Explain the equality and hashing rules for C# classes and records, and how mistakes affect dictionaries and sets.
BrowserStack · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
C# interview questions
Explore c# interview questions shared by candidates. Read available community answers and practise for your next interview.
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Questions
How would you investigate a production-only race condition in an asynchronous C# order workflow?
Paytm · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
Explain how cancellation tokens should flow from an ASP.NET Core request into database and HTTP calls.
Swiggy · 3-4-years · 1 answers
Year not specified · .NET, C#, ASP.NET Core
Explain C# delegates, events, and Func or Action with an example from a real application.
CRED · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
Explain record types, init-only properties, and immutability in C#, including where they improve API design.
PhonePe · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
How would you find and reduce excessive memory allocation and garbage collection in a .NET service?
PhonePe · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
Explain async and await in C#, including thread-pool starvation, cancellation, and common deadlock causes.
Freshworks · 3-4-years · 1 answers
Year not specified · .NET, C#, Software Engineering
Compare scoped, transient, and singleton dependency injection lifetimes in .NET with practical failure examples.
Freshworks · 3-4-years · 1 answers
Year not specified · .NET, C#, ASP.NET Core
Explain the difference between IEnumerable and IQueryable in C#, and show where each belongs in a production API.
Zoho · 3-4-years · 1 answers
Year not specified · .NET, C#, Entity Framework Core
API Route Constraints and Overload Resolution
EPAM · not-specified · 1 answers
Year not specified · C#
LINQ and Lambda Expressions – Divisible-by-N examples
EPAM · not-specified · 1 answers
Year not specified · C#
SOLID Principles, especially Liskov Substitution Principle with examples
EPAM · not-specified · 1 answers
Year not specified · C#
Dependency Injection Service Lifetimes – Singleton, Scoped, and Transient
EPAM · not-specified · 1 answers
Year not specified · .NET, C#
Default Interface Methods vs Abstract Classes
EPAM · not-specified · 1 answers
Year not specified · C#
Singleton, Scoped, Transient Lifetimes: Can you walk me through the differences between Singleton, Scoped, and Transient service lifetimes?
Dodge Construction Network · not-specified · 0 answers
Asked in 2026 · C#
Benefit of async/await in an API Context: What's the main benefit of using async/await in a typical backend API use case? ↳ Follow-up applying the concept to a concrete scenario.
Dodge Construction Network · not-specified · 1 answers
Asked in 2026 · C#
async/await Explanation: Can you explain what async/await is in .NET?
Dodge Construction Network · not-specified · 1 answers
Asked in 2026 · .NET, C#
Multithreading vs async/await: How is multithreading different from async/await?
Dodge Construction Network · not-specified · 1 answers
Asked in 2026 · C#
Semaphore — Concurrency Use Case: I saw you listed that you were managing concurrency using Semaphore — what’s the use case for that? Multithreading?
Dodge Construction Network · not-specified · 1 answers
Asked in 2026 · C#, System Design
Explain reflection
HCA Healthcare · not-specified · 1 answers
Year not specified · C#