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Senior Software Engineer Full Stack

Criteo / Barcelona / Engineering & Modelling
This job post has now expired. Please see the other Criteo jobs available.
Job Overview

Global Automation team develops and runs a wide range of first class solutions that empower Criteo’s commercial and operations teams to maximise their business impact.

You will be working in a multicultural and diverse environment alongside highly motivated colleagues and a talented team of highly skilled engineers on products that make a real business impact.

We build scalable, reliable and interoperable systems, that constantly need to adapt to business priority and evolutions. And we build the applications, APIs and UIs to provide first class service to our users.

The Web team power commercial and operational teams with reliable platform supporting them in their everyday work in a constantly evolving, multi-product eco-system.

What you'll do

  • Plan, design and develop backend architectures built in Laravel.
  • Define the architecture and communicate to stakeholders accordingly.
  • Nurture and support more junior profiles within the team.
  • Write clean, efficient, and secure PHP code.
  • Proactively identify potential pitfalls in proposed software designs.
  • Maintain and support business-critical systems.
  • Ship code to production using CI/CD techniques.
  • Make technical and design decisions for Laravel projects.
  • Develop application code and unit tests.
  • Conduct performance tests.
  • Consult with the design team.
  • Ensure high performance of applications and providing support.
  • Work in an Agile environment and help lead SCRUM initiatives.

Who you are

  • +4 years of working experience as a full-stack PHP Developer preferably in Laravel.
  • BS/MS in Software Engineering or related field (equivalent experience may be acceptable).
  • Superior understanding of core PHP, SQL & JavaScript.
  • Strong expertise with HTML, CSS, and writing cross-browser compatible code.
  • Understand SOLID principles and know how to apply them to deliver clean code.
  • Experience with RESTful services.
  • Expert in GIT, experience with giving constructive code review.
  • Familiar with testing frameworks (Ex. PHPUnit).
  • Critical thinker and problem-solving skills.
  • Know how to interact with both technical and non-technical audiences.
  • Able to mentor and assist peers on technical challenges.


  • Thorough understanding of Chef, Jenkins and shell scripting highly desired.
  • Know your way around Docker and Linux server environments.
  • UX/UI sensitivity.
  • Have worked with Gerrit (GIT code review process).
  • Experience programming in other languages (Python, Ruby or C#).

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Criteo Overview

Criteo is the global technology company powering the world’s marketers with trusted and impactful advertising. 2,800 Criteo team members partner with over 20,000 customers and thousands of publishers around the globe to deliver effective advertising across all channels, by applying advanced machine learning to unparalleled data sets. Criteo empowers companies of all sizes with the technology they need to better know and serve their customers.

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