Senior Site Reliability Engineer

What's the Platform Factory group ?

The Platform Factory group, composed of six 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. In other words, build, test and deploy faster, safer and smarter.

How You'll Make An Impact

As a Senior Site Reliability Engineer in the Factory - Continuous Deployment team at Criteo, you'll take the binaries built by CI and push them to production in a way which eliminates the unnecessary toil. The tools we provide manage deployment automation (Continuous Deployment, Perpetuo), configuration (Fleet Management System) and safety (Validation Gates, Release Freeze).

What You'll Do

• Build and operate highly available, secure, and scalable services supporting Criteo's private cloud developer platform.

• 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.

• Foster a strong engineering culture by improving visibility, automation, and reliability through metrics, logs, and other observability best practices.

• Core work: C#, TypeScript, Groovy

Nice to know: Scala, Python, Concourse-CI, RunDeck, Jenkins, Chef

• You hold a master's or PhD degree in computer science, a related field, or equivalent practical experience.

• Experienced software engineer with 8+ years developing complex systems using languages like C#, Python, Java, Scala.

• Skilled in front-end frameworks (Angular, React, ) and web technologies are a plus.

• Strong knowledge of Linux, containerization (Docker, Kubernetes), cloud/hybrid deployments, and CI/CD pipelines.

• Proficient in troubleshooting using observability tools likePrometheus/Grafana or Elastic Search/Kibana.

• 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

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.