Waqas Ahmad — Software Architect & Technical Consultant - Available USA, Europe, Global

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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Interface

Definition

Abstraction contract in C#; key to DIP, ISP and swapping implementations.

As defined in the knowledge graph

  • Abstraction for interchangeable algorithms or handlers; DI in .NET. — From: Behavioral Design Patterns in .NET: All 11 Patterns with Full Working Code
  • Contract defined in Application and implemented in Infrastructure (e.g. IOrderRepository). — From: Clean Architecture with .NET: Layers, Dependency Rule, and Structure
  • Product or factory interface; client depends on abstraction. — From: Creational Design Patterns in .NET: All 5 Patterns with Full Working Code
  • Contract that a class depends on; implementation registered in container. — From: Dependency Injection in .NET Core: In-Depth with Code Examples
  • Repository and UoW defined as interfaces; implementation swappable. — From: Repository Pattern and Unit of Work in .NET
  • Contract in C#; adapter and bridge rely on interfaces. — From: Structural Design Patterns in .NET: All 7 Patterns with Full Working Code

Related concepts

Concepts linked in the knowledge graph:

AdapterBridgeContextDecouplingDependency InjectionImplementationRepositoryTestabilityUnit Test

Articles mentioning this concept

Deep dives and guides that cover this topic:

Behavioral Design Patterns in .NET: All 11 Patterns with Full Working CodeClean Architecture with .NET: Layers, Dependency Rule, and StructureCreational Design Patterns in .NET: All 5 Patterns with Full Working CodeDependency Injection in .NET Core: In-Depth with Code ExamplesRepository Pattern and Unit of Work in .NETSOLID Principles in Practice: .NET ExamplesStructural Design Patterns in .NET: All 7 Patterns with Full Working Code