Senior/Staff Applied Scientist (시니어/스태프 응용 과학자)

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Moloco is hiring a senior data scientist to diagnose and fix complex issues in machine learning models and data pipelines related to AI-powered advertising solutions. The role requires strong applied statistics, causal reasoning, fluency in Python and SQL with large datasets, and experience owning production models. Responsibilities include root cause analysis, shipping fixes, designing robust evaluations, building reusable tooling, and communicating with cross-functional teams. Preferred experience includes real-time auctions, probability calibration, and deep learning frameworks like PyTorch or TensorFlow. The position is full-time based in Seoul, Korea.