Developer Net Interview Questions

8,168 developer net interview questions shared by candidates

They mostly grilled on Dot Net Aspects of Authentication and Authorization, Routing, MVC Life Cycle along with C# concepts like Extension Methods, Interfaces, Abstractions. They also focus on Design Patterns and Solid Principles.
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Dot Net Full Stack Developer

Interviewed at TEKsystems

3.6
Apr 22, 2021

They mostly grilled on Dot Net Aspects of Authentication and Authorization, Routing, MVC Life Cycle along with C# concepts like Extension Methods, Interfaces, Abstractions. They also focus on Design Patterns and Solid Principles.

The technical part of the interview included one medium-level SQL question where I had to join multiple tables, perform aggregations, and use a HAVING clause to filter results. There were also two algorithmic problems that focused more on problem-solving and reasoning than memorized knowledge. Both could be solved efficiently using the two-pointer approach.
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.NET Developer

Interviewed at Paysend

4.6
May 18, 2026

The technical part of the interview included one medium-level SQL question where I had to join multiple tables, perform aggregations, and use a HAVING clause to filter results. There were also two algorithmic problems that focused more on problem-solving and reasoning than memorized knowledge. Both could be solved efficiently using the two-pointer approach.

1) What is Encapsulation and Polymorphism 2) Difference between Abstraction and Interface 3) Difference between IQueryable and IEnumerable 4) Explain Extension Methods, Anonymous method, Middleware 5) Write a C# program for reversing of the Whole String. 6) Write a C# program to print index of Array from given Array Of Numbers [2, 7, 11, 15] whose Sum is 9.
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Dot Net Expert

Interviewed at HashedIn by Deloitte

4
Oct 3, 2024

1) What is Encapsulation and Polymorphism 2) Difference between Abstraction and Interface 3) Difference between IQueryable and IEnumerable 4) Explain Extension Methods, Anonymous method, Middleware 5) Write a C# program for reversing of the Whole String. 6) Write a C# program to print index of Array from given Array Of Numbers [2, 7, 11, 15] whose Sum is 9.

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