Senior Site Reliability Engineer, Criteo

Factory Continuous Deployment

Salary not provided

React

Docker

Kubernetes

TypeScript

Groovy

Python

Scala

Java

Linux

Kibana

Vue.js

Jenkins

Chef

Prometheus

Grafana

Angular 14+

Senior and Expert level

Paris

The commerce media platform for the open internet

Be an early applicant

The commerce media platform for the open internet

1001+ employees

B2BMarketingAdvertisingData Analysis

Be an early applicant

Salary not provided

React

Docker

Kubernetes

TypeScript

Groovy

Python

Scala

Java

Linux

Kibana

Vue.js

Jenkins

Chef

Prometheus

Grafana

Angular 14+

Senior and Expert level

Paris

1001+ employees

B2BMarketingAdvertisingData Analysis

Company mission

To help marketers and media owners reach their goals through the world's leading Commerce Media Platform.

Job

Company

Role

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 8+ years developing complex systems using languages like C#, Python, Java, Scala
Skilled in front-end frameworks (Angular, React, Vue.js) 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 like Prometheus/Grafana or Elastic Search/Kibana
Collaborative, agile-minded, curious, and passionate about quality, user experience, and continuous learning

What the job involves

As a Senior Site Reliability Engineer in the Factory - Continuous Deployment team at Criteo, you'll build tools which 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)
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
Enable agentic workflows within our continuous deployment pipelines by building domain-specific agents and exposing internal services via MCP to automate failure analysis and debugging, orchestrate progressive rollouts, and deliver intelligent self-service capabilities to engineering teams
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

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

Top investors

6% employee growth in 12 months

Glassdoor (4.2)

Trustpilot (2)

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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