.NET Backend Senior DeveloperCovers C# fundamentals, ASP.NET Core API design, EF Core and SQL query patterns, and the systems-design tradeoffs senior backend interviews focus on.Price: US$ 24.89. 100 published questions in this package.Objectives

C# Language

ASP.NET Core

Entity Framework Core

Architecture

Performance

Security

Testing

Azure

Databases

Messaging

Design Patterns

Logging & Observability

API Design

Concurrency

Dependency Injection

.NET Runtime

Cloud Native

Soft Skills & Process

SyllabusC# LanguageASP.NET CoreEntity Framework CoreArchitecturePerformanceSecurityTestingAzureDatabasesMessagingDesign PatternsLogging & ObservabilityAPI DesignConcurrencyDependency Injection.NET RuntimeCloud NativeSoft Skills & ProcessSample questions

What is the difference between `ValueTask<T>` and `Task<T>`, and when should you prefer one over the other?

Explain how `IAsyncEnumerable<T>` works and describe a real use case where it is preferable to returning a `List<T>` or `IEnumerable<T>`.

What are primary constructors in C# 12, and what are the tradeoffs of using them in classes vs. records?

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