Senior Software Engineer - ACR/ Budget

What You\'ll Do:

At Criteo, our Budget team builds and scales the critical backend systems that manage advertiser budgets across the globe. If you enjoy solving complex, large-scale data challenges and working with modern technologies such as Apache Flink, Kafka, Spark, Python, and .NET, we\'d love to hear from you. As part of a collaborative and multicultural team, you\'ll contribute to initiatives that directly impact Criteo\'s core business and help deliver a seamless campaign experience for thousands of customers worldwide. Your main missions : Collaborate closely with Product Managers, Program Managers, and fellow R&D teams to deliver high-impact solutions in an Agile environment.

Design, develop, and maintain robust and scalable data pipelines capable of handling large volumes of data.

Partner with Product teams and our API Guild to create impactful, user-centric APIs.

Build reliable applications through comprehensive unit, integration, and end-to-end testing.

Work alongside UI/UX specialists when needed to help create accessible and intuitive user experiences.

Participate in code reviews and knowledge sharing to continuously improve code quality and engineering practices.

Collaborate with diverse teams across Criteo to connect client-facing products with the broader platform ecosystem.

Contribute to a culture of continuous delivery, helping us deploy improvements quickly and safely.

Bring new ideas and perspectives from conferences, meetups, and the wider tech community to enhance our architecture, frameworks, testing practices, and CI/CD tooling.

Who You Are:

You care deeply about Developer Experience and want your work to empower other developers.

You have at least 5+ years of experience building and evolving large-scale, complex systems.

You\’re proficient in Object-Oriented Programming (C#, Python) and big data technologies (Hadoop, Flink, Spark)

Your exposure to front-end technologies (JavaScript, Angular, or React) is a strong plus

You love reusability and enjoy making complex things simple.

You\’re curious about new technologies and may even explore them through personal projects.

You bring a positive, collaborative mindset and a “can-do” attitude to challenges.

You thrive in Agile environments and are passionate about delivering high-quality code.

What do we offer? You will part of a recognized engineering R&D team of 800 engineers in our industry with an active presence to international conferences, meetups and demos all around the globe.

Our culture keeps evolving, and you will be expected to contribute actively with new ideas to complement and enhance the existing programs that include frictionless internal mobility, 10% time, mentoring, technical talks, hackathons, etc.

At Criteo, we value your work-life balance with a hybrid policy where everyone can follow his own rhythm between time to the office and work from home.

We offer a competitive package and many perks according the location.

Are you curious about our company culture? Don\'t hesitate to take a tour in our career website : https://careers.criteo.com/en/teams/engineering/

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.

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