Hiring a CNTK developer can be beneficial due to their expertise in Microsoft's Cognitive Toolkit, one of the most powerful deep-learning libraries. They can help in creating, training, and implementing machine learning models, resulting in improved decision-making and prediction accuracy. Their skills are essential for tasks involving image, speech, and text data, facilitating the development of AI applications. With a CNTK developer, you can leverage the power of deep learning, enhancing your business's efficiency, productivity, and competitive edge.