Ads Modeling Lead — Principal ML Engineer

Unity seeks a Principal Machine Learning Engineer for the Vector Ads Modeling team in Mountain View, NY, or Bellevue. You will shape modeling roadmaps, drive foundational research, and validate models on large-scale data to improve personalized ads experiences. Lead cross-functional collaboration to productionalize research, applying state-of-the-art ML/DL techniques with Python and PyTorch on user-behavior data, delivering measurable business impact.