There are many reasons to hire an OLAP developer. Some of the most common reasons include: - To help improve query performance – OLAP developers are experts at designing and optimizing cube structures to ensure fast query performance. - To help with data modeling – OLAP developers can design cubes that accurately reflect your organization’s data, making it easier for users to find the information they need. - To help with business intelligence initiatives – OLAP developers can develop custom reports and dashboards that give you visibility into your organization’s data, helping you make better decisions.