This is a modern job board web application built with React and Vite as a comprehensive learning project to master React fundamentals, component architecture, and modern frontend development practices. The application features full CRUD functionality for job listings with a beautiful, responsive interface that showcases professional web development skills.
Link to Project: http://localhost:3000 (Local Development)
Tech used: React, Vite, JavaScript, Tailwind CSS, React Router, JSON Server, React Icons, React Toastify
This application was built as a complete React-based single-page application demonstrating modern frontend development practices. The project started as a React learning exercise and was transformed into a personalized "100Jobs" platform with custom branding, professional styling, and comprehensive job management functionality.
Frontend Architecture: The application is built using React 18 with functional components and modern hooks (useState, useEffect) for state management. Navigation is handled through React Router with programmatic navigation and route protection. The component architecture follows React best practices with proper separation of concerns - reusable UI components, page-level components, and layout components.
The state management demonstrates React patterns including lifting state up, prop drilling, and local component state for form handling. All API interactions use the modern fetch() API with async/await patterns for clean, readable asynchronous code. Component lifecycle is managed through useEffect hooks for data fetching and side effects.
Styling & UI Design: The user interface was completely redesigned from the original template with a custom light blue theme and professional "100Jobs" branding. Tailwind CSS provides utility-first styling with responsive design principles, creating a mobile-first approach that scales beautifully across all devices.
The custom logo implementation uses CSS-only design with a distinctive "100" in a white rounded box paired with "Jobs" typography, eliminating the need for image assets. The color scheme uses professional blues (blue-500, blue-600, blue-800) with proper contrast ratios for accessibility.
Component Architecture:
- Layout Components: MainLayout provides consistent navigation and layout structure
- UI Components: Reusable Card, Spinner, Hero, and Navbar components
- Feature Components: JobListing, JobListings for data display and interaction
- Page Components: HomePage, JobsPage, JobPage, AddJobPage, EditJobPage for route handling
- Navigation: React Router handles client-side routing with proper URL management
Backend Simulation: JSON Server provides a full REST API simulation with CRUD operations (Create, Read, Update, Delete) for job listings. The mock database includes diverse job categories moving beyond React-specific roles to include Full Stack, DevOps, UI/UX, and Mobile Development positions. API endpoints follow RESTful conventions with proper HTTP methods and JSON responses.
Development Tools: Vite provides lightning-fast development server with Hot Module Replacement (HMR) for instant feedback during development. ESLint integration ensures code quality and React best practices. The build process optimizes for production with code splitting and asset optimization.
React Performance: Implemented proper component optimization using React best practices including key props for list rendering, conditional rendering for loading states, and efficient state updates. Used React Router for code splitting and lazy loading opportunities. Minimized re-renders through proper dependency arrays in useEffect hooks.
Build Optimization: Vite's build process automatically optimizes bundle size through tree shaking and code splitting. Tailwind CSS purges unused styles in production builds, significantly reducing CSS bundle size. Modern ES6+ features are transpiled for optimal browser compatibility while maintaining performance.
API Integration: Configured Vite proxy for seamless API communication between frontend (port 3000) and JSON Server (port 8001), eliminating CORS issues during development. API calls are properly structured with error handling and loading states for optimal user experience. Form submission includes optimistic updates with proper error rollback.
Responsive Design: Mobile-first Tailwind CSS approach ensures optimal performance on all devices. CSS Grid and Flexbox implementations provide flexible layouts without JavaScript overhead. Touch targets are properly sized for mobile interaction, and the navigation adapts seamlessly between desktop and mobile viewports.
Code Organization: Clean separation between components, pages, and layouts with logical file structure. Consistent naming conventions and component patterns throughout the application. Proper import organization and dependency management for maintainable codebase.
Authentication System: Given more time, I would implement a full authentication system with user accounts, protected routes, and personalized job applications. This would include:
- User registration and login functionality with JWT tokens
- Protected routes for job posting (employers) and application tracking (job seekers)
- User profiles with resume upload and application history
- Employer dashboards for managing posted jobs and viewing applications
- Role-based permissions for different user types (job seekers vs. employers)
Advanced Features:
- Search and filtering functionality by location, job type, salary range, and keywords
- Job application system with resume upload and cover letter functionality
- Email notifications for new job postings and application updates
- Advanced job recommendations based on user preferences and history
- Company profiles with detailed information and employee reviews
- Social features like job sharing and recommendation systems
Backend Integration:
- Replace JSON Server with a full backend using Node.js/Express and MongoDB
- Implement proper database schema with relationships between users, jobs, and applications
- Add image upload functionality for company logos and user profiles
- Implement real-time notifications using WebSocket connections
- Add comprehensive API documentation and testing suite
This would transform the application from a learning project into a production-ready job board platform with enterprise-level features and scalability.
React Fundamentals: This project provided hands-on experience with core React concepts including component composition, props vs. state, lifecycle methods through hooks, and the React development workflow. Understanding how data flows through components and when to lift state up was crucial for building maintainable applications.
Modern Development Tools: Working with Vite demonstrated the importance of modern build tools and how they improve developer experience through fast builds, HMR, and optimized production bundles. The difference between Vite and older tools like Create React App highlighted how tooling choices impact development velocity.
Component Architecture: Designing reusable components taught valuable lessons about API design, prop interfaces, and component composition patterns. Learning when to break components into smaller pieces and how to balance reusability with specificity was essential for scalable React applications.
Styling with Tailwind CSS: Using utility-first CSS demonstrated how modern CSS frameworks can accelerate development while maintaining design consistency. Understanding responsive design patterns, color schemes, and spacing systems through Tailwind's approach provided insights into scalable design systems.
API Integration: Working with JSON Server and implementing full CRUD operations taught important lessons about REST API design, asynchronous JavaScript, and error handling. Understanding how frontend state management integrates with backend data persistence was crucial for building complete applications.
React Router Navigation: Implementing client-side routing with React Router provided deep understanding of SPA navigation patterns, route parameters, programmatic navigation, and URL management. Learning how to structure routes and handle navigation state was essential for user experience.
Project Customization: Transforming an existing React project into a personalized application taught valuable lessons about codebase exploration, systematic refactoring, and maintaining functionality while implementing design changes. This mirrors real-world scenarios where existing applications need rebranding or feature modifications.
State Management Patterns: Managing application state across multiple components demonstrated various React patterns including prop drilling, lifting state up, and local vs. global state decisions. Understanding when and how to share state between components was crucial for application architecture.
In summary, this project provided comprehensive experience with modern React development including component architecture, styling systems, routing, API integration, and build tooling. The transformation from a generic React tutorial into a personalized job board application demonstrated how fundamental React skills can be applied to create unique, professional applications with custom branding and enhanced functionality.
npm installThe server will run on http://localhost:8001
npm run serverReact will run on http://localhost:3000
npm run devnpm run buildnpm run preview