Interview Prep

Senior

• Explain the .NET Garbage Collector — what are the generations and what triggers a Gen 2 collection?
  Concepts Frequent C# .NET GC
• Implement a bounded producer-consumer queue using System.Threading.Channels
  Coding Frequent C# concurrency Channels
• Describe a significant architectural decision you made under uncertainty
  Behavioural Occasional architecture microservices tech debt
• What are Span<T> and Memory<T> in C#, and when should you use them?
  Concepts Frequent C# Span Memory
• Implement a thread-safe lazy singleton and explain Lazy<T>
  Coding Frequent C# singleton Lazy<T>