Senior Data Scientist (Demand Side Platform, Adtech)

We’re looking for a self-directed, analytical, and curious Senior Data Scientist with 5+ years of hands-on experience to join our team working on the core optimization and bidding logic of the Nexxen Demand-Side Platform (DSP). You will work on problems at the intersection of machine learning, large-scale data processing, and ad delivery performance. Your work will directly impact how we bid, win, and optimize impressions across real-time programmatic advertising exchanges. Each day can be different here at Nexxen, but some of the things you can expect to be doing daily are: Design, implement, evaluate and help deploy machine learning models for bidding, pacing and KPI prediction (Click, Action, Viewability etc.), Analyze large-scale behavioral and performance data using Spark (Scala/PySpark), SQL, and Python, Deep dive into complex, legacy codebases; you should be comfortable navigating and improving existing systems, Collaborate with product managers, engineers, and other data scientists to define problems and deliver end-to-end solutions, Write clear, concise technical documentation and communicate insights effectively across both technical and non-technical stakeholders.