Site Reliability Engineer, Criteo
Core Analytics Infrastructure
+ Potential for equity depending on role and level
The commerce media platform for the open internet
Open for applications
The commerce media platform for the open internet
1001+ employees
Open for applications
+ Potential for equity depending on role and level
1001+ employees
Company mission
To help marketers and media owners reach their goals through the world's leading Commerce Media Platform.
Role
Who you are
- Master's or PhD in Computer Science (or equivalent experience)
- 5+ years in backend engineering, SRE, DevOps, or distributed systems
- Strong coding skills in Scala, Java, or another statically typed language; scripting experience in Python or Ruby
- Deep understanding of distributed systems: design, tuning, scalability, reliability
- Experience with analytic databases and concepts such as query optimization, concurrent data access, and large-scale storage
- Solid experience with Linux/UNIX environments
- Hands-on knowledge of container technologies (Docker) and orchestration systems (Mesos, Kubernetes)
- Strong SRE mindset: passion for automation, observability, reliability, documentation, and reducing toil
- Familiarity with CI/CD pipelines, configuration management, and infra-as-code
- Excellent communicator—able to explain complex systems clearly and collaboratively
- Team player with a proactive mindset
- Comfortable working in high-scale environments and taking ownership of complex problems
- Willingness to join the team’s on-call rotation
- 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!
What the job involves
- The Platform Core group at Criteo is composed of seven agile, human-sized teams providing the foundational platform and systems powering all Criteo products
- Within this group, the Analytics Infrastructure team builds and operates the distributed, multi-datacenter analytic data stores and platforms enabling interactive querying, exploration, and large-scale data processing for internal and external use cases
- You will join a highly skilled engineering environment managing some of the largest analytical systems in Europe, supporting massive data volumes and high concurrency across hundreds of services and applications
- Design, build, and evolve multi-datacenter, large-scale analytic systems focusing on performance, scalability, and resilience
- Operate and improve core analytical data stores: Vertica, Presto, Druid, Tableau, and related systems
- Ensure high reliability and low latency for systems accessed by diverse internal and external clients
- Build and maintain automation stacks end-to-end using tools such as Chef, Mesos, Docker, Kubernetes
- Develop internal management, deployment, and monitoring tools, primarily in Scala, with opportunities to use Python or Ruby
- Enhance self-service capabilities to empower engineering teams while maintaining high operational standards
- Own the full lifecycle of reliability: monitoring, troubleshooting, on-call rotation, incident management, root cause analysis, and long-term fixes
- Define and implement best practices for observability, automation, SLIs/SLOs, capacity management, and cost/performance optimization
- Drive technical innovation, migrations (including to Kubernetes), and reliability improvements across platform components
- Partner with product teams, data stakeholders, and platform engineers to ensure consistency, usability, and performance
- Share technical vision, contribute architectural proposals, and influence system evolution across the organization
- Document processes and systems extensively to improve onboarding and daily operations
Our take
Commerce marketing is a huge business with billions spent every year on adverts. And companies that help businesses create and deliver more targeted adverts can command a lot of value. Criteo is one such company operating in this space.
Criteo is a personalised retargeting company connecting marketers and media owners through its Commerce Media Platform, delivering richer consumer experiences. Criteo uses machine-learning technology and data to drive performance, helping marketers and media owners reach their goals.
As marketers are increasingly looking for commerce media solutions, Criteo is operating in a sought-after space. Further, around 73% of media owners seek to optimise media performance as a way to both generate awareness and drive revenue, meaning the company has a significant potential client base. Criteo has continued to make headway here, driving 5 billion ads per day, and is well set to see further adoption of its platform.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
6% employee growth in 12 months
Company
Funding (last 2 of 4 rounds)
Sep 2012
$38.6m
SERIES D
May 2010
$7m
SERIES C
Total funding: $59.6m
Company HQ
New Athens, Paris, France
Leadership
Michael Komasinski
(CEO)Prior to joining Criteo in 2025, Michale was the CEO of the America and Group President of Data and Technology at dentsu. He also spent nearly 9 years at Merkle, in various roles, including President of the Americas and Global CEO.
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