Site Reliability Engineer Intern

Criteo Deutschland; Paris; Hybrid; EUR 13,000 - 20,000; Part time

Benefits offered by this job

Hybrid work model

Learning & mentorship

Health benefits

Equity potential

Job summary

Criteo seeks an Site Reliability Engineer Intern in Paris, working with a 5–7 person Platform team to learn and ship code that supports millions of users. You’ll explore observability, data processing, and deployment topics while shadowing experienced engineers.

Ideal candidates are final-year students in System/Software Engineering, fluent in English, and comfortable in a Linux environment. This hybrid internship focuses on practical, production-grade contributions.

Qualifications

• Final year in System/Software Engineering or related field.
• Interest in web applications and Linux environments.
• Strong problem solving and communication skills.

Responsibilities

• Collaborate with mentor to drive your internship project.
• Learn and apply best practices to build quality code.
• Participate in knowledge sharing sessions and workshops.

Skills

Object Oriented Programming

Linux

Team player

Fluent English

Education

Final year student in System/Software Engineering

Tools

Prometheus

Grafana

Elasticsearch

Kibana

Job description

Location & Role

• Paris, France
• Engineering
• Internship

Job Title

Site Reliability Engineer Intern

What You’ll Do

The Platform teams keep one of the largest computing platforms in the AdTech world functioning like clockwork. They keep our products running using a broad selection of technologies, like large scale data compute & storage services (Hadoop, SQL & NoSQL), streaming (Kafka), platform as a service (Chef, Mesos), identity management (Kerberos) and analytics (Hive, Druid, Vertica), as well as an extensive monitoring/observability infrastructure.

For the Internship, you will be in a team of 5-7, working closely with your mentor to drive your project, design and ensure best practices are applied. You can ask questions and participate in all knowledge sharing sessions/workshops, etc. You are encouraged to actively voice your ideas whilst learning how to build and ship quality code into production which will likely affect millions of users instantly.

During Your Internship (6 Months) And According To Your Choice, Skills And Interest, You Can Tackle One Of The Following Subjects/ Teams:

• Observability: Select, test and integrate a reporting tool with the current stack: Prometheus / Graphite / Grafana / Elasticsearch / Kibana. Migrate Grafana to containers and integrate with SSO. Build a log streaming interface
• Data Processing: Be part of a team that builds our Bigdata Flow platform and writes code to provide insight, give the platform users info about changes impacting their datasets (2) and even hint them about optimization opportunities.
• Distributed System SDKs: Smart cache invalidation in a distributed system.
• Continuous Deployment: Implement a mutation testing solution that is integrated into the Criteo CI/CD pipeline.
• Product Reliability Engineering: Migrate admin handlers' UI to Angular and help develop a load testing pipeline.
• Rivers: Create a Streaming Portal UI.
• Data Development Cycle: Leverage the data that we scrape from all our data processing systems to provide automatic monitoring and alerting and in-depth analysis to data producers so that they can understand the sources of delays and make better decisions on the design of their pipeline dependencies.

Who You Are

• You are in your final year of study in System/Software Engineering or related fields.
• You are interested in developing web-based applications and working on Linux environment.
• You are experienced in Object Oriented Programming.
• You are a problem solver, a fixer, and a creative technologist. We believe coding is a talent and a passion, not just a skill.
• You are a strong communicator and a team player who can work efficiently with others.
• You are fluent in English.

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

We’re Criteo, the Commerce Intelligence Platform. Criteo helps businesses turn shopper signals into commerce outcomes while delivering more relevant experiences for shoppers. We use proprietary commerce intelligence and AI decisioning to drive relevance for shoppers and performance for businesses.

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.

What We Offer

• 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.
• Happy people make healthy teams, so we value employee well-being above all else. Discover the perks & benefits we offer all our Criteos!!

Future and Culture

Everything you need to know about our culture, vision, values, and how we live them with people, both in and out of Criteo, is in our Culture Book. Discover who we are, what we do, and how we act as a company and as Criteos!

Criteo came to spring off of a few great minds, back in 2005. From the start-up incubator to the global company we are now, Criteo has grown, standing now for 37 offices and further coworking spaces across the globe. In France, we welcome around 1,000 Criteos in our two spacious and collaborative hubs of Paris and Grenoble.

At Criteo, we believe great people and reliable products are essential to build an open future for all.