
  • Improving the current models we have in production, which might include (amongst others) feature and model engineering, offline evaluation and online testing of the models.
  • Extracting product attributes from information provided by our advertisers.
  • Contribute to the stream of studies around the fairness of AI-driven advertisement (e.g. studying the behavior of our platform, propose and implement fixes, etc.)

Who You Are:

  • You are currently in your last year of Bsc/Msc degree in a quantitative field (Engineering, Mathematics, Statistics, Computer Science).
  • Experience with traditional and modern statistical learning techniques and you are proficient at processing data.
  • Implementation experience with high-level languages, such as Python, Scala, Java, C*.
  • Good communication skills in English.

We acknowledge that many candidates may not meet every single role requirement listed above. If your experience looks a little different from our requirements but you believe that you can still bring value to the role, we’d love to see your application!

Who We Are:

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.

What 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.

Additionalbenefits may vary depending on the country where you work and the nature of your employment with Criteo.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,393,162 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Paris
≈ $76k – $180k per year (Estimated) • Hybrid • 6+ years exp • Bachelor's Degree • Paris
Python
JavaScript
SQL
AI/ML
LLM
Apply
≈ $52k – $130k per year (Estimated) • In office • Full-Time • Courbevoie
Python
Java
TypeScript
AI/ML
Copilot
Cursor
Claude Code
Model Context Protocol
Context Engineering
DevOps
Terraform
Azure DevOps
GitHub Actions
Azure
CI/CD
Git
Docker
Kubernetes
GitLab
Cybersecurity
SonarQube
Management
Agile
Apply
≈ $90k – $223k per year (Estimated) • In office • Paris
AI/ML
Machine Learning
Apply
≈ $92k – $228k per year (Estimated) • In office • PhD • Paris
AI/ML
JAX
MLX ML
PyTorch
Pre-training
Machine Learning
Apply
$68k – $92k per year • Hybrid • Sophia Antipolis
Python
AI/ML
OpenAI Codex
Structured Outputs
Agentic Workflows
Tool Use
Apply
In office • 3+ years exp • Bachelor's Degree • Paris
AI/ML
LangGraph
AutoGen
LangChain
CrewAI
Apply
$11k – $25k per year • In office • Internship • Paris
Apply
$11k – $25k per year • In office • Internship • Master's Degree • Paris
PHP
PHP
WordPress
Design
Adobe Photoshop
Apply
$11k – $25k per year • In office • Internship • Paris
PHP
PHP
WordPress
Design
Adobe Photoshop
Apply
In office • Internship • PhD • Paris
Python
JavaScript
Java
TypeScript
AI/ML
AI Agents
LLM
Machine Learning
Frontend
Vue.js
Angular
React.js
Web Components
DevOps
Kubernetes
GitHub
Apply
See all jobs
This is one of many
1,393,162 more open roles from verified company boards, updated every day.