🤖 AI Interview Helper

AI Interview Helper is a full-stack web application that helps candidates prepare for interviews by analyzing their resume and a target job description using Google Gemini AI.

The application generates a personalized interview preparation strategy including:

• Match Score Analysis
• Technical Interview Questions
• Behavioral Interview Questions
• Skill Gap Identification
• Preparation Roadmap
• ATS-Friendly Resume Generation

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🚀 Features

Authentication

• User Registration
• User Login
• JWT Authentication
• Protected Routes

AI-Powered Interview Analysis

• Upload Resume (PDF)
• Provide Job Description
• Optional Self Description
• AI-generated Interview Strategy

Interview Report

• Match Score (0–100)
• Technical Questions with Suggested Answers
• Behavioral Questions with Suggested Answers
• Skill Gap Analysis
• Personalized Preparation Plan

Resume Generator

• AI-generated ATS-friendly Resume
• PDF Download Support
• Tailored according to Job Description

Dashboard

• View Previous Reports
• Access Interview History
• Download Generated Resume

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🛠️ Tech Stack

Frontend

• React.js
• Vite
• React Router
• Context API
• SCSS

Backend

• Node.js
• Express.js
• MongoDB
• Mongoose

AI & Processing

• Google Gemini API
• Zod Validation
• PDF Parse
• Puppeteer

Authentication

• JWT
• bcrypt

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📂 Project Structure

AI-Interview-Helper
│
├── Frontend
│   ├── src
│   │   ├── features
│   │   │   ├── auth
│   │   │   └── interview
│   │   ├── App.jsx
│   │   └── main.jsx
│   └── package.json
│
├── Backend
│   ├── src
│   │   ├── controllers
│   │   ├── middlewares
│   │   ├── models
│   │   ├── router
│   │   ├── services
│   │   └── config
│   └── package.json
│
└── README.md

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⚙️ Installation

1. Clone Repository

git clone https://github.com/Sarthak050205/AI-Interview-Helper.git
cd AI-Interview-Helper

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2. Setup Backend

cd Backend
npm install

Create a .env file:

PORT=3000

MONGODB_URI=your_mongodb_connection_string

JWT_SECRET=your_jwt_secret

GOOGLE_GENAI_API_KEY=your_gemini_api_key

Start Backend:

npm run dev

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3. Setup Frontend

cd Frontend
npm install
npm run dev

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📖 Usage

1. Register/Login.

2. Upload your Resume (PDF).

3. Paste the Target Job Description.

4. Optionally provide a Self Description.

5. Click Generate My Interview Strategy.

6. Review:

   • Match Score
   • Technical Questions
   • Behavioral Questions
   • Skill Gaps
   • Preparation Plan

7. Download the AI-generated Resume PDF.

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📸 Screenshots

Home Page

Add screenshot here

Interview Report

Add screenshot here

Skill Gap Analysis

Add screenshot here

Preparation Roadmap

Add screenshot here

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🔍 Challenges Solved

During development, several real-world engineering challenges were solved:

• AI JSON Structure Validation
• Gemini API Error Handling (503 Retries)
• MongoDB Schema Validation
• Resume PDF Parsing
• Authentication & Route Protection
• Frontend Loading State Management
• AI Response Validation using Zod

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🎯 Future Improvements

• AI Mock Interview Chatbot
• Voice-based Interview Practice
• Resume ATS Score Checker
• Email Report Sharing
• Multi-Resume Comparison
• Interview Progress Tracking

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👨‍💻 Author

Sarthak Kumar Lohani

GitHub: https://github.com/Sarthak050205

LinkedIn: https://www.linkedin.com/in/sarthak-kumar-lohani-214aab325

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⭐ Support

If you found this project useful, consider giving it a star on GitHub.