Senior SDE - Backend
Criteo
Software Engineering
Toronto, ON, Canada · Ann Arbor, MI, USA
Posted on Apr 13, 2025
What if, in your next adventure, you were surrounded by people who, like you, look for an unlimited playground to explore, share, and test, would you care to hear more? You've opened the right door! As an R&D team, making sure your ideas are heard and encouraged is what we strive to do!
What You'll Do:
- As a backend engineer at Criteo you'll build first-in-class business systems to support our Retail Media Platform. Our systems are designed and optimized to handle billions of ad requests daily, ensuring low latency and high reliability.
- You'll tackle complex challenges in data modelling, performance tuning, and modernizing legacy code to meet the demands of a rapidly evolving ad tech ecosystem
- Design, develop, ship, and maintain backend systems to support our advertisers and retailers advertising needs
- Understand product and customer priorities and balance those against operational and technical needs
- Guarantee top quality code; practice code reviews, unit tests, integration tests, end to end tests in a continuous integration environment
- Work with over 400 million SKUs, and decide which products ads to serve in less than 10ms
- Work with Product teams and other cross functional stakeholders to design products that customers love and that support the reliability and quality they need
Who You Are:
- You have a BS in Software Engineering or equivalent experience, with at least 5+ years of programming experience in an Object-Oriented Programming language, preferably C#
- Experience with NoSQL distributed databases such as ScyllaDB or Cassandra is a plus but not required
- You have a strong foundation in Computer Science, with expertise in data structures, algorithms, and optimization techniques
- You are committed to quality-first development, incorporating automated testing, code reviews, and comprehensive documentation into your workflow
- You are passionate about shipping high-performance, reliable, and efficient code in a fast-paced environment
- You take ownership of your work and proactively drive initiatives forward
- You thrive on solving complex problems, fixing issues, and bringing creative technical solutions to life—because coding is your passion, not just a skill
- You are a strong communicator and a collaborative team player, eager to work cross-functionally and efficiently with others
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 the global commerce media company that enables marketers and media owners to deliver richer consumer experiences and drive better commerce outcomes through its industry leading Commerce Media Platform.
At Criteo, our culture is as unique as it is diverse. From our offices around the world or from home, our incredible team of 3,600 Criteos collaborates to develop an open and inclusive environment. We seek to ensure that all of our workers are treated equally, and we do not tolerate discrimination based on race, gender identity, gender, sexual orientation, color, national origin, religion, age, disability, political opinion, pregnancy, migrant status, ethnicity, marital or family status, or other protected characteristics at all stages of the employment lifecycle including how we attract and recruit, through promotions, pay decisions, benefits, career progression and development. We aim to ensure employment decisions and actions are based solely on business-related considerations and not on protected characteristics. As outlined in our Code of Business Conduct and Ethics, we strictly forbid any kind of discrimination, harassment, mistreatment or bullying towards colleagues, clients, suppliers, stakeholders, shareholders, or any visitors of Criteo. All of this supports us in our mission to power the world’s marketers with trusted and impactful advertising encouraging discovery, innovation and choice in an open internet.
Why Join Us:
At Criteo, we take pride in being a caring culture and are committed to providing our employees with valuable benefits that support their physical, emotional and financial wellbeing, their interests and the important life events. We aim to create a place where people can grow and learn from each other while having a meaningful impact. We want to set you up for success in your job, and an important part of that includes comprehensive perks & benefits. Benefits may vary depending on the country where you work and the nature of your employment with Criteo. When determining compensation, we carefully consider a wide range of job-related factors, including experience, knowledge, skills, education, and location. These factors can cause your compensation to vary.