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Principal Engineer Consultant in Adtech - Data Science & AI Department

Paris, Ile-de-France💼 Full-time🗓 2025-10-17 → 2026-08-10

Core

Designing and advising on large-scale distributed machine learning systems for real-time advertising auctions, handling 1B predictions per second.

Role type

Principal Engineer Consultant (Data Science & AI)

Builds

Large-scale prediction and control systems for ad delivery, recommendation systems, and auction design.

Domain

AdTech / Online Advertising / Machine Learning

Deliverable

production ML models

Required skills

Deep ad tech industry experience, Statistics, Artificial Intelligence, Model design (CTR/CVR, embeddings, ranking), Architecture design, Scientific research analysis

Preferred skills

Publishing at conferences, Teaching concepts, Aligning teams on solutions

Technologies

Distributed machine learning systems, Real-time auction systems, Foundation models

Responsibilities

Identify investment opportunities for data science projects, Advise teams on implementing solutions, Participate in implementation for chosen projects, Experiment with new approaches, Follow and analyze industrial/academic research

Seniority

Principal, highest level IC with strategic and cross-functional impact

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