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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer Consultant in Adtech - Data Science & AI Department - **Company:** Teads - **Location:** Inconnu, France - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Mining, Machine Learning, Regression Analysis, Recommender Systems, Elearning - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/principal-engineer-consultant-in-adtech-data-science-ai-department-teads-company-8124956 ## About the Role * Deep experience of the ad tech industry use of AI and data science * Strong communication skills, working collaboratively with the team, able to teach concepts, and communicate complicated topics to expert audiences * Strong problem solving skills, and ability to align teams on solutions * True scientist skills: fast learner, curious, sense of details, rigorous * Experience in Statistics (i.e. statistical analysis, regression analysis, …) and/or Artificial Intelligence (i.e. Data Mining, Machine Learning, …) * Ability to read scientific articles, to analyze critically, and to implement as appropriate * Good taste in architecture of AI systems, Our team is made up of individuals who are approachable, resourceful, passionate, and proactive. We foster a sense of belonging through our Employee Resource Groups - employee-led groups in which we debate topics and drive change: environmental, women empowerment, charitable initiatives to diversity, equity, and inclusion, you'll be able to share your passions with likeminded people. ## Description The Principal position at Teads represents the highest level of seniority on the IC ladder. They are tackling cross-functional, strategical, and pivotal initiatives, prioritizing robust engineering choices. Principals are working closely with the Leadership, Product and Engineering teams, all while fostering a culture of excellence. What will you do? As a Principal Engineer in our Data Science & AI Department your mission will be to: * Stay on top of the state-of-the-art science and technology of large scale advertising systems * Areas of interest are models for CTR and CVR, foundation models for recommendation systems, on-line learning, cold start, embeddings for users, ads and similar,ad matching and ranking, pacing and optimal bidding, auction design, etc. * Work with teams of data scientists and machine learning engineers to identify investment opportunities * Help the teams across the organization in implementing the solutions as an advisor * On projects you choose you will be a part of the implementation team where you will be expected to participate in bringing them projects to the production environment * Work with product managers to find data science and AI projects with best cost/benefit risk/reward ratios * Spend time experimenting with new approaches by yourself * Follow industrial and academic research, occasionally publish at conferences ## Related Videos - [AI for decision-making in Tech Recruiting](https://www.wearedevelopers.com/videos/1074-ai-for-decision-making-in-tech-recruiting) - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [Recruiting in 2025: Will AI Help or Take Over?](https://www.wearedevelopers.com/videos/1301-recruiting-in-2025-will-ai-help-or-take-over) - [What non-automotive Machine Learning projects can learn from automotive Machine Learning projects](https://www.wearedevelopers.com/videos/397-what-non-automotive-machine-learning-projects-can-learn-from-automotive-machine-learning-projects) - [Data Mining Accessibility](https://www.wearedevelopers.com/videos/802-data-mining-accessibility) ## Related Articles - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)