🧠 AI-Powered Interview Assistant

Welcome to the AI Interview Prep Platform — a full-stack application that allows users to simulate job interviews using AI voice agents and receive real-time feedback. Built with Next.js, Firebase, TailwindCSS, Vapi, Google Gemini, and shadcn/ui.

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🎥 Watch Demo

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⚙️ Tech Stack

• ⚛️ Next.js — React Framework for Production
• 📝 TypeScript — Strongly typed development
• 🔥 Firebase — Auth & Backend Services
• 🎨 Tailwind CSS — Utility-first CSS framework
• 🧠 Vapi AI — AI voice agent integration
• 💬 Google Gemini — Interview question & feedback generation
• 🧩 shadcn/ui — Beautiful UI components
• 📐 Zod — Schema validation

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🔋 Features

• 🔐 Authentication
  Secure email/password auth using Firebase.

• 🧑‍💼 Create Interviews
  Generate personalized interviews using voice input.

• 🧠 AI Feedback
  Get voice & text feedback using Google Gemini and Vapi.

• 💻 Modern UI/UX
  Sleek, accessible, and responsive design.

• 📄 Interview Page
  Take interviews with real-time transcripts and summaries.

• 🧭 Dashboard
  View, track, and manage all interviews in one place.

• 📱 Responsive Design
  Fully optimized for desktop, tablet, and mobile devices.

• 🔁 Reusable Codebase
  Built with scalability and maintainability in mind.

• 📥Download & Share Feedback Report
  Export your feedback as a professionally formatted PDF

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⚡ Quick Start

🧰 Prerequisites

Make sure you have the following installed:

• Git
• Node.js
• npm

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📦 Installation

git clone git clone https://github.com/Harshi-max/AI-Interviewer.git

cd AI-Interviewer
npm install

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Set Up Environment Variables

🔊 Vapi AI (Voice Assistant)

NEXT_PUBLIC_VAPI_WEB_TOKEN=your_vapi_web_token NEXT_PUBLIC_VAPI_WORKFLOW_ID=your_vapi_workflow_id

🤖 Google Gemini AI

GOOGLE_GENERATIVE_AI_API_KEY=your_google_gemini_api_key

🌐 Base URL

NEXT_PUBLIC_BASE_URL=http://localhost:3000

🔥 Firebase Client Config

NEXT_PUBLIC_FIREBASE_API_KEY=your_firebase_api_key NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=your_firebase_auth_domain NEXT_PUBLIC_FIREBASE_PROJECT_ID=your_project_id NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=your_bucket NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID=your_messaging_sender_id NEXT_PUBLIC_FIREBASE_APP_ID=your_app_id

🔐 Firebase Admin SDK (server-side usage only)

FIREBASE_PROJECT_ID=your_project_id FIREBASE_CLIENT_EMAIL=your_service_account_email FIREBASE_PRIVATE_KEY="-----BEGIN PRIVATE KEY-----\nYOUR_PRIVATE_KEY_CONTENT\n-----END PRIVATE KEY-----\n"

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Running the Project

npm run dev

Open http://localhost:3000 in your browser to view the project.