Senior Software Development Engineer at Criteo

What You'll Do:

• As an Engineer at Criteo, you'll design and build web applications for our Retail Media platform, enabling advertisers to set up, launch, and optimize campaigns efficiently.
• Collaborate with Product and cross-functional teams to shape robust, well-architected solutions to business challenges.
• Write, review, and improve code while ensuring reliability, performance, and smooth operation of live applications.
• Participate in code reviews, pair programming, and technical discussions to share knowledge and uphold high engineering standards.
• Influence and mentor engineers at all levels, helping them adopt better practices, think critically about trade-offs, and deliver high-quality outcomes.
• Champion engineering excellence through modular design, best practices, and high-quality, testable code.
• Continuously improve our architecture and development practices by identifying systemic challenges, introducing new tools or patterns, and simplifying complex systems.
  
  
  

Who You Are:

• BS in Computer Science or a related field
• Deep expertise in C#/.NET and API design, microservice architecture (defining clear boundaries, contracts, and integration patterns), designing service templates
• Experience with messaging systems (Kafka, RabbitMQ, or similar), familiar with event-driven design and CQRS patterns
• Knowledgeable around cross-service testing challenges (e.g., contract testing, test doubles, in-memory testing)
• (Nice-to-have) Familiar with CI/CD pipelines, build orchestration, and deployment strategies for microservices
• (Nice-to-have) Experience with SDK or framework development supporting multiple teams
• (Nice-to-have) Some experience or familiarity with TDD and/or BDD.
  
  
  

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 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.

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.