Team Leader / Tech Leader

What You'll Do:

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.
Development and Architecture

• 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.
  

Tech Stack & Environment
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)
  

Who You Are:

• 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!
Who We Are:
Criteo is the global commerce media company that enables marketers and media owners to deliver richer consumer experiences and drive better commerce outcomes through its industry leading Commerce Media Platform.

At Criteo, our culture is as unique as it is diverse. From our offices around the world or from home, our incredible team of 3,600 Criteos collaborates to develop an open and inclusive environment. We seek to ensure that all of our workers are treated equally, and we do not tolerate discrimination based on race, gender identity, gender, sexual orientation, color, national origin, religion, age, disability, political opinion, pregnancy, migrant status, ethnicity, marital or family status, or other protected characteristics at all stages of the employment lifecycle including how we attract and recruit, through promotions, pay decisions, benefits, career progression and development. We aim to ensure employment decisions and actions are based solely on business-related considerations and not on protected characteristics. As outlined in our Code of Business Conduct and Ethics, we strictly forbid any kind of discrimination, harassment, mistreatment or bullying towards colleagues, clients, suppliers, stakeholders, shareholders, or any visitors of Criteo. All of this supports us in our mission to power the world's marketers with trusted and impactful advertising encouraging discovery, innovation and choice in an open internet.
Why Join Us:
At Criteo, we take pride in being a caring culture and are committed to providing our employees with valuable benefits that support their physical, emotional and financial wellbeing, their interests and the important life events. We aim to create a place where people can grow and learn from each other while having a meaningful impact. We want to set you up for success in your job, and an important part of that includes comprehensive perks & benefits. Benefits may vary depending on the country where you work and the nature of your employment with Criteo. When determining compensation, we carefully consider a wide range of job-related factors, including experience, knowledge, skills, education, and location. These factors can cause your compensation to vary.