Net Developer Interview Questions

8,160 net developer interview questions shared by candidates

Starts with Introduction then asked me to rate myself out of 5 in different technologies. If I have experience in .Net core. What all Design Patterns I have worked on except Singleton. Scenario Based question on C# whether to use Abstract Class or Interface and why? What all things you can declare in interface and how you can implement except methods. Syntax of implementing properties. Difference between ref and out keyword. Why do we overload a method with same name instead of simply creating another method with different name. As it is only for theory namesake or there is a practical scenario or usage. Difference between Static and Singleton. Can you declare a non static method inside a static class. static and singleton why they are stored differently in stack and heap even though they serve the same purpose. Difference between Annonymous Type and Generics Difference between readonly and constant. What are the usages? If you create a class and try to create object with using keyword, will it allow? Difference between ViewBag and TempData. How can you refresh two partial views from a single action method in controller. How does OAuth token is generated. How will you get the token, how will you send the token. How the token is stored on client and server. How will you dispaly all data from right table and matching data from left table. Difference between TempTable and normal table. Performance tuning a query Repository Pattern implementation with RealTime example
avatar

.NET Lead

Interviewed at Concentrix

3.9
Aug 23, 2021

Starts with Introduction then asked me to rate myself out of 5 in different technologies. If I have experience in .Net core. What all Design Patterns I have worked on except Singleton. Scenario Based question on C# whether to use Abstract Class or Interface and why? What all things you can declare in interface and how you can implement except methods. Syntax of implementing properties. Difference between ref and out keyword. Why do we overload a method with same name instead of simply creating another method with different name. As it is only for theory namesake or there is a practical scenario or usage. Difference between Static and Singleton. Can you declare a non static method inside a static class. static and singleton why they are stored differently in stack and heap even though they serve the same purpose. Difference between Annonymous Type and Generics Difference between readonly and constant. What are the usages? If you create a class and try to create object with using keyword, will it allow? Difference between ViewBag and TempData. How can you refresh two partial views from a single action method in controller. How does OAuth token is generated. How will you get the token, how will you send the token. How the token is stored on client and server. How will you dispaly all data from right table and matching data from left table. Difference between TempTable and normal table. Performance tuning a query Repository Pattern implementation with RealTime example

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.
avatar

.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.

Viewing 8111 - 8120 interview questions

Glassdoor has 8,160 interview questions and reports from Net developer interviews. Prepare for your interview. Get hired. Love your job.