UI Frameworks
React, Angular (or equivalent modern frameworks)
Strong understanding of component-based architecture
Managing complex application state effectively (State Management)
UI libraries
Ant Design, Material UI (MUI), Bootstrap, Tailwind CSS
Charting & Data Visualization
D3.js, Highcharts, Chart.js, Recharts
Ability to build interactive and performant dashboards
Microfrontends Architecture
Solid proficiency in HTML5, CSS3, and modern JavaScript (ES6+), Typescript
Deep understanding of DOM, browser rendering, and performance optimization
Web security basics (XSS, CSRF prevention)
Cross-browser compatibility and responsive design