AI Mock Interview Platform - HireSim

An AI-powered mock interview platform built with React frontend and Node.js backend. Uses Groq API for real-time question generation based on job description and resume analysis.

Tech Stack

• Frontend: React
• Backend: Node.js, Express
• AI: Groq API
• File Processing: Multer, PDF-parse
• Voice: Text-to-speech/speech-to-text

Setup

Prerequisites

• Node.js (v14+)
• Groq API key

Installation

1. Clone and install dependencies

git clone <repo-url>
cd ai-mock-interview-platform

# Backend
cd backend
npm install

# Frontend
cd ../frontend
npm install

2. Environment Setup Create .env in backend directory:

PORT=5000
GROQ_API_KEY=your_groq_api_key_here
MONGODB_URI=your_mongo_db_uri_here
JWT_SECRET=your_jwt_secret_here
GROQ_MODEL=specify_the_groq_model_here
GROQ_API_URL=specify_the_groq_api_url_here

Running the App

1. Start Backend

cd backend
npm start

2. Start Frontend

cd frontend
npm start

Usage

1. Upload PDF resume
2. Enter job description
3. Start AI-powered interview
4. Answer questions via voice/text
5. Review transcript

API Endpoints

• POST /api/upload - Upload resume and job description
• POST /api/interview/start - Start interview session
• POST /api/interview/next - Get next question
• POST /api/interview/end - End interview

Features

• Dynamic question generation
• PDF resume parsing
• Voice interaction
• Interview transcript
• Context-aware follow-ups