Hiring an IBM Datastage developer is beneficial for managing, integrating, and transforming large data sets in your business. They possess in-depth knowledge of ETL processes, ensuring efficient data extraction, transformation, and loading. They can handle complex data challenges, improve data quality, and ensure data consistency across multiple systems. Their skills in designing and running datastage jobs can boost decision-making processes by providing accurate, timely data. Overall, they can enhance your business's strategic data handling capabilities, leading to better insights and improved performance.