A Business Intelligence Developer or BI Developer is a professional developer, who develops and maintains Business Intelligence tools and interfaces for the organization that hired them. These developers come up with intelligent solutions at the organizational level to help them make informed business decisions. If you wish to master various BI tools, I would suggest you take up a course on Business Intelligence training and ace your career in BI.
Enroll in this Cognos Analytics certification training in Toronto to enhance your knowledge.
Also, watching our video on Business Intelligence Tutorial for Beginners would help you to start from scratch.