Software Developer Net Interview Questions

8,183 software developer net interview questions shared by candidates

When I started, one interviewer first asked me the questions from SQL Server and then the other interviewer asked .NET C# questions. SQL Server questions: - What is the difference between a function and a Stored procedure? - Difference between HAVING and WHERE condition? - Can be unique key null? C# .NET questions: - What is an assembly? - What is an EXE ? - What is LINQ? - What is IQueryble ? - Difference between IQueryble and IEnumerable? ASP.NET MVC - describe MVC pattern . Another bad experience I did not get any feedback after I answered their questions and or for an unknown question they did not try to say the correct answer or explain to me. They kept asking me (probably reading from a piece of paper or a document) other questions. Indeed , where is the professionalism here? It certainly did not exist or I did not see it from them. Overall I had a bad experience and wasted my time with them. There are probably other people with a higher level of professionalism in this company and next time I hope to meet them to have a better interview experience.
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.NET Developer

Interviewed at Cognizant

3.6
Feb 22, 2022

When I started, one interviewer first asked me the questions from SQL Server and then the other interviewer asked .NET C# questions. SQL Server questions: - What is the difference between a function and a Stored procedure? - Difference between HAVING and WHERE condition? - Can be unique key null? C# .NET questions: - What is an assembly? - What is an EXE ? - What is LINQ? - What is IQueryble ? - Difference between IQueryble and IEnumerable? ASP.NET MVC - describe MVC pattern . Another bad experience I did not get any feedback after I answered their questions and or for an unknown question they did not try to say the correct answer or explain to me. They kept asking me (probably reading from a piece of paper or a document) other questions. Indeed , where is the professionalism here? It certainly did not exist or I did not see it from them. Overall I had a bad experience and wasted my time with them. There are probably other people with a higher level of professionalism in this company and next time I hope to meet them to have a better interview experience.

Applied through Infosys portal. 1. First round was online AI BOT interview, Asked about overall .net related question like entity framework, DI, SQL Schema, etc, overall 10-12 questions. 2. Round was technical - about 30 min. Overall architectural level questions. Design patterns, scalable application
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.Net Lead-WPF,ASP.Net

Interviewed at Infosys

3.6
Feb 16, 2026

Applied through Infosys portal. 1. First round was online AI BOT interview, Asked about overall .net related question like entity framework, DI, SQL Schema, etc, overall 10-12 questions. 2. Round was technical - about 30 min. Overall architectural level questions. Design patterns, scalable application

He asked me the following questions: What are properties in C# and why do we need them? Do you know any design patterns? Which one have you used in your project and why? How would you create a method that can accept parameters of any type and then determine the parameter type? Write a program to reverse an array in length/2 iterations without using the built-in reverse function. What is a View in SQL and why do we use it? What is the difference between stored procedures and functions? How would you design a payment gateway Pay() method for different payment methods using method overloading? (The interviewer wanted to check my practical understanding of method overloading.) Introduce yourself and rate your proficiency in .NET and SQL. (This was asked at the beginning of the interview.) Overall, the interview focused on practical understanding, reasoning behind concepts, and real-world application of programming principles rather than theoretical definitions.
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MES Developer (.NET)

Interviewed at ArcelorMittal

4
Mar 13, 2026

He asked me the following questions: What are properties in C# and why do we need them? Do you know any design patterns? Which one have you used in your project and why? How would you create a method that can accept parameters of any type and then determine the parameter type? Write a program to reverse an array in length/2 iterations without using the built-in reverse function. What is a View in SQL and why do we use it? What is the difference between stored procedures and functions? How would you design a payment gateway Pay() method for different payment methods using method overloading? (The interviewer wanted to check my practical understanding of method overloading.) Introduce yourself and rate your proficiency in .NET and SQL. (This was asked at the beginning of the interview.) Overall, the interview focused on practical understanding, reasoning behind concepts, and real-world application of programming principles rather than theoretical definitions.

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