A candidate for the Azure Cosmos DB Developer Specialty certification should have subject matter expertise designing, implementing, and monitoring cloud-native applications that store and manage data.

Responsibilities for this role include designing and implementing data models and data distribution, loading data into an Azure Cosmos DB database, and optimizing and maintaining the solution. These professionals integrate the solution with other Azure services. They also design, implement, and monitor solutions that consider security, availability, resilience, and performance requirements.

A candidate for this certification must have solid knowledge and experience developing apps for Azure and working with Azure Cosmos DB database technologies. They should be proficient at developing applications that use the Azure Cosmos DB .NET SDK for SQL API. They should be able to write efficient Azure Cosmos DB SQL queries and be able to create appropriate index policies. They should have experience creating server-side objects with JavaScript. Additionally, they should be familiar with provisioning and managing resources in Azure. They should be able to interpret JSON, read C# or Java code, and use PowerShell.