Senior AI Engineer

We are looking for a Senior AI Engineer to join our European client developing software for the digital advertising market. As a Senior AI Engineer, you will develop a programmatic trading platform that optimizes advertising experience for advertisers, publishers, and mobile users.

This is you

• 6+ years of experience in AI/ML engineering;
• Strong knowledge of OpenRTB and bidding flows;
• Deep understanding of CPV, CPE, and CPC campaign types;
• Proficiency in PySpark and pandas for data processing;
• Experience with FastAPI for API development;
• Hands-on with Docker for containerization;
• Expertise in LightGBM and ONNX for model training and deployment;

• English – Upper-intermediate level or higher.

   

Nice-to-have skills:

• Familiarity with Metaflow for ML workflows.

   

This is your role

• Develop specialized models for CPV, CPE, and CPC campaign types;
• Integrate AI solutions with an existing Demand-Side Platform (DSP);
• Optimize bidding flows using OpenRTB protocols;
• Lead the AI/ML team in model development and deployment;
• Design and implement scalable AI architectures for real-time bidding systems;
• Collaborate with cross-functional teams to align ML strategies with business goals in programmatic advertising.