A Microsoft Excel Developer designs, creates, and maintains Excel-based data tools. They leverage Excel's advanced features and functions to develop custom spreadsheets, automate data entry processes, generate reports, and integrate Excel with other software. Their tasks include creating macros, formulas, pivot tables, and visualizations. They also troubleshoot and optimize Excel systems for efficiency, accuracy, and performance. Moreover, they may be involved in data analysis, interpreting complex data sets, and presenting insights in a comprehensible way. They work closely with stakeholders to understand their needs and translate these into practical Excel solutions. They also provide training to users on how to use these tools effectively.