Business intelligence developers are data experts, as they work primarily with databases and different types of software. Often abbreviated as BI developer, this job involves developing and fine tuning IT solutions. That can include anything from coding to testing to debugging to designing to implementing newly developed tools. A BI developer spends a lot of time researching and planning solutions for existing problems within the company. BI developers also are responsible for building online analytical processing. They also work with databases, both relational and multidimensional. BI developers are often responsible for managing others in the IT department or in the company.