What if, in your next adventure, you were surrounded by people who, like you, look for an unlimited playground to explore, share, and test, would you care to hear more? You've opened the right door! As an R&D team, making sure your ideas are heard and encouraged is what we strive to do!What You'll Do:

What's the Platform Factory Team?

The Platform Factory group, composed of seven agile and human-sized teams, provides an intuitive, integrated, performant and automated Software Factory that would flawlessly and continuously deploy to production any code change that would comply with the quality expectations.

How You'll Make An Impact

As a Site Reliability Engineer in the Platform Factory group at Criteo, you'll empower 1,000+ engineers by shaping and operating the internal developer platform that underpins the entire R&D organization.

From code hosting and CI/CD to observability, identity, and deployment, your work will directly impact developer velocity, reliability, and security at scale.

What You’ll Do

• Build and operate highly available, secure, and scalable services supporting Criteo’s private cloud developer platform - including source code management, CI/CD, observability, and IAM solutions.
• Design developer-facing tools and APIs to simplify workflows across the development lifecycle, from coding and review to deployment and monitoring.
• Support the continuous deployment infrastructure and ensure smooth, automated delivery of applications and services used across the company.
• Contribute to the evolution of authentication and authorization systems serving tens of thousands of servers and users with low-latency SSO and secure access.
• Foster a strong engineering culture by improving visibility, automation, and reliability through metrics, logs, and other observability best practices.
  
  
  

Stack:

• C#, Go, Python, Java, Scala
• TypeScript, Angular, CSS
• Docker, Kubernetes, Terraform, Jenkins
• MySQL, PostgreSQL, GraphDB
• Prometheus, VictoriaMetrics
• OpenTelemetry, Grafana, Kibana, Pyroscope, Tempo
• Keycloak, OpenLDAP, IAM, IDM, SSO, Authentication systems
  
  
  

Who You Are:

• You hold a master's or PhD degree in computer science, a related field, or equivalent practical experience.
• Experienced software engineer with 3+ years developing complex systems using languages like C#, Python, Java, and Scala.
• Skilled in front-end frameworks (Angular, React, Vue.js) and web technologies are a plus for some teams.
• Strong knowledge of Linux, containerization (Docker, Kubernetes), cloud/hybrid deployments, and CI/CD pipelines.
• Familiar with Identity & Access Management (AuthN/AuthZ, OAuth, SSO, MFA, RBAC) and database systems (MySQL, PostgreSQL, GraphDB).
• Proficient with observability tools such as Prometheus, Grafana, Kibana, and experienced in performance troubleshooting.
• Collaborative, agile-minded, curious, and passionate about quality, user experience, and continuous learning.
  
  
  

Take a look at our R&D blog on Medium for access and insight into our engineering culture and achievements.

We understand that you might not meet each of the outlined requirements listed above, or may have experience that is a little different from our specifications. If you think that you can still bring value to the role, we want to hear from you.

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 the global commerce media company that enables marketers and media owners to deliver richer consumer experiences and drive better commerce outcomes through its industry leading Commerce Media Platform.

At Criteo, our culture is as unique as it is diverse. From our offices around the world or from home, our incredible team of 3,600 Criteos collaborates to develop an open and inclusive environment. We seek to ensure that all of our workers are treated equally, and we do not tolerate discrimination based on race, gender identity, gender, sexual orientation, color, national origin, religion, age, disability, political opinion, pregnancy, migrant status, ethnicity, marital or family status, or other protected characteristics at all stages of the employment lifecycle including how we attract and recruit, through promotions, pay decisions, benefits, career progression and development. We aim to ensure employment decisions and actions are based solely on business-related considerations and not on protected characteristics. As outlined in our Code of Business Conduct and Ethics, we strictly forbid any kind of discrimination, harassment, mistreatment or bullying towards colleagues, clients, suppliers, stakeholders, shareholders, or any visitors of Criteo. All of this supports us in our mission to power the world’s marketers with trusted and impactful advertising encouraging discovery, innovation and choice in an open internet.

Why Join Us:

At Criteo, we take pride in being a caring culture and are committed to providing our employees with valuable benefits that support their physical, emotional and financial wellbeing, their interests and the important life events. We aim to create a place where people can grow and learn from each other while having a meaningful impact. We want to set you up for success in your job, and an important part of that includes comprehensive perks & benefits. Benefits may vary depending on the country where you work and the nature of your employment with Criteo. When determining compensation, we carefully consider a wide range of job-related factors, including experience, knowledge, skills, education, and location. These factors can cause your compensation to vary.