Web Development
HTML5
Semantic markup, accessibility
CSS3
Responsive design, animations
JavaScript
ES6+, DOM manipulation
React
Hooks, Context API
Backend Development
Node.js
Express, REST APIs
MongoDB
Mongoose, CRUD operations
PostgreSQL
SQL queries, relationships
Python
Django, Flask
UI/UX Design
Tailwind CSS
Utility-first framework
Sass
Variables, mixins
Figma
Wireframing, prototyping
Responsive Design
Mobile-first approach