The Data Mining role at Cygames involves utilizing the vast amounts of data accumulated from the company's games and services to improve them. The role entails acting as an advisor to producers and directors, proposing measures based on established hypotheses, and performing effect measurements, including aggregation and report creation. This role will also involve communicating the importance of data to project members, establishing data access environments, using SQL for data aggregation and report creation, identifying issues and validating measures, advising and proposing solutions to various internal staff, visualizing and operating data using analysis tools, discovering and proposing new numerical indicators, and modeling using specialized knowledge of statistical analysis and machine learning.