.Net with Azure (4 Months Project

5+ years professional experience building APIs with C# / ASP.NET Core Web API.
Hands-on experience with Microsoft Graph API and Azure Active Directory (Entra ID) concepts — App Registrations, OAuth2/OIDC, token claims.
Experience with Azure Key Vault or equivalent secrets management for storing and retrieving credentials securely.
Experience with Azure Service Bus (topics, subscriptions) or equivalent message-broker technology for asynchronous, multi-tenant messaging.
Solid grasp of object-oriented design patterns, particularly Factory Method / Strategy, and experience refactoring monolithic or tightly-coupled integration code into pluggable abstractions.
Experience with Azure Blob Storage, chunked/resumable file uploads, and asynchronous status tracking.
Familiarity with malware/antivirus scanning integrations (cloud-native scanning services and/or on-premises AV engines) is a strong plus.
Working knowledge of relational databases (SQL Server or similar) and Entity Framework Core.
Experience writing unit/integration tests (xUnit/NUnit, Moq) and working in a CI/CD pipeline (Azure DevOps or similar).
Strong understanding of multi-tenant SaaS architecture and data/messaging isolation concerns.
Good communication skills; comfortable collaborating with front-end, QA, and DevOps stakeholders.
Nice to Have
Prior experience migrating an application from one identity provider to another, or supporting multiple IdPs simultaneously.
Experience with on-premises deployment models alongside cloud (hybrid SaaS).
Familiarity with React front-end so as to coordinate contract changes with the UI team.