Full-Stack Platform Engineering Lead

• Bucharest, Romania
• Engineering
• Permanent - Full Time

Job ID: r20684

What You'll Do:

The Experience Enablers Group within Platform R&D builds the foundational user platform used across all Criteo products. Our teams design and deliver scalable SaaS building blocks that enable consistent, reusable user-centric capabilities such as accounts, teams, communication, and activity tracking.

We focus on trust and collaboration with our internal clients (R&D). We create robust, scalable, and consistent platform services that power users interact with our ecosystem at scale.

As a Full-Stack Platform Engineering Lead, you will lead a team of 4 engineers responsible for integrating efficiently this platform into the biggest Criteo Product. Making the most out of the core user platform that underpins authentication, collaboration, communication, and user experience on a specific product. You will be the link between those who build the platform and those who use it, contributing to both.

The team works on end-to-end systems spanning backend services and modern web interfaces, ensuring scalability, consistency, and usability across the platform.

What You'll Do:

Technical Leadership

• Define architecture strategy and long-term technical roadmap.
• Collaborate with engineers, understand requirements, and propose solutions.
• Drive adoption of standards and best practices across engineering teams.

Team Leadership

• Manage and grow a team of 4 engineers.
• Support career development, mentoring, and hiring.
• Foster a strong engineering culture focused on trust, quality, and collaboration.

Core User Platform

• Co-design and build systems for user accounts, self-registration, identity, and permissions.
• Develop collaboration and team management capabilities.
• Ensure consistency and reusability of platform services across different teams.

Full-Stack Engineering

• Develop end-to-end features using Angular and C#.
• Design scalable APIs and backend services powering user interactions.
• Ensure high-quality UI/UX aligned with product and design teams.

Platform Quality & Engineering Culture

• Maintain strong architectural consistency across systems.
• Improve performance, scalability, and reliability of core platform components.
• Contribute to CI/CD, testing strategies, and engineering best practices.
• Mentor engineers and contribute to technical excellence across teams.

Tech Environment: .NET, C#, TypeScript, Angular

Who You Are:

• Bachelor's or master's degree in computer science, Engineering, or equivalent practical experience.
• 6+ years of experience building and scaling web applications.
• Solid experience in backend development using C#, Java or Python, ideally complemented by a good command of modern front-end frameworks (Angular or equivalent).
• Strong understanding of scalable system design and API architecture.
• Focus on users, communication, and clean system design.
• Ability to simplify complex problems into elegant, maintainable solutions.
• Collaborative mindset and experience working in cross-functional teams.
• Curiosity and drive to continuously improve engineering practices.

Leadership & Collaboration

• Proven ability to lead and mentor engineers in a full-stack or platform team.
• Experience collaborating closely with other software engineers' teams
• Ability to define technical vision and drive adoption of standards across multiple teams.
• Strong communication skills with the ability to influence technical decisions across an organization.

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:

We’re Criteo, the Commerce Intelligence Platform. Criteo helps businesses turn shopper signals into commerce outcomes while delivering more relevant experiences for shoppers. We use proprietary commerce intelligence and AI decisioning to drive relevance for shoppers and performance for businesses.

At Criteo, our culture is as unique as it is diverse. From our offices across the globe or from the comfort of home, our 3,600 Criteos collaborate together to build an open, impactful, and forward-thinking environment.

We foster a workplace where everyone is valued, and employment decisions are based solely on skills, qualifications, and business needs—never on non-job-related factors or legally protected characteristics.

What We Offer:

🏢 Ways of working – Our hybrid model blends home with in-office experiences, making space for both.

📈 Grow with us – Learning, mentorship & career development programs.

💪 Your wellbeing matters – Health benefits, wellness perks & mental health support.

🤝 A team that cares – Diverse, inclusive, and globally connected.

💸 Fair pay & perks – Attractive salary, with performance-based rewards and family-friendly policies, plus the potential for equity depending on role and level.

Additional benefits may vary depending on the country where you work and the nature of your employment with Criteo.

Perks & Benefits for all Criteos.

Happy people make healthy teams, so we value employee well-being above all else. Discover the perks & benefits we offer all our Criteos!!

Ways of Working

Trust and flexibility are at our core, so is the power of being together. Our hybrid model blends empowerment with shared in-person experiences, making space for both. We believe this is the most valuable way to foster collaboration in a way that helps us grow, together.

Learning & Career Development

As your skills multiply, opportunities do too. So, we care to help you nurture your potential, identify new goals, and define what you want out of your career. Discover how we have diversified our learning resources and training catalog for you to shape greater opportunities. You care for your career growth, and we do too.

Corporate Social Responsibility

We care to build an open future for our community and beyond. Discover how our people fuel our Corporate Social Responsibility from the bottom up, embracing but also embodying and promoting values of diversity, equity, and inclusion through everything they do. Together, we strive to build a future that truly includes everyone.

Great people shape greater opportunities.

At Criteo, we believe great people and reliable products are essential to build an open future for all.

Everything you need to know about our culture, vision, values, and how we live them with people, both in and out of Criteo, is in our Culture Book. Discover who we are, what we do, and how we act as a company and as Criteos!

The Future is Yours.