Senior Machine Learning Engineer, Criteo

Causality

Salary not provided

+ Performance-based rewards and potential for equity

Python

Java

C++

Senior and Expert level

Paris

The commerce media platform for the open internet

Be an early applicant

The commerce media platform for the open internet

1001+ employees

B2BMarketingAdvertisingData Analysis

Be an early applicant

Salary not provided

+ Performance-based rewards and potential for equity

Python

Java

C++

Senior and Expert level

Paris

1001+ employees

B2BMarketingAdvertisingData Analysis

Company mission

To help marketers and media owners reach their goals through the world's leading Commerce Media Platform.

Job

Company

Role

Who you are

If you’re excited by incrementality, experimentation, and large-scale ML systems, this role is for you
You hold a Master’s degree or PhD in Machine Learning, Computer Science, or a related quantitative field 🎓
You possess at least 5 years of experience as a ML Engineer or Data Scientist/ Researcher
You have hands-on development experience in at least one mainstream programming language (Python, Java, C++, etc.) 💻
You are skilled in sourcing, cleaning, manipulating, and analyzing large-scale datasets, ideally in a Hadoop-based environment 📈
Experience with both classical and state-of-the-art machine learning techniques is a strong plus 🤖
You are fluent in English and comfortable working in international, multicultural teams 🌍
You are curious, rigorous, and motivated by problems where science, product, and business impact meet 💡
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!

What the job involves

By joining the AI for Performance group, you’ll become part of a global R&D organization of 1,000+ engineers, while working day to day in a small Product Engineering team (5–7 people)
You’ll sit at the intersection of machine learning, data, and product, helping us measure and predict the causal impact of our advertising, and directly influence how our products perform at scale
Analyze the causal impact of Criteo’s advertising campaigns using experiments, third-party data, and advanced measurement techniques 📊
Develop machine learning models to predict causal impact and influence our bidding strategies 🎯
Design and build multi-stage data pipelines, processing terabytes of data every day 🏗️
Contribute to tooling for A/B test analysis, ensuring accurate measurement of campaign and product performance 🔬
Collaborate closely with Data, Product, and Engineering teams to bring research into production 🤝
Actively contribute to a strong scientific and engineering culture, sharing best practices and new ideas 📚✨

Our take

Commerce marketing is a huge business with billions spent every year on adverts. And companies that help businesses create and deliver more targeted adverts can command a lot of value. Criteo is one such company operating in this space.

Criteo is a personalised retargeting company connecting marketers and media owners through its Commerce Media Platform, delivering richer consumer experiences. Criteo uses machine-learning technology and data to drive performance, helping marketers and media owners reach their goals.

As marketers are increasingly looking for commerce media solutions, Criteo is operating in a sought-after space. Further, around 73% of media owners seek to optimise media performance as a way to both generate awareness and drive revenue, meaning the company has a significant potential client base. Criteo has continued to make headway here, driving 5 billion ads per day, and is well set to see further adoption of its platform.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Top investors

6% employee growth in 12 months

Glassdoor (4.2)

Trustpilot (2)

Company

Funding (last 2 of 4 rounds)

Sep 2012

$38.6m

SERIES D

May 2010

$7m

SERIES C

Total funding: $59.6m

Company HQ

New Athens, Paris, France

Leadership

Michael Komasinski

(CEO)

Prior to joining Criteo in 2025, Michale was the CEO of the America and Group President of Data and Technology at dentsu. He also spent nearly 9 years at Merkle, in various roles, including President of the Americas and Global CEO.

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