Engineer

About the Platform App Foundations group

The Platform App Foundations group, composed of three agile and human‑sized teams, provides basic web‑app solutions for other R&D teams.

You’ll join the Agentic Engineering team, providing the generic building blocks and expertise to build agents and LLM‑based products and tools, including:

• LLM as a service (AI gateway)
• AI tracing and evaluation
• Agentic SDKs and frameworks

Responsibilities

• Enrich our Agentic offering (SDKs and services) with new features to support technical and business needs.
• Collaborate across teams to define the Agentic technical roadmap and deliver solutions that make agent creation simple and powerful.
• Design and maintain backend services (C# API) that handle LLM querying at scale.
• Develop modern front‑end architectures using Angular and TypeScript, ensuring responsive, accessible, and high‑performing interfaces.
• Champion best practices in clean code, testing, and CI/CD, while contributing to a culture of continuous improvement.
• Stay curious and explore new technologies to keep our platform ahead of the curve.

Technical environment: C#, TypeScript, Angular, a bit of Python, Clouds (GCP/Gemini, Azure/OpenAI)

Requirements

• Experienced Engineer: 5+ years in software development, with strong backend expertise and optionally good frontend skills.
• Backend Advocate: Proficient in object‑oriented programming, with expertise in C#.
• Quality‑Focused: Commitment to clean, maintainable code and building reliable systems.
• Collaborative & Curious: Strong communicator, team player, and eager to learn.
• Bonus: Experience with cloud providers (GCP/Azure).

About Criteo

Criteo is the Commerce Intelligence Platform. We help businesses turn shopper signals into commerce outcomes while delivering more relevant experiences for shoppers. Using proprietary commerce intelligence and AI decisioning, we drive relevance for shoppers and performance for businesses.

Our culture is unique and diverse. Across global offices and remote locations, 3,600 Criteos collaborate 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.

Benefits

• Ways of working: Hybrid model blending home and in‑office experiences.
• Growth: Learning, mentorship, and career development programs.
• Wellbeing: Health benefits, wellness perks, and mental‑health support.
• Team culture: Diverse, inclusive, and globally connected.
• Compensation: Attractive salary with performance‑based rewards, family‑friendly policies, and potential equity (depending on role and level).

Additional benefits may vary by country and employment type.