Principal Engineer Consultant in Adtech - Data Science & AI Department

🇫🇷 Paris, France
Posted 7 months ago
Expires June 9, 2026

Teads is seeking a Principal Engineer Consultant to join its Data Science & AI department, focusing on developing large-scale advertising solutions. The role involves collaborating with a team of 50 data scientists, machine learning engineers, and backend engineers to build and operate distributed machine learning systems that handle over a billion predictions per second during real-time auctions. As a Principal Engineer, you will work closely with leadership, product, and engineering teams to drive strategic initiatives and foster a culture of excellence.

In this position, you will stay abreast of advancements in large-scale advertising systems, including areas such as click-through rate (CTR) and conversion rate (CVR) models, recommendation systems, online learning, and auction design. You will collaborate with data scientists and machine learning engineers to identify investment opportunities and advise on implementing solutions across the organization. Additionally, you will participate in projects to bring them into production, work with product managers to prioritize data science and AI projects, and engage in independent experimentation and research, occasionally publishing at conferences.

The ideal candidate will have deep experience in applying AI and data science within the ad tech industry. Strong communication skills are essential for effective collaboration and the ability to convey complex topics to expert audiences. The role requires robust problem-solving abilities, a fast-learning and curious mindset, and experience in statistics and artificial intelligence, including data mining and machine learning. The candidate should also be capable of critically analyzing scientific articles and implementing relevant findings, with a keen sense of AI system architecture.

Teads offers a dynamic and diverse company culture that emphasizes creativity, technology, and data to shape the future of media. Employees have opportunities for continuous learning and professional growth, working with a global team of nearly 1,800 people in over 30 countries. The company is committed to fostering a collaborative and forward-thinking environment that supports innovation and excellence.

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