Hiring an Informix SQL developer is crucial to efficiently manage your IBM Informix database. They have expertise in designing, implementing, and maintaining complex databases, ensuring optimal performance, security, and data integrity. They can create efficient data structures, write optimized SQL queries, and troubleshoot any issues that arise. Their knowledge of Informix SQL allows them to extract valuable insights from your data, aiding in informed business decision-making. They also help in data migration and integration tasks, providing seamless data flow. Thus, their skills contribute significantly to managing and leveraging your data assets effectively.