An Azure Developer is responsible for designing, building, deploying, and maintaining cloud-based applications using Microsoft Azure. They develop scalable and secure solutions by leveraging Azure services such as Azure App Service, Azure Functions, Azure Storage, Azure SQL Database, and Azure Kubernetes Service (AKS). Azure Developers also integrate applications with APIs, implement authentication using Microsoft Entra ID (formerly Azure Active Directory), automate deployments using Azure DevOps or GitHub Actions, and optimize application performance. Their primary goal is to create reliable cloud applications that meet business requirements while following best practices for security and scalability.