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      EPAM Systems

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      Senior .NET Engineer Interview

      20 Jan 2026
      Anonymous interview candidate
      New York, NY

      Other Senior .NET Engineer interview reviews for EPAM Systems

      Senior .NET Engineer Interview

      1 Apr 2025
      Anonymous interview candidate
      Bogotá, Bogota
      No offer
      Declined offer
      Positive experience
      Average interview

      Application

      I applied online. I interviewed at EPAM Systems (New York, NY)

      Interview

      The interviews lasted about three hours in total and were well structured. The interviewer was professional and clear in communication. The process included two technical coding rounds followed by a final round with the hiring manager to discuss experience and expectations.

      Interview questions [1]

      Question 1

      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.
      Answer question
      1
      Negative experience
      Difficult interview

      Application

      I applied online. The process took 2 weeks. I interviewed at EPAM Systems (Bogotá, Bogota) in Mar 2025

      Interview

      I recently participated in the interview process for a Senior .NET Engineer position. I approached the interview professionally and answered all questions based on my real-world experience. However, I was surprised and disappointed to receive feedback that indirectly questioned my integrity — something I strongly deny. During the call, I experienced platform lag, which made it difficult to hear some questions clearly — an issue I pointed out during the interview. At times, I had to glance away due to notifications from my current job, but I never used any external tools or attempted to cheat in any way. I even closed all browser tabs, as requested by the interviewer. I find it unfair and unprofessional to make assumptions about a candidate's honesty without solid evidence, especially when I was transparent about the topics I was less familiar with. It was also confusing to hear concerns about my performance when the interview ran nearly 20 minutes over the scheduled time — which I took as a sign of interest. I respectfully encourage the company to review its evaluation approach and ensure that feedback is objective, specific, and fair. Mutual respect and transparency should be the foundation of any hiring process.

      Interview questions [1]

      Question 1

      🟦 .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.
      Answer question