Site Reliability Engineer (Core Rivers)

As a Site Reliability Engineer in the Platform Core Rivers team at Criteo, you'll play a key role in building and operating a highly scalable and resilient data streaming platform.

What You'll Do

• Design, build, and evolve large-scale multi-dc Kafka infrastructure to meet our growing needs in performance, scalability, and resilience - where high speed and low latency are key.

• Collaborate across teams to ensure reliability and consistency, supporting developers with tools, automation, and best practices that balance autonomy and operational excellence.

• Drive innovation and transformation by migrating systems to Kubernetes and provide smart solutions to make the platform increasingly self-service to support evolving business and client needs.

• Take ownership of incidents, troubleshoot critical issues, and continuously improve systems through proactive monitoring, root cause analysis, and long-term fixes.

• Shape the future of our infrastructure by actively contributing to technical vision, sharing ideas, cost and performance optimization, and delivering solutions that have a company-wide impact across hundreds of services and applications.

• Stack: Kafka, Flink, Kubernetes, Java / Scala, Hadoop, Distributed Systems

Do you have experience in Root cause analysis?, Do you have a Master's degree?, * You hold a master's or PhD degree in computer science, a related field, or equivalent practical experience.

• You have 3+ years' experience in back-end or SRE roles, with strong coding skills and/or strong DevOps and system skills.

• Deep knowledge of distributed system, including design, tuning, and administration - with hands-on experience on Kafka and Kubernetes is a plus.

• Strong SRE mindset: you're passionate about automation, observability, and reliability at scale.

• Team player with excellent communication skills, a proactive attitude, and a drive to solve complex technical problems collaboratively.

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.

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.