Hiring an Azure Blob developer allows you to optimize storage of large amounts of unstructured data on Microsoft's reliable cloud platform, Azure. They help in managing data effectively, ensuring its availability, protection, and security. Such developers can also integrate this service with other Azure products or third-party applications, enhancing functionality. Their expertise can lead to cost-effective solutions, as they can select suitable Blob storage tiers based on your data usage patterns. They can also implement advanced features like data replication and automated data lifecycle management, improving overall efficiency.