Software Development Engineer

CRITEO is looking for a Senior Development Software Engineer for its Product Engineering team.

In this role, you will:

• Design and build business-critical APIs, services and backend components that for some have to answer in less than 30ms, and at very large scale (up to 300 Bn requests per day)

• Work closely with the Product and Program Management teams to ensure best architectures and products,

• Interact with multiple multi-cultural R&D teams to ensure the right communication between the client-facing applications and the other Criteo systems,

• Continuously deploy the applications,

• Contribute to promoting a strong engineering culture, passion for quality and things well done. This is only part of the job. Using the information collected through meet-ups and conferences, you will strengthen our systems by building a state-of-the-art application, whether in terms of framework or library, or in terms of best practices (testing, continuous integration/deployment strategies).

• You are a passionate software engineer, interested in low-latency/large-scale back-end systems but you are also eager to understand and implement product and business requirements.

• You have at least 3 years of experience with developing and extending large and complex systems.

• You have a solid experience in Object Oriented Programming (C#, Python, C++, Java, Scala, Spark, etc.).

• You like reusability and making complex things simple.

• You are curious about innovative technologies, eventually leading personal subjects on the matter.

• You have a "can do" attitude and the ability to work on problems by thinking positively and in a collaborative manner.

• You have worked in Agile environments and are passionate about shipping high quality code

What do we offer?

• You will be part of a recognised engineering R&D team of about 1000 engineers in our industry, with an active presence to international conferences, meet-ups and demos all around the globe.

• Our culture keeps evolving, and you will be expected to contribute actively with new ideas to complement and enhance the existing programs which include frictionless internal mobility, 10% time, mentoring, technical talks, hackathons, etc.

• At Criteo, we value your work-life balance with a hybrid policy

• We offer a competitive package, stock options and many perks according to your location.

• Are you curious about our company culture? Don't hesitate to have a look at our career website :

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​

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.  

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.