TECHNICAL INTERVIEW GUIDES

Explain how it works.
Then discuss the tradeoffs.

Study focused questions, worked examples, and common mistakes before your next software engineering interview. These guides are free to read without an account.

• C# · Async programming

  C# async and await interview questions

  Understand asynchronous I/O, thread-pool blocking, cancellation, and concurrent requests with focused C# interview answers.

• ASP.NET Core · Service lifetimes

  ASP.NET Core dependency injection interview questions

  Explain transient, scoped, and singleton lifetimes, captive dependencies, and background-service scopes in an ASP.NET Core interview.

• SQL · Transactions

  SQL transaction isolation interview questions

  Prepare to explain read committed, repeatable read, serializable transactions, and concurrency tradeoffs in PostgreSQL and SQL Server.