Core Web Technologies: JavaScript Frameworks & Libraries: React, TypeScript Cloud: experience with AWS Performance Optimization: Code splitting, lazy loading, and React performance tools APIs & Data Handling: REST, Long Polling, WebSocket, GraphQL, caching strategies, and data-heavy API interactions UX & UI: Responsive design, design systems, and prototyping (Figma, Excalidraw) CI/CD & Developer Tooling: NX, GitHub Actions, monorepos, pipelines, and micro-frontend architectures Familiarity with Kubernetes