Senior FullStack Software Engineer, Criteo
Global commerce media platform
Open for applications
Global commerce media platform
1001+ employees
Open for applications
1001+ employees
Company mission
To bring richer experiences to every consumer by powering the world’s marketers and media owners with trusted and impactful advertising.
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 7+ 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 of pounds spent every year on adverts. Companies that help businesses create and deliver more targeted adverts can command a lot of value. Criteo is one company operating in this space.
Criteo is a personalized retargeting company connects 22,000+ 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: $59.6m
Company benefits
- Flexible Work and WFH Opportunities
- Learning & Development
- Best-in-Class Health and Wellbeing Benefits & Perks Across Regions
Company HQ
New Athens, Paris, France
Leadership
Megan Clarken
(CEO, not founder)Held multiple senior-level roles at Nielson, having joined as a Product Specialist and being promoted to Chief Commercial Officer.
Salary benchmarks
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