Welcome to my GitHub profile! I'm a passionate and experienced Full-Stack Website Developer with a strong foundation in the MERN stack, Wordpress Custom Development and Plugin development (MongoDB, Express.js, React.js,Next.js Node.js,Nest.js ,PHP,Laravel,Python,Django ,Three.js ,GASP). I love solving complex problems, building scalable applications, and exploring the latest in web development.

🔗 Portfolio: https://hasnain-portfolio-ten.vercel.app/
💼 LinkedIn: linkedin.com/in/hasnain-alvi-developer
💻 GitHub: github.com/alvi597

Here are some of my live projects and websites:

• Portfolio
• Pakistan Jobs Web
• Hasnain Bot
• SEO Audit Tool
• Crypto Trading Platform
• Gulf Jobs & Scholarships
• CodeMode Editor
• Falco Dev (Software House)
• Automateed
• Healee
• Propy
• Talkwalker

• Build fast, responsive, and dynamic websites & dashboards
• Design RESTful APIs and real-time applications
• End-to-end solutions using MongoDB, Express, React, Node

• Creating lightweight and powerful Chrome extensions
• Developing custom WordPress plugins to extend website functionality
• Focused on user-friendly UI/UX and performance

I specialize in implementing robust security practices to protect websites and applications from common threats, ensuring data integrity, user privacy, and compliance with industry standards.

• Authentication & Authorization

  • Secure login systems using JWT, OAuth 2.0, and bcrypt
  • Role-based access control (RBAC)
  • Session security and token expiration strategies

• Input Validation & Sanitization

  • Protection against SQL Injection, NoSQL Injection, and XSS
  • Using libraries like express-validator, DOMPurify

• HTTPS & Secure Headers

  • SSL certificate implementation and HTTP to HTTPS enforcement
  • Using helmet.js for security headers like:
    • Content-Security-Policy
    • X-Frame-Options
    • Strict-Transport-Security
    • X-XSS-Protection

• Rate Limiting & Abuse Prevention

  • Brute force attack prevention with express-rate-limit, csurf, and reCAPTCHA
  • IP filtering, rate throttling, and login attempt restrictions

• File Upload Security

  • File type validation, size limits, and storage segregation
  • Prevention of malicious file uploads and remote code execution

• Vulnerability Scanning

  • Regular audits with npm audit, OWASP ZAP, and Snyk
  • Dependency tracking and patch management

• Monitoring & Backup

  • Real-time threat monitoring with logs and alerts
  • Automated data backups and disaster recovery planning

Languages & Frameworks
JavaScript TypeScript Node.js React.js Express.js Next.js PHP HTML CSS Tailwind CSS Bootstrap

Databases & APIs
MongoDB Mongoose Firebase REST APIs GraphQL

Tools & Platforms
Git GitHub VS Code Postman Figma Vercel Netlify Heroku WordPress Chrome DevTools

Security & DevOps
JWT OAuth Helmet.js HTTPS Cloudflare SSL cPanel

• 🔧 Chrome Extension to analyze any website's traffic, SEO metrics & competition.
• 🎨 WordPress Plugin to customize site color schemes dynamically from the admin panel.
• 📡 Web & App Security Debugging and securing websites and applications to protect user data and privacy.

⭐ Feel free to explore my repos, contribute, or get in touch for collaboration opportunities. I'm always open to exciting new projects!