Team Leader

The Global Automation team builds and operates systems that enable Criteo's commercial and operations teams to maximize business impact by providing reliable and scalable solutions. Our systems must be scalable, reliable, and adaptable, while providing robust interfaces and APIs to access Criteo's critical data.

We're looking for a Team Leader / Tech Leader who is passionate about back-end development, data pipeline management, and distributed systems. This role goes beyond just fostering team growth—it involves leading initiatives, facilitating key technical discussions, supporting team members by removing blockers, and ensuring smooth collaboration across projects. The ideal candidate is eager to take on these leadership responsibilities to drive both technical excellence and effective team dynamics.

• Design, develop, and deploy scalable back-end applications and data pipelines.

• Implement and maintain APIs used by Criteo's internal teams.

• Participate in architectural decisions in collaboration with Tech Leads and Engineering Managers.

• Ensure code quality through automated testing, CI/CD, monitoring, and best development practices.

• Optimize performance and ensure the security of our systems.

Technical Leadership and Team Management

• Be a technical reference: challenge technical decisions, share best practices, and guide the team on complex technical issues.

• Mentor junior developers through pair programming, code reviews, and structured feedback.

• Define technical roadmaps, lead projects, and collaborate with the Product teams.

• Take an active role in team management: facilitate technical discussions, support career growth, and foster a collaborative engineering culture.

We primarily work with:

• Python (back-end services, data pipelines)

• REST APIs and distributed systems

• Prometheus for monitoring

• CI/CD, GitHub Actions, Docker

• Agile methodologies (Scrum/Kanban)

• 5+ years of experience in software development, with expertise in Python or a similar language.

• Strong understanding of distributed systems, back-end development, and data pipelines (ETL).

Nice-to-Have

• Experience in application security (authentication, access control, encryption).

• Exposure to Data Science / Machine Learning challenges.

• Experience in an international and multicultural environment.

• Deep knowledge of software architecture, performance optimization, and scalability.

• Ability to work autonomously on complex topics and collaborate with cross-functional teams.

• Experience in mentoring and guiding developers.

• Strong interest in both technical leadership and team management.

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.