🚀 HireMind AI

AI-powered mock interview platform that simulates real-world technical interviews using dynamic question generation, secure authentication, and scalable full-stack architecture.

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🌐 Live Demo

🔗 Frontend: https://hire-mind-ai-ten.vercel.app 🔗 Backend API: https://hiremind-ai-3wl2.onrender.com

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🧠 What is HireMind AI?

HireMind AI is a full-stack intelligent interview simulator designed to replicate real interview environments.

It enables users to:

• Practice interviews with AI-generated questions
• Experience structured interview sessions
• Track progress through session-based workflows
• Access premium features via secure payment integration

Unlike static practice platforms, HireMind AI introduces dynamic, context-aware questioning, making preparation closer to real-world scenarios.

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✨ Key Features

🤖 AI-Powered Interview Engine

• Dynamic question generation based on role/domain
• Adaptive flow to simulate real interview progression
• Integrates AI APIs for intelligent responses

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🔐 Secure Authentication System

• JWT-based authentication
• Protected API routes
• Middleware-driven authorization flow

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🧾 Session-Based Interview Tracking

• Persistent interview sessions
• Structured flow management
• Scalable session handling via backend services

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💳 Payment Integration (Razorpay)

• Secure payment handling for premium features
• API-based transaction flow
• Ready for subscription-based expansion

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⚡ Modern Frontend Experience

• Built with React + Vite
• Fast, responsive UI
• Component-based scalable design

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🏗️ Architecture Overview

Frontend (Vercel - CDN)
        ↓
Backend (Render - Node/Express API)
        ↓
Database (MongoDB)
        ↓
External Services (AI APIs, Razorpay)

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🧰 Tech Stack

🎨 Frontend

• React (Vite)
• JavaScript (ES6+)
• CSS

⚙️ Backend

• Node.js
• Express.js

🗄️ Database

• MongoDB

🔐 Authentication

• JSON Web Tokens (JWT)

💳 Payments

• Razorpay API

☁️ Deployment

• Frontend: Vercel
• Backend: Render

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📁 Project Structure

HireMind-AI/
│
├── backend/
│   ├── src/
│   │   ├── config/        # Configuration files
│   │   ├── controllers/   # Route logic
│   │   ├── services/      # Business logic layer
│   │   ├── routes/        # API routes
│   │   ├── models/        # Database schemas
│   │   ├── middlewares/   # Auth & error handling
│   │   └── app.js         # Express app setup
│   ├── server.js          # Entry point
│   └── package.json
│
├── frontend/
│   ├── src/               # React components
│   ├── index.html
│   ├── vite.config.js
│   └── package.json
│
└── README.md

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⚙️ Local Setup Guide

1️⃣ Clone the Repository

git clone https://github.com/aryandevtyagi10/HireMind-AI.git
cd HireMind-AI

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2️⃣ Install Dependencies

Backend

cd backend
npm install

Frontend

cd frontend
npm install

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3️⃣ Environment Configuration

Create .env in /backend:

PORT=5000
MONGO_URI=your_mongodb_uri
JWT_SECRET=your_jwt_secret
GOOGLE_GENAI_API_KEY=your_ai_key
RAZORPAY_KEY_ID=your_key
RAZORPAY_KEY_SECRET=your_secret
CLIENT_URL=http://localhost:5173

Create .env in /frontend:

VITE_API_URL=http://localhost:5000

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4️⃣ Run the Application

Start Backend

cd backend
npm run dev

Start Frontend

cd frontend
npm run dev

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🔐 Authentication Flow

1. User signs up / logs in
2. JWT token is generated on backend
3. Token is stored on client
4. Protected routes validate token via middleware

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🔄 Application Workflow

1. User selects role/domain
2. AI generates relevant interview questions
3. Session is initialized and stored
4. User interacts with interview flow
5. Backend tracks responses and progress

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🚀 Deployment Strategy

Frontend (Vercel)

• Static hosting with global CDN

• Environment variable:

  VITE_API_URL=https://hiremind-ai-3wl2.onrender.com
  

Backend (Render)

• Node.js web service
• Environment variables configured securely
• Handles API + business logic

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📈 Design Highlights

• Clean layered architecture (Controller → Service → Route)
• Stateless authentication (JWT)
• Fully decoupled frontend & backend
• Production-ready deployment setup
• Scalable codebase for future expansion

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🧪 Future Enhancements

• 🎤 Voice-based interview simulation
• 🧠 AI-based answer evaluation & scoring
• 📊 Performance analytics dashboard
• 📱 Mobile responsiveness improvements
• ☁️ AWS deployment (EC2 / Lambda / S3)

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👨‍💻 Author

Aryan Dev Tyagi 📧 aryandevtyagi10@gmail.com 🔗 https://github.com/aryandevtyagi10

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⭐ Support

If you found this project useful:

• ⭐ Star the repository
• 🍴 Fork and contribute
• 🧠 Share feedback

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“Practice like it's real. Perform like it's nothing.”