Backend Software Engineer in Data

Bucharest · Hybrid

About this role

What You'll Do:

Partner Data Integration (PDI) is a product and engineering team at Criteo responsible for building the APIs, user interfaces, and data pipelines that power the ingestion, enrichment, and management of product catalog data. The team enables internal and external clients to configure, monitor, and explore catalog data, while developing scalable pipelines to integrate and enhance data quality, ensuring it is accurate, multi-dimensional, and ready for use across Criteo’s Performance and Retail Media platforms

  • Craft high-quality, maintainable code to build business-critical APIs, services and backend components to serve our clients’ creatives ensuring compliance with rigorous SLAs (less than 45ms) and handling up to 40 billion requests per day.

  • Contribute to integrate and test Google's Privacy Sandbox proposals within CRITEO's creative ecosystem, contributing to a fundamental shift in internet advertising practices.

  • In a multi-cultural team of 5-7, you will be collaborating 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 affect millions of users instantly.

  • Work with many other engineering teams to develop long-term roadmaps, ML models, designs and architectures to scale this infrastructure to meet product and business requirements.

Who You Are:

  • You are a passionate software engineer with a keen interest in low-latency/large-scale back-end systems combined with a genuine eagerness to understand and implement product and business requirements.

  • You have at least 5 years of experience with developing and extending large and complex systems.

  • You are strongly committed to quality designs, automated testing and documentation.

  • You're proficient in Java OR Scala

  • You have experience with big data technologies (Hadoop, Spark)

  • (Bonus) Familiarity with Machine Learning theory and models.

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.

Company at a glance

Criteo (NASDAQ: CRTO) is the global commerce intelligence platform that drives performance for brands, agencies, retailers, and publishers. Built on proprietary commerce data from more than $1 trillion in annual sales and two decades of AI innovation, Criteo helps companies across the ecosystem make smarter decisions and achieve better outcomes, while delivering more relevant experiences for shoppers.

With thousands of clients and deep partnerships across global retail and digital commerce, Criteo provides the technology and insights businesses need to compete and grow.

For more information, please visit criteo.com.

Team Size1,001-5,000 employees
WorkspaceHybrid
IndustryAdvertising Services
Location
Bucharest, Romania
LinkedInLinkedIn

Top Benefits

  • Hybrid working model
  • Learning and mentorship programs
  • Career development programs
  • Health benefits
  • Wellness perks
  • Mental health support
  • Performance-based rewards
  • Family-friendly policies
  • Equity potential

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