Technical Interview Questions Repository 2025

A comprehensive collection of technical interview questions from FAANG and top tech companies, contributed by the community. This repository aims to help candidates prepare for both on-campus and off-campus technical interviews in 2025.

📚 Repository Structure

├── dsa/                         # Data Structures & Algorithms Questions
│   ├── arrays/                  # Array related questions
│   ├── strings/                 # String manipulation questions
│   ├── linked-lists/           # Linked list problems
│   ├── trees/                  # Tree and graph problems
│   ├── graphs/                 # Graph algorithms
│   ├── dynamic-programming/    # DP problems
│   ├── greedy/                 # Greedy algorithm problems
│   └── other/                  # Other DSA topics
│
└── dev/                         # Development Questions
    ├── frontend/               # Frontend development questions
    ├── backend/                # Backend development questions
    ├── system-design/          # System design questions
    ├── database/               # Database related questions
    ├── operating-systems/      # OS concepts
    ├── computer-networks/      # Networking questions
    └── other/                  # Other development topics

🎯 Purpose

This repository serves as a community-driven resource for:

• Technical interview preparation
• Understanding current interview trends
• Learning from real interview experiences
• Practicing coding problems with solutions
• Sharing interview strategies and tips

📝 Question Format

Each question should follow this simple format:

# [Question Title/Number]

Contributor: [GitHub Username]
Company: [Company Name]
Interview Type: [On-Campus/Off-Campus]
Round: [Technical/Phone/Final/Online Assessment]
Date: [Month Year]
Difficulty: [Easy/Medium/Hard]
Tech/Topics: [React, JavaScript, Array, String, DP, etc.]
Source Platform: [LeetCode/Codeforces/HackerRank/GeeksforGeeks/Interview/Custom]

🤝 How to Contribute

1. Fork the repository
2. Create a new branch for your contribution
3. Choose the appropriate folder (dsa/ or dev/) based on the question type
4. Add your question following the simple format above
5. Submit a pull request

📋 Contribution Guidelines

• Ensure your question is from a real interview experience
• Keep the format simple and consistent
• Include the source platform if applicable
• Add your GitHub username as contributor
• Mention the company and interview type
• Specify the technology or topic area

🏷️ Topics Covered

DSA Topics

• Arrays and Strings
• Linked Lists
• Trees and Graphs
• Dynamic Programming
• Greedy Algorithms
• Searching and Sorting
• Stacks and Queues
• Heaps
• Advanced Data Structures

Development Topics

• Frontend Development
  • React/Angular/Vue
  • JavaScript/TypeScript
  • HTML/CSS
  • Web Performance
• Backend Development
  • API Design
  • Microservices
  • Server-side Programming
• System Design
  • Scalability
  • Distributed Systems
  • Design Patterns
• Database
  • SQL/NoSQL
  • Database Design
  • Query Optimization
• Computer Science Fundamentals
  • Operating Systems
  • Computer Networks
  • Compiler Design

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

Thanks to all contributors who share their interview experiences to help others in their preparation journey.

⭐ Star the Repository

If you find this repository helpful, please give it a star! It helps in reaching more people who might benefit from it.

For any queries or suggestions, please open an issue in the repository.

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Note: This repository is maintained by the community. Please verify the information before using it for interview preparation.