A Pfizer Data Scientist analyzes large datasets to extract insights that drive pharmaceutical research, drug development, and business strategies. They work with machine learning, statistical modeling, and data visualization to support decision-making in areas like clinical trials, drug safety, and patient outcomes. Collaboration with cross-functional teams, including researchers, engineers, and healthcare professionals, is a key part of the role. Strong skills in programming, data wrangling, and domain knowledge in life sciences or healthcare analytics are often required.