Principal Engineer Consultant in Adtech - Data Science & AI Department

About the Position

We are seeking a Principal Engineer Consultant for our Data Science & AI department, with deep experience in the advertising industry, to join a team of passionate engineers who build advertising solutions at world scale. We build and operate large-scale distributed machine learning systems that make 1B predictions per second during real-time auctions.

Responsibilities

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

Requirements

• 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

The Team

• The AI department currently consists of 50 people who are a mix of data scientists, machine learning and backend engineers
• Your peers will all have deep experience from on-line ad systems from Teads and previous companies. We are staying at the bleeding edge of research and technology
• The department provides technologies that power outcomes of campaigns with a total yearly turn over of $1.7B
• Runs large scale prediction and control systems for ad delivery, dealing with millions of live ads, doing more than a billion predictions per second based on large on-line trained models being updated every 5 minutes

Life at Teads

At Teads, we don’t just offer jobs. We blend creativity, technology, and cutting-edge data to shape the future of media.

As a Teadster, you’ll work alongside smart humans, collaborate with meaningful brands, and leverage advanced AI and automation to redefine how advertising works in a transparent, privacy-first world.

We are builders, innovators, and future-thinkers. If you are excited by the evolution of technology and ready to embrace the future of AI-driven media, you belong here.

Why Join Us?

• A New Era of Media: We’ve merged two open internet category leaders, Outbrain and Teads to create a unified omnichannel platform. Together, we drive results from branding to performance across CTV, mobile, and web.
• AI-Powered Innovation: We actively embrace AI and next-gen technology to solve complex industry challenges. We look for curious minds who aren't afraid to experiment, adapt, and lead the charge into the future of digital advertising.
• Growth & High Performance: Our culture is dynamic, global, and built on excellence. We are committed to your success, offering the modern tools, mentorship, and development opportunities you need to thrive.
• Belonging & Impact: We foster a welcoming, diverse environment where approachable, resourceful, and passionate people excel. Through our employee-led Employee Resource Groups (ERGs), you can actively drive change in areas like sustainability, women’s empowerment, charitable initiatives, and DE&I.

Equal Opportunity Employer

Teads is committed to diversity, equity, and inclusion at all stages of recruitment and employment. We celebrate unique perspectives and are dedicated to building a team that reflects the global communities we serve.