.net Interview Questions And Answers For 5 Years Experience Site

Be able to discuss Design Patterns (Factory, Singleton), Microservices , and Database Optimization . Want to dive deeper? I can help you: Practice a mock technical screen for a specific .NET role.

"We have a high-traffic microservice. How would you handle memory management and prevent performance bottlenecks?" The Answer: Alex didn't just mention Garbage Collection (GC) . He explained the three generations of GC (0, 1, and 2) and how frequent "Generation 2" collections can cause "stop-the-world" pauses. He suggested using Span and Memory to reduce heap allocations and talked about the benefits of IHttpClientFactory over manually creating HttpClient to prevent socket exhaustion. The Design Challenge: Architecture & Patterns .net Interview Questions And Answers For 5 Years Experience

"How do you ensure your code is maintainable as the team grows?" The Answer: Alex pointed to SOLID principles , specifically focusing on the Dependency Inversion Principle . He explained how Dependency Injection (DI) in ASP.NET Core allows for better unit testing by swapping real services with mocks. He also discussed Middleware in the request pipeline for cross-cutting concerns like global exception handling and authentication. The Scenario Challenge: Real-World Troubleshooting Be able to discuss Design Patterns (Factory, Singleton),