A Datamining Developer designs, develops, and implements software solutions that extract and analyze complex data from various sources. They utilize data mining techniques to identify patterns, trends, and insights that aid in decision-making. They develop algorithms and statistical models, perform data cleaning and preprocessing, and interpret results to provide actionable insights. They also ensure the integrity, accuracy, and security of data. Additionally, they may work closely with data scientists, business analysts, and other stakeholders to understand their data requirements and develop solutions accordingly. They must have a strong understanding of databases, programming, machine learning, and statistical analysis.