There are many reasons to hire a Cognos developer. Some of the most common reasons include: - To improve business intelligence and decision making - A Cognos developer can help you build better reporting and analysis tools, which can give you a competitive edge by helping you make more informed decisions. - To save time and money - A Cognos developer can automate report generation and data analysis tasks, saving you valuable time and resources. - To improve communication and collaboration - A Cognos developer can help you design reports that are easy to understand and share, making it easier for different departments or teams to work together effectively.