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8,167 senior net developer interview questions shared by candidates

Tell me about your role in the current project? Are you willing to take ownership? What would you say about your communication with stakeholders of projects? Tell me about a solution which made a big difference in the system if any?
avatar

.NET Developer

Interviewed at EPAM Systems

4★
Dec 19, 2024

Tell me about your role in the current project? Are you willing to take ownership? What would you say about your communication with stakeholders of projects? Tell me about a solution which made a big difference in the system if any?

🟦 .NET / Backend Can you explain the difference between an interface and an abstract class in C#? How do you implement dependency injection in a .NET Core application? How would you handle global exception handling in a Web API? What are some best practices for structuring a RESTful API in ASP.NET Core? Have you worked with Entity Framework or Dapper? When would you use one over the other? What is the role of async/await in .NET? Can you give an example? 🟧 Angular / Frontend How do you manage state in Angular applications? What is the difference between ngOnInit and the constructor in a component? How do you handle form validation in Angular? How do you communicate between components (parent-child and sibling-sibling)? What is the difference between observables and promises? ☁️ Azure / DevOps Which Azure services have you worked with? How would you deploy a .NET app to Azure? How do you manage application secrets in Azure? Have you worked with Azure DevOps pipelines? Can you describe the CI/CD process? 🧠 General / Logical Thinking Given a list of numbers, how would you return only the duplicates? Describe a situation where you had to debug a difficult issue.
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Senior .NET Engineer

Interviewed at EPAM Systems

4★
Apr 1, 2025

🟦 .NET / Backend Can you explain the difference between an interface and an abstract class in C#? How do you implement dependency injection in a .NET Core application? How would you handle global exception handling in a Web API? What are some best practices for structuring a RESTful API in ASP.NET Core? Have you worked with Entity Framework or Dapper? When would you use one over the other? What is the role of async/await in .NET? Can you give an example? 🟧 Angular / Frontend How do you manage state in Angular applications? What is the difference between ngOnInit and the constructor in a component? How do you handle form validation in Angular? How do you communicate between components (parent-child and sibling-sibling)? What is the difference between observables and promises? ☁️ Azure / DevOps Which Azure services have you worked with? How would you deploy a .NET app to Azure? How do you manage application secrets in Azure? Have you worked with Azure DevOps pipelines? Can you describe the CI/CD process? 🧠 General / Logical Thinking Given a list of numbers, how would you return only the duplicates? Describe a situation where you had to debug a difficult issue.

Difference between monolithic architecture and microservices. Difference between using a try-catch block with catch (Exception ex) { throw; } and not having a catch block. Difference between clustered and non-clustered index. What is a garbage collector? What is middleware? What is Entity Framework? Difference between inner join and outer join.
avatar

Senior .NET Engineer

Interviewed at EPAM Systems

4★
Jan 20, 2026

Difference between monolithic architecture and microservices. Difference between using a try-catch block with catch (Exception ex) { throw; } and not having a catch block. Difference between clustered and non-clustered index. What is a garbage collector? What is middleware? What is Entity Framework? Difference between inner join and outer join.

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