React Frontend Developer

Job Title: React Frontend Developer

Location: Bellevue WA

Duration: / Term: Contract

Experience Desired: 3 Years

Job Description:

• Design build and maintain high-quality React applications using modern patterns and best practices
• Develop reusable well-typed UI components using Material UI (MUI) v5 v7
• Implement robust state management using Redux Toolkit
• Build rich interactive features including data grids charts and date pickers using MUI X Pro
• Optimize application performance through code splitting memoization and profiling
• Implement advanced routing strategies with React Router v6/v7 including nested routes and lazy loading
• Ensure accessibility best practices (WCAG ARIA keyboard navigation) are followed

Core Frontend Skills

• React 19 - Functional components hooks context and performance optimization
• TypeScript 5.x - Strong typing generics utility types discriminated unions
• Redux Toolkit - Store design slices typed hooks
• Axios - Interceptors error handling request/response transformations
• Material UI (MUI) v5 v7 - Theming customization sx prop overrides DataGrid DatePickers Charts
• React Router v6/v7 - Nested routing route guards lazy loading

Tooling & Testing

• Webpack 5 - Custom configuration loaders plugins bundle optimization
• Babel - Presets plugins polyfills tree shaking
• Jest React Testing Library - Unit and integration testing mocking coverage

Secondary / Supporting Skills

Frontend

• TipTap - Rich text editor integration and extension development
• MapLibre GL - Map rendering layers geospatial visualizations
• TanStack React Query - Caching strategies query invalidation mutations

DevOps & Engineering Practices

• Performance profiling - Webpack Bundle Analyzer React DevTools Profiler Lighthouse
• CI/CD pipelines - Gitlab CI/CD or similar

Key Skills:

React 19 TypeScript 5.x Redux Material UI