Are you preparing for a .NET developer interview in India? Whether you’re a fresher or experienced, companies are looking for developers who understand both the technical concepts and real-world problem-solving.
Here’s a complete list of frequently asked .NET interview questions (with SEO-rich keywords) to help you crack your next job interview with confidence.
Basic .NET Interview Questions (For Freshers & Juniors)
- What is the .NET Framework and how does it work?
- Explain the CLR (Common Language Runtime) and CTS (Common Type System).
- What is the difference between .NET Core and .NET Framework?
- Use real-time use cases for both platforms.
- Explain the concept of managed and unmanaged code.
- What are the features of C# 9/10/11?
- Stay updated with latest C# features.
- What is the difference between value type and reference type in C#?
- Explain Boxing and Unboxing in .NET.
- What is Garbage Collection and how does it work in .NET?
- What are Assemblies and Namespaces?
ASP.NET and Web Development Questions
- What is the difference between ASP.NET MVC and ASP.NET Web Forms?
- How does routing work in ASP.NET Core MVC?
- Explain the page life cycle in ASP.NET.
- What are middleware components in ASP.NET Core?
- How to handle exceptions globally in ASP.NET Core?
- What is dependency injection and how is it implemented in .NET Core?
- How do you manage state in ASP.NET (Session, Cookies, TempData, ViewData)?
- What is Razor syntax in ASP.NET Core?
Advanced .NET Concepts (For Mid to Senior Developers)
- What are design patterns commonly used in .NET?
- Examples: Repository Pattern, Unit of Work, Singleton, Factory.
- How do you implement asynchronous programming in C#?
- Use
async/await,Task, andParallelexamples.
- Use
- What is Entity Framework Core?
- Code-first vs. Database-first approaches.
- How to handle migrations in EF Core?
- How do you optimize LINQ queries?
- Explain SOLID principles with C# examples.
- What is the difference between IEnumerable, ICollection, and IQueryable?
.NET Security & Performance Questions
- How do you implement authentication and authorization in ASP.NET Core?
- Use JWT (JSON Web Token) and Identity Framework.
- How do you prevent SQL injection in .NET?
- How do you optimize memory usage in a .NET application?
- How do you secure APIs in .NET Core Web API?
.NET Interview Questions for Full Stack Developers
- How do you integrate Angular/React with ASP.NET Core backend?
- Explain RESTful APIs and how to create them using ASP.NET Core Web API.
- How do you deploy .NET apps on cloud platforms (Azure, AWS)?
- What tools do you use for CI/CD with .NET applications?
- Mention GitHub Actions, Azure DevOps, Jenkins.
HR & Behavioral Interview Questions for .NET Developers
- Tell me about a challenging .NET project and how you handled it.
- How do you stay updated with the latest .NET technologies?
- Why do you want to join our company as a .NET Developer?
- What are your strengths and weaknesses as a developer?
- How do you manage tight deadlines or production issues?
📊 Salary Trends for .NET Developers in India (2025)
| Experience Level | Avg. Salary (INR) | Job Locations |
|---|---|---|
| Fresher (0–1 yr) | ₹3 – ₹5 LPA | Pune, Bangalore, Noida |
| Mid-level (2–5 yrs) | ₹6 – ₹12 LPA | Hyderabad, Mumbai, Chennai |
| Senior (6+ yrs) | ₹13 – ₹25 LPA | Gurgaon, Bangalore, Remote |
Final Tips for Cracking .NET Interviews in India
- ✅ Practice coding on platforms like LeetCode, HackerRank, and GitHub.
- ✅ Brush up on data structures and algorithms in C#.
- ✅ Prepare for system design questions for senior roles.
- ✅ Keep your resume and LinkedIn updated with your latest projects.
- ✅ Join developer communities on Reddit, LinkedIn, StackOverflow, and .NET Foundation forums.
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