Waqas Ahmad — Software Architect & Technical Consultant

Specializing in

Distributed Systems

.NET ArchitectureCloud-Native ArchitectureAzure Cloud EngineeringAPI ArchitectureMicroservices ArchitectureEvent-Driven ArchitectureDatabase Design & Optimization

👋 Hi, I'm Waqas — a Software Architect and Technical Consultant specializing in .NET, Azure, microservices, and API-first system design..
I help companies build reliable, maintainable, and high-performance backend platforms that scale.

Experienced across engineering ecosystems shaped by Microsoft, the Cloud Native Computing Foundation, and the Apache Software Foundation.

Available for remote consulting (USA, Europe, Global) — flexible across EST, PST, GMT & CET.

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Authorization

Definition

What caller is allowed to do; per resource and per function; essential for API security.

As defined in the knowledge graph

Access control based on roles or scopes. — From: API Gateway vs BFF: When to Use Which
UseAuthorization with policies; check if user is allowed; return 403 before endpoint. — From: .NET Core Middleware and Pipeline: In-Depth with Code Examples
Both support bearer tokens and middleware. — From: gRPC vs REST for .NET APIs: When to Choose Which
Apps accessing resources on behalf of users; OAuth2 handles this. — From: OAuth2 and OpenID Connect in .NET: In-Depth
What caller is allowed to do; policies, roles, scopes. — From: Securing .NET APIs: Auth, Rate Limiting, and Headers

Related concepts

Authentication Backend Endpoint gRPC Middleware OAuth2 REST

Articles mentioning this concept

API Gateway vs BFF: When to Use Which .NET Core Middleware and Pipeline: In-Depth with Code Examples gRPC vs REST for .NET APIs: When to Choose Which OAuth2 and OpenID Connect in .NET: In-Depth OWASP API Security Top 10: What .NET Developers Must Know Securing .NET APIs: Auth, Rate Limiting, and Headers