A data scientist in tech companies plays a critical role in extracting insights from complex data sets. They utilize statistical analysis, machine learning, and data visualization techniques to make informed decisions that drive business strategies. Data scientists collaborate with cross-functional teams to define key metrics and ensure data-driven approaches are adopted throughout the organization. Their work often involves cleaning and preparing data for analysis, building predictive models, and presenting findings to stakeholders for actionable insights. This interdisciplinary role combines programming, statistics, and domain knowledge.