FullStack Software Engineer, Criteo
The commerce media platform for the open internet
Open for applications
The commerce media platform for the open internet
1001+ employees
Open for applications
1001+ employees
Company mission
To help marketers and media owners reach their goals through the world's leading Commerce Media Platform.
Role
Who you are
- You’re a passionate fullstack engineer who enjoys working across the stack and understanding the why behind what you build 💡
- You have 4+ years of experience developing complex systems and user-facing applications in production 🏗️
- You have solid experience with backend development (e.g. Java, C#, Python, Scala, Node.js) and modern frontend frameworks (e.g. React, Angular, Vue) 🧠💻
- You care about clean architecture, reusable code, and simple solutions that scale well ✨
- You’re curious and proactive, always interested in learning new tools, technologies, and patterns
- You have a collaborative, “can-do” mindset and enjoy working in cross-functional teams 🤝
- You’re comfortable in Agile environments and take pride in shipping high-quality, well-tested features ✅
- 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!
What the job involves
- Join our R&D organization of 1,000+ engineers and work within a Product Engineering team of 5–7 people, where you’ll own and develop one key component of our solution
- You’ll collaborate across disciplines to build end-to-end features, from intuitive user experiences to scalable backend services, used at global scale
- Design, build, and maintain fullstack features, from responsive, user-friendly frontends to robust backend services 🧩
- Own a product component end to end, from architecture and implementation to production and continuous improvement 🔁
- Collaborate closely with Product, Design, and Program teams to turn user and business needs into impactful solutions 🤝
- Build scalable, high-performance backend services and APIs, with strong attention to reliability and quality ⚙️
- Develop modern, maintainable frontends, focusing on usability, accessibility, and performance 🎨✨
- Continuously deploy using modern CI/CD practices to ship features safely and frequently
- Contribute to a strong engineering culture, sharing best practices, mentoring others, and bringing ideas from the tech community 📚
Application process
- HR Interview (30-45 min) – Get to know each other, align on expectations, and answer your questions 🤝
- Technical Screen (30 min) – A short live coding exercise on CoderPad, focused on problem-solving 🧠💻
- In-depth Coding Interview (2 hours) – A hands-on technical session on CoderPad, you’ll be asked to develop simple features on a small web application.🔍
- System Design Interview (1 hour) – A collaborative discussion on designing scalable fullstack and backend systems, held on Zoom 🏗️🌐
- Final Interview – A behavioral, culture-focused conversation with senior team members (Zoom or onsite) 💬✨
Our take
Commerce marketing is a huge business with billions spent every year on adverts. And companies that help businesses create and deliver more targeted adverts can command a lot of value. Criteo is one such company operating in this space.
Criteo is a personalised retargeting company connecting marketers and media owners through its Commerce Media Platform, delivering richer consumer experiences. Criteo uses machine-learning technology and data to drive performance, helping marketers and media owners reach their goals.
As marketers are increasingly looking for commerce media solutions, Criteo is operating in a sought-after space. Further, around 73% of media owners seek to optimise media performance as a way to both generate awareness and drive revenue, meaning the company has a significant potential client base. Criteo has continued to make headway here, driving 5 billion ads per day, and is well set to see further adoption of its platform.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
6% employee growth in 12 months
Company
Funding (last 2 of 4 rounds)
Sep 2012
$38.6m
SERIES D
May 2010
$7m
SERIES C
Total funding: $59.5m
Company HQ
New Athens, Paris, France
Leadership
Michael Komasinski
(CEO)Prior to joining Criteo in 2025, Michale was the CEO of the America and Group President of Data and Technology at dentsu. He also spent nearly 9 years at Merkle, in various roles, including President of the Americas and Global CEO.
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