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ResumeAI Pro — AI-Powered Resume Builder SaaS

A production-ready, full-stack SaaS platform for building ATS-optimized resumes with AI assistance.

🚀 Features

• AI Resume Rewriting — GPT-4o-mini powered bullet point rewriting, summary improvement
• ATS Score Checker — Real-time scoring (0-100) with detailed breakdown
• 50+ Templates — Modern, Minimal, Executive, Tech, Corporate, Academic styles
• Job Description Matching — Keyword extraction and match percentage
• PDF Resume Parser — Upload existing PDF to auto-fill the builder
• Live Preview — Real-time preview that updates as you type
• PDF Export — High-quality PDF download via jsPDF + html2canvas
• PayPal & PayU Payments — Full payment integration with plan upgrades
• User Dashboard — Save, edit, manage multiple resumes

🛠 Tech Stack

Layer	Technology
Frontend	React 18 + Vite + TailwindCSS
State	Zustand
Backend	Node.js + Express
AI	OpenAI GPT-4o-mini
PDF	jsPDF + html2canvas + pdf-parse
Payments	PayPal REST API + PayU
Auth	JWT + bcrypt
NLP	natural + compromise

📁 Project Structure

resume-builder-saas/
├── client/
│   └── src/
│       ├── components/
│       │   ├── builder/        # Form components
│       │   ├── templates/      # Resume templates
│       │   ├── ats/            # ATS score panel
│       │   └── ui/             # Shared UI
│       ├── pages/              # Route pages
│       ├── store/              # Zustand state
│       └── utils/              # API client + helpers
├── server/
│   ├── routes/                 # API routes
│   ├── services/               # Business logic
│   └── middleware/             # Auth middleware
├── .env.example
└── README.md

⚡ Quick Start

1. Clone & Install

git clone https://github.com/yourusername/resume-builder-saas
cd resume-builder-saas
npm run install:all

2. Configure Environment

cp .env.example server/.env
# Edit server/.env with your API keys

Required environment variables:

OPENAI_API_KEY=your_openai_key
PAYPAL_CLIENT_ID=your_paypal_client_id
PAYPAL_SECRET=your_paypal_secret
PAYPAL_MODE=sandbox
PAYU_KEY=your_payu_key
PAYU_SALT=your_payu_salt
JWT_SECRET=your_jwt_secret
CLIENT_URL=http://localhost:5173
PORT=5000

3. Start Development

npm run dev

• Frontend: http://localhost:5173
• Backend: http://localhost:5000

💳 Payment Configuration

PayPal (Sandbox → Production)

1. Go to https://developer.paypal.com
2. Create a sandbox app to get Client ID + Secret
3. For production, change PAYPAL_MODE=live

PayU

1. Register at https://payu.in
2. Get your Key and 32-bit Salt from dashboard
3. Update PAYU_KEY and PAYU_SALT in .env

🚀 Deployment

Render (Backend)

1. Create a new Web Service on Render
2. Connect your GitHub repository
3. Set root directory to server
4. Build command: npm install
5. Start command: node index.js
6. Add all environment variables

Vercel / Netlify (Frontend)

1. Connect GitHub repo
2. Set root directory to client
3. Build command: npm run build
4. Output directory: dist
5. Add VITE_API_URL environment variable pointing to your Render backend

Update API URL for Production

In client/src/utils/api.js, update the baseURL:

const api = axios.create({ 
  baseURL: import.meta.env.VITE_API_URL || '/api' 
});

🔑 API Endpoints

Method	Endpoint	Auth	Description
POST	/api/auth/register	-	Register user
POST	/api/auth/login	-	Login user
GET	/api/auth/me	✓	Get current user
GET	/api/resume	✓	List resumes
POST	/api/resume	✓	Save resume
PUT	/api/resume/:id	✓	Update resume
DELETE	/api/resume/:id	✓	Delete resume
POST	/api/ai/rewrite-bullet	✓ Premium	AI rewrite bullet
POST	/api/ai/improve-summary	✓ Premium	AI improve summary
POST	/api/ai/generate-bullets	✓ Premium	AI generate bullets
POST	/api/ats/score	✓	Get ATS score
POST	/api/ats/keywords	✓	Extract JD keywords
POST	/api/parse/pdf	✓	Parse PDF resume
POST	/api/payment/paypal/create-order	✓	Create PayPal order
POST	/api/payment/paypal/capture-order	✓	Capture PayPal payment
POST	/api/payment/payu/initiate	✓	Initiate PayU payment

📦 Production Notes

• Replace in-memory user/resume store with MongoDB or PostgreSQL
• Add Redis for session caching
• Use S3 for photo storage
• Enable HTTPS in production
• Add email verification
• Add webhook for PayPal IPN

📄 License

MIT