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Senior Data Scientist

Paris, Ile-de-France💼 Full-time🗓 2026-05-13 → 2026-08-09

Core

Develop and deploy high-throughput machine learning models for real-time ad delivery, focusing on CTR prediction, online learning, and high-dimensional embeddings to drive campaign outcomes.

Role type

Senior Applied Data Scientist (AdTech)

Builds

Production ML models for ad delivery, prediction, and control systems

Domain

AdTech / Online Advertising

Deliverable

production ML models

Required skills

CTR prediction, online learning regimes, high-dimensional embeddings, A/B testing, model monitoring, software engineering fundamentals, critical thinking

Preferred skills

ArXiv paper analysis, 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 end-to-end model lifecycle, experiment with unconventional hypotheses

Seniority

Senior, hands-on IC

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