Staff Software Development Engineer

What You'll Do:

You will join a team in charge of the AI-Platform used by many Criteos to experiment and operate their machine learning models.

The team mission is to enable all people using AI for Performance and Innovation to use best-in-class AI methods in Criteo Production: build and operate the ML OPS stack of Criteo.

• Help Criteos that consult with our team on their machine learnings experiments and production usage of our platform.

• Design and implement new features and guide the architectural evolution of the platform.

• Investigate and solve scalability & performance bottlenecks that arise with platform usage growth.

• Migrate to newer or better libraries / frameworks.

Our stack:

• A C# client prediction library used in very high scale contexts.

• Scala/Java and C# components to handle the experimentation and production pipelines.

• Nvidia Triton for high scale deep prediction inference on GPUs.

• Python tools and libraries used by ML engineers.

Who You Are:

• You have at least 4-5 years of experience with developing and extending large and complex systems.

• You have MLOps experience.

• You are proficient in, at least one programming language such as C#, Scala, and Python. You can adapt very quickly, choose and use the best tool for the job.

• You love algorithms and new technology.

• You are also a great team worker and a great communicator in English, both written and spoken. You are strongly committed to quality designs, automated testing and documentation.

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:

Criteo is a leader in commerce media, helping brands, agencies, and publishers create meaningful consumer connections through AI-powered advertising solutions. We’re shaping a more open and sustainable digital future for advertising.

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.

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