Senior React Frontend Developer For Charting Trading Platform

Functional components & hooks (useState, useEffect, useContext, useMemo, useCallback)

State management (local, context, third-party like Zustand, Redux)

2. JavaScript (ES6+) & TypeScript

Writing robust, type-safe code

Async/await, Promises, fetch/websockets

3. Charting Libraries

Experience with high-performance charting libs (e.g., react-financial-charts, TradingView Charting Library, Lightweight Charts, D3.js, or Plotly)

Custom indicator overlays & real-time updates

4. WebGL / Canvas

Understanding of WebGL and the Canvas API for custom rendering, overlays, and drawing tools

(Ideally: hands-on with PixiJS, Three.js, regl, or custom WebGL shaders)

Performance profiling for rendering large datasets

5. Performance Optimization

Virtualization techniques for large lists (react-window, react-virtualized)

Profiling rendering performance and minimizing unnecessary re-renders

Debouncing/throttling for UI responsiveness

6. Real-time Data & WebSockets

Handling live price feeds, push updates, and high-frequency UI refresh cycles

7. Responsive UI & UX

Flexbox, CSS Grid, styled-components, Tailwind, MUI, or similar

Designing for both desktop and mobile trading environments

8. Testing & QA

Unit testing (Jest, React Testing Library)

E2E testing (Cypress, Playwright)

Nice-to-Have

Redux Toolkit or other advanced state management

Service Workers for offline capabilities/caching

Web Workers for heavy computations off main thread

Drag & Drop, custom context menus, right-click menus

Familiarity with shadcn/ui or similar design systems

Accessibility (ARIA), keyboard navigation for trading actions

Animation frameworks (Framer Motion, GSAP) for smooth UI transitions