.NET Interview Questions

Check out 30 of the most common .NET interview questions and take an AI-powered practice interview

C#ASP.NETEntity FrameworkAzureMicroservices
30+
Questions
12
Basic
13
Intermediate
5
Advanced
Q1

What is .NET and its architecture?

BasicFundamentals
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Q2

How do you create a basic server in .NET?

BasicServer Setup
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Q3

What is middleware in .NET?

BasicMiddleware
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Q4

How do you handle HTTP requests in .NET?

BasicHTTP
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Q5

What is routing in .NET?

BasicRouting
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Q6

How do you handle request/response in .NET?

BasicRequest/Response
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Q7

What are controllers in .NET?

BasicControllers
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Q8

How do you work with templates/views in .NET?

BasicViews & Templates
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Q9

What is RESTful API design in .NET?

BasicREST API
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Q10

How do you handle static files in .NET?

BasicStatic Files
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Q11

What are environment variables in .NET?

BasicConfiguration
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Q12

How do you structure a .NET application?

BasicArchitecture
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Q13

How do you implement authentication in .NET?

IntermediateAuthentication
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Q14

What is database integration in .NET?

IntermediateDatabase Integration
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Q15

How do you handle file uploads in .NET?

IntermediateFile Uploads
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Q16

What is caching strategy in .NET?

IntermediateCaching
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Q17

How do you implement websockets in .NET?

IntermediateWebSockets
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Q18

What is error handling middleware in .NET?

IntermediateError Handling
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Q19

How do you implement pagination in .NET?

IntermediatePagination
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Q20

What is session management in .NET?

IntermediateSessions
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Q21

How do you handle CORS in .NET?

IntermediateCORS
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Q22

What is input validation in .NET?

IntermediateValidation
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Q23

How do you implement rate limiting in .NET?

IntermediateRate Limiting
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Q24

What is logging and monitoring in .NET?

IntermediateLogging
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Q25

How do you handle background jobs in .NET?

IntermediateBackground Jobs
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Q26

How do you implement microservices with .NET?

AdvancedMicroservices
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Q27

What are scaling strategies for .NET?

AdvancedScaling
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Q28

How do you implement event-driven architecture in .NET?

AdvancedEvent Handling
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Q29

What is distributed tracing in .NET?

AdvancedDistributed Tracing
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Q30

How do you handle distributed transactions in .NET?

AdvancedDistributed Systems
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Companies Hiring .NET

Google
Amazon
Microsoft
Meta
Netflix
Uber
PayPal
LinkedIn
Spotify
Airbnb

Salary Insights

Average in India
₹7-24 LPA

Frequently Asked Questions

What is .NET used for?

.NET is widely used for creating server-side applications, APIs, and microservices. It's valued for its performance, reliability, and extensive ecosystem.

How long does it take to learn .NET?

Learning .NET basics typically takes 1-3 months of dedicated study. Achieving proficiency requires 6-12 months of practice and real-world projects. Mastery comes with years of experience and continuous learning.

What are the job prospects for .NET developers?

.NET developers are in high demand across industries. With strong .NET skills, you can pursue roles in backend development, API development, DevOps, with competitive salaries ranging from ₹7-24 LPA.

What prerequisites are needed for learning .NET?

Programming basics and understanding of web architecture are helpful prerequisites for learning .NET.

Which companies use .NET?

Major companies using .NET include Google, Amazon, Microsoft, Meta, Netflix, and many more. .NET is adopted across startups to enterprise organizations.

Introduction

Ready to ace your .NET backend developer interview? .NET powers server-side applications for countless companies worldwide.

.NET is crucial for building scalable APIs, microservices, and server applications. This guide covers everything from basic concepts to advanced architectural patterns.

We'll explore commonly asked .NET interview questions about request handling, database integration, authentication, performance optimization, and deployment strategies.

Master these questions to demonstrate your ability to build robust, secure, and efficient backend systems.