What You'll Do:CRITEO is looking for a Senior Fullstack Software Engineer to join its Product Engineering team at the heart of Criteo's business!As a Senior Fullstack Software Engineer at CRITEO, you will help provide the platform which enables the delivery of different offsite campaigns, across our client solutions. In this role, you will:Design and build projects in a fast-paced environment,Work closely with the Product and Program Management teams to ensure best architectures and products (50% frontend - 50% backend development),Interact with multiple multi-cultural R&D teams to ensure the right communication between the client-facing applications and the other Criteo systems,Continuously deploy the applications,Contribute to promoting a strong engineering culture, a passion for quality and things well done. By using the information collected through meet-ups and conferences, you will strengthen our systems by building a state-of-the-art application, whether in terms of framework or library, or in terms of best practices (testing, continuous integration/deployment strategies).Who You Are:You have at least 5 years of experience developing and extending large and complex systems.You have a strong knowledge of Angular, React or Vue.You have a solid experience in Object Oriented Programming (C#, Python, C++, Java or Node).You like reusability and making complex things simple.You are curious about innovative technologies, eventually leading personal subjects on the matter.You have a "can do" attitude and the ability to work on problems by thinking positively and in a collaborative manner.You have worked in Agile environments and are passionate about shipping 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, stock options 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.