Senior Backend Developer

What You'll Do:

What's the Core Product Component group?

The Core Product Component group, composed of seven agile and human-sized teams that deliver reusable business components that power and accelerate Criteo’s product solutions, ensuring consistency, reliability, and speed across the platform.

How You'll Make An Impact

As a Software Engineer in the Commerce Properties team at Criteo, you’ll shape how companies integrate their e‑commerce properties (e.g., tracking events) with Criteo. You’ll evolve our real‑time events ingestion back‑end with a focus on scalability, low latency, and reliability, and you’ll help imagine, design, and implement user flows that reduce client integration time by leveraging AI for guided setup, auto‑validation, and just‑in‑time assistance.

What You’ll Do

• Build new capabilities and maintain our high‑throughput events collection back‑end, one of Criteo’s largest data pipelines by volume.
• Partner with Product and Program to deliver fit‑for‑purpose architecture and reusable components across platforms.
• Design, implement, and ship back‑end features end‑to‑end with strong testing and observability.
• Help build web applications when needed, including AI‑assisted flows for configuration, validation, and troubleshooting.
• Collaborate with multi‑cultural R&D teams and Internal IT to ensure robust integrations between client‑facing apps and Criteo systems.
• Own stability, usability, and continuous delivery, raising the bar on reliability and developer experience.
• Promote a strong engineering culture focused on quality, testing, and modern CI/CD; bring insights from meetups and conferences to keep our stack state‑of‑the‑art.

Technical environment: C#, Java, Scala, Angular, TypeScript

Who You Are:

• You have experience building, maintaining, and evolving large‑scale applications.
• You care deeply about high‑throughput systems and prioritize reliability, performance, and scalability in your work.
• You’re skilled at making complex problems simple and solvable.
• You stay curious about new technologies and adopt proven design and engineering best practices.
• You bring a can‑do, collaborative mindset and approach problems with positivity and ownership.
• You have experience in Agile teams and are passionate about shipping high‑quality, well‑tested code.

Bonus

• You have experience in full‑stack development with modern JavaScript and in building web services in C#, Java, or Python.
• You contribute to Product and UX discussions, turning customer needs into simple, intuitive solutions, and you apply AI where it clearly improves outcomes.

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.