Senior Machine Learning Engineer

Strong foundations in Machine Learning, Deep Learning, Statistics, or Applied Mathematics.

Experience building, training, and evaluating deep learning models in production environments.

Familiarity with modern approaches such as Transformers, representation learning, recommendation systems, sequence modeling, or generative AI.

Proficiency in Python and machine learning frameworks such as PyTorch.

Experience working with large-scale datasets and distributed training environments.

A strong experimental mindset, combining scientific rigor with a focus on measurable outcomes.

The ability to collaborate effectively across research and engineering teams.

Our Technical stack:

At Criteo AI Lab, you'll work on large-scale recommendation and prediction systems tackling challenges in personalization, ranking, optimization, and user understanding.

Our teams leverage:

Python and PyTorch for model development

Large-scale distributed training infrastructure and GPU computing

Petabyte-scale data processing platforms

Advanced online experimentation and A/B testing frameworks

Real-time inference systems operating under strict latency constraints

Modern MLOps practices to bring innovations from research to production

What makes this team unique is the opportunity to bridge research and production, transforming cutting-edge AI innovations into products serving billions of advertising opportunities every day.

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!

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.

🏢 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.

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