🎯 Interview Simulator Platform

A full-stack web application that simulates real coding interviews. It allows users to practice coding problems in a live environment with real-time collaboration and AI-based feedback.

---

🚀 Features

• 👨‍💻 Live Coding Interview Environment
• 🧑‍🤝‍🧑 Real-time Collaboration (Socket.IO)
• 💬 Chat System between interviewer & candidate
• ⚡ Code Execution using Judge0 API
• 🤖 AI-based Code Feedback (Python Service)
• 🔐 Authentication (JWT)
• 📊 Interview Feedback Dashboard

---

🏗️ Project Structure

interview-simulator/
├── client/        # React (Vite) frontend
├── server/        # Node.js + Express backend
├── ai-service/    # Python (Flask) AI service

---

🧠 System Architecture

Frontend (React)
↓
Backend (Node.js)
↓
AI Service (Python)
↓
Database (MongoDB)

---

🛠️ Tech Stack

Frontend

• React (Vite)
• Axios
• Socket.IO Client

Backend

• Node.js
• Express.js
• Socket.IO
• JWT Authentication

AI Service

• Python
• Flask

Database

• MongoDB

---

⚙️ Setup Instructions

1. Clone Repository

git clone <your-repo-link>
cd interview-simulator

---

2. Setup Frontend

cd client
npm install
npm run dev

---

3. Setup Backend

cd server
npm install
npm run dev

---

4. Setup AI Service

cd ai-service
python -m venv venv

Activate Environment

Windows

venv\Scripts\activate

Mac/Linux

source venv/bin/activate

Install Dependencies

pip install flask

Run AI Service

python app.py

---

🔌 Ports Used

• Frontend → http://localhost:5173
• Backend → http://localhost:5000
• AI Service → http://localhost:5001

---

👥 Team Responsibilities

• Frontend → UI, pages, integration
• Backend → APIs, authentication, database
• Real-time → Socket.IO (chat + sync)
• AI → Python service for feedback

---

⚠️ Notes

• Make sure all three services are running simultaneously
• AI module is kept simple for project feasibility
• Real-time features depend on Socket.IO

---

📌 Future Enhancements

• Video Interview (WebRTC)
• Advanced AI Evaluation
• Multi-language code execution
• Interview recording & playback

---