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Software Engineer Backend in Barcelona


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Job Description

What You'll Do:

  • Design and implement low-latency, high-availability, and performant applications.
  • Maintain and support business-critical systems.
  • Work collaboratively with the product and UX team to understand end-user requirements, to provide technical solutions and for the implementation of new software features.
  • Ship code to production every day using CI/CD techniques.
  • Tackle the challenges that come with processing sensitive data.
  • Write reusable, testable, and efficient code.
  • Contribute actively with ideas to complement and enhance the existing solutions and tools

Who You Are:

  • BS/MS in Software Engineering or related field (equivalent experience may be acceptable).
  • Hands-on experience with Django, Flask, or other Python frameworks.
  • Good understanding of GIT, and experience with code review.
  • Knowing how to interact with both technical and non-technical audiences.


  • Previous working experience as a Python Developer.
  • Good understanding of E2E Internet application architecture including browser concepts, HTTP, REST, CDN and Security best practices.
  • Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 and willingness to learn.
  • Knowledge of Alerting stacks such as Prometheus or others.
  • Experience with ETL pipelines.
  • Experience working in an Agile environment.

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.


About Criteo

  • Ad Tech

  • Public, IPO 2013

  •  Paris, France

  • 1000-5000

  • 2005

Criteo is a digital performance marketing company.

Measuring return on post-click sales, Criteo makes ROI transparent and easy to measure. Criteo has 1,700+ employees in 27 offices across the Americas, Europe and Asia-Pacific, serving 9,250+ advertisers worldwide and direct relationships with 11,000+ publishers. 

Unlike the vast majority of the market, Criteo claims it uses a transparent cost-per-click model and measures value purely on post-click sales. This demanding model is supported by sophisticated predictive technology. It processes a vast amount of rich purchase-intent data in real-time to identify buyers and deliver dynamically-created ads which are personalized for each consumer. 

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