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Data Scientist - IA & Data Science Team

Paris💼 Full-time🗓 2026-07-22 → 2026-09-26

Core

Build and deploy high-throughput ML models for ad delivery, CTR prediction, and online learning regimes in a real-time auction environment.

Role type

Senior applied data scientist (AdTech/ML)

Builds

Large-scale prediction and control systems for ad delivery, online learning regimes, and high-dimensional embeddings.

Domain

AdTech, real-time bidding, machine learning

Deliverable

production ML models

Required skills

CTR prediction, online learning, high-dimensional embeddings, A/B testing, model monitoring, software engineering fundamentals, scientific paper critique

Preferred skills

Transformer-based ranking systems, deep-work experimentation

Technologies

Scala, TypeScript, Cloud infrastructure

Responsibilities

Innovate at scale in AdTech research, bridge research and engineering, own the model lifecycle from paper to production, experiment with unconventional hypotheses

Seniority

Senior, hands-on IC

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