Hiring an Apache Flink developer can significantly enhance your data processing capabilities. Flink is renowned for its speed, flexibility, and fault-tolerance in handling big data, providing real-time stream processing and batch processing capabilities. A Flink developer can help you manage complex data streams, design efficient data pipelines, and extract valuable insights from your data. They can also help in building scalable, reliable, and efficient data-driven applications. This could lead to improved decision-making, better customer understanding, and significant operational efficiencies for your business.