Backend: Laravel, PHP, Node.js, Python
Frontend: React.js, Vue.js, JavaScript, HTML5, CSS3, Tailwind CSS, Bootstrap
Database: MySQL, PostgreSQL, MongoDB, Redis
DevOps: AWS, DigitalOcean, Docker, Git, Linux, Nginx
Payments: Stripe, PayPal, 2Checkout
Real-Time: WebSockets, Pusher,
Socket.io
APIs: RESTful, JSON, XML, OAuth, JWT