Backend Interview Questions Collection

Welcome to the Comprehensive Backend Interview Questions Repository. This collection covers essential topics to help you prepare for backend developer interviews. I have spent eight years attending interviews and two years interviewing others to gather and refine these questions.

📚 Available Question Sets

General Backend Interview Questions

Covers fundamental backend development concepts including:

• Object-Oriented Programming (OOP)
• Fundamentals & Architecture
• Networking & HTTP
• Databases & Data Management
• Performance & Scalability
• Security
• System Design & Patterns
• DevOps & Infrastructure
• Version Control (Git)

Total Questions: 79

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.NET Core Interview Questions

Specialized questions for .NET Core developers covering:

• Fundamentals & Architecture
• Dependency Injection & Services
• Web API Development
• Entity Framework Core
• Security & Authentication
• Performance & Advanced Topics

Total Questions: 30

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Node.js Interview Questions

Comprehensive questions for Node.js developers covering:

• Fundamentals & Core Concepts
• Asynchronous Programming
• Modules & Architecture
• File System & Networking
• Security & Best Practices
• Performance & Debugging

Total Questions: 30

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PHP Laravel Interview Questions

Essential questions for Laravel developers covering:

• Laravel Fundamentals
• Routing & Controllers
• Eloquent ORM & Database
• Blade Templating & Views
• Authentication & Authorization
• Advanced Features

Total Questions: 30

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🎯 How to Use This Repository

1. Study by Topic: Each file is organized by categories for focused learning
2. Review Answers: Every question includes detailed answers with explanations (the answers generated with AI have been reviewed and refined by me)
3. Practice: Use these questions to test your knowledge or prepare for interviews
4. Contribute: Feel free to add more questions or improve existing answers

📖 Quick Navigation

• General Backend: backend-interview-questions.md
• .NET Core: dotnet-core-interview-questions.md
• Node.js: nodejs-interview-questions.md
• PHP Laravel: php-laravel-interview-questions.md

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Total Questions: 169

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👨‍💻 About This Repository

Methodology

• 📝 Questions Selection: Created by Me based on industry experience and common interview patterns
• 🤖 Content Generation: Organized and initially drafted using AI assistance
• ✅ Quality Assurance: All content reviewed, verified, and refined by Me
• 🎯 Practical Focus: Emphasis on real-world applicability and interview relevance