The Complete React 19 Developer Course (incl. Next.js 16)

Build Stunning, Real-World Web Applications using React 19, Next.js 16. Learn React TanStack, Redux Toolkit, and more!
What you'll learn
Set up modern React 19 projects using Vite, including best folder structure practices.
Build user interfaces with JSX, props, conditional rendering, and dynamic lists.
Understand how the Virtual DOM, rendering, and reconciliation work in React.
Master state management using useState, useReducer, Context API, Redux Toolkit, and Zustand.
Handle user events, state updates, form interactions, and event propagation properly.
Build reusable, maintainable, production-ready React components.
Use React's advanced hooks: useEffect, useMemo, useCallback, useRef, and custom hooks.
Learn when and how to optimize React performance using memoization and virtualization.
Understand React's rendering cycle: trigger, re-render, batching, commit phase.
Build interactive features such as drag and drop, timers, shopping carts, search filters, and animations.
Manage CRUD operations and data persistence using localStorage and APIs.
Consume REST APIs and handle loading, success, and error states with React Query.
Design scalable React architecture like senior developers do, using clean file and component structure.
Build full-stack applications using Next.js 16 with SSR, SSG, ISR, and streaming.
Understand the difference between Client Components and Server Components in Next.js.
Use Next.js Server Actions for mutation, form handling, and data validation.
Implement authentication: Email/password, Google login, GitHub login, JWT, and protected routes.
Build real-time applications using Next.js 16 Server-Sent Events (SSE).
Integrate React apps with Supabase databases, including data fetching, insertion, and real-time updates.
Build modern fullstack features: messaging, pagination, optimistic updates, and notifications.
Implement form validation using React Hook Form and Yup/Zod.
Build professional-level UI features like dark mode, theme persistence, and admin dashboards.
Use React Router 7 for nested routes, layouts, dynamic params, and programmatic navigation.
Write clean, testable React code using React Testing Library and Jest.
Understand debugging, breakpoints, profiling, and browser developer tools for React apps.
Deploy React and Next.js applications to production environments.
Build a strong portfolio with 9 real-world React 19 and Next.js 16 projects.
Gain the skills to confidently apply for front-end or full-stack React developer roles.
Follow modern React best practices using React 19, Next.js 16, and the latest ecosystem tools.
Learn when to use Context, when to use Redux Toolkit or Zustand, and when to keep state local.
Build both UI-only and full-stack applications, including authentication and database access.
Understand server-side rendering, static generation, and revalidation in Next.js.
Handle routes protection using Next.js middleware and server-side auth checks.
Use Zod for secure and type-safe form validation and input sanitization.
Learn Error Boundaries and Suspense for safer and more resilient React applications.
Build real-time chat applications with live messaging and optimistic UI updates.
Manage images, files, and dynamic user content in Next.js applications.
Apply advanced component design patterns: render props, compound components, controlled props, state reducer pattern, and more.
Requirements
Beginner-Friendly
No Prior React Knowledge Needed
You don't need prior React experience to get started. If you understand basic JavaScript, you'll be able to follow this course from the ground up and grow into an advanced React developer.
Description
This course contains the use of artificial intelligence.The Complete React 19 & Next.js 16 Bootcamp - From Zero to Fullstack DeveloperMaster React 19, Next.js 16, React Router 7, Redux Toolkit, React Query, Zustand, Supabase, Authentication, Performance Optimization, Drag & Drop, Dark Mode, Real-Time Features, Testing, and More - by building real professional projects step by step.Why this course is different?React has become the most in-demand front-end library in the world. Now, with React 19 and Next.js 16, React has reached a new level, combining frontend, backend, real-time communication, database integration, server actions, authentication, and streaming into one powerful fullstack framework.Most courses still present a number of challenges:They teach outdated versions of React.They focus on theory without real projects.They show basic to-do apps that do not help you get hired.They do not teach how things actually work under the hood.They never cover React 19 features, React Router 7, or modern Next.js 16 full-stack features.This course is different. You will not just "learn React 19," you will master it completely using a project-based approach, covering both frontend and fullstack React development. This includes:Modern Next.js 16 featuresAuthentication and databasesServer components and streamingError boundariesReal-time chatSecure form handlingYou will build professional-grade applications, including a real estate app, a portfolio website, a Trello-like Kanban board, a driving test app, a weather app, a card flip game, a full-stack story collection platform, and a real-time chat app with authentication. By the end, you will be ready for real-world jobs, freelance projects, or launching your own SaaS startup.The Learning Approach:Throughout the course, you will learn not just the "how," but the "why" - you will understand how React actually works:Re-render cycles, batching, and component purityVirtual DOM and reconciliationCommit phases and state updatesWhy React 19 is faster and smarterWhy certain patterns prevent bugs and boost performanceWhen to use useEffect, useRef, Context, or Reducer - and when NOT to use themHow to structure scalable React apps like senior developers doWhat You Will Learn (and Actually Build):1. Fundamentals of React 19 & JSX - Build a Strong FoundationSetup React 19 with Vite (modern, fast development environment)JSX deep dive - writing UI with JavaScript and HTML combinedPassing props, handling events, and writing conditional logicRendering lists with the key prop - mistakes to avoidStyling React apps - CSS Modules, Tailwind, and inline stylesUnderstanding pure components and writing bug-free React logicVisualizing your UI as a Tree - the React mental modelProject 1: Cambridge Rentals (Real Estate Application)A professional UI-based application to display property listings using components.You will build: Header, Footer, Property Cards, Property attributes, badges, icons, Clean component architecture, and File structure like real production apps.This project teaches: Component composition, props, reusable components, and JSX best practices.2. Adding Interactivity - Making React Apps Truly DynamicHandling clicks, input events, and form eventsUnderstanding event bubbling and stopping propagationUpdating arrays and objects in stateReact state batching - how React updates multiple state changes efficientlyVirtual DOM → Trigger → Re-render → Commit → UI UpdateMini Project: Shopping Cart with Add/Remove LogicProject 2: To-Do List Manager (LocalStorage + CRUD)Add, edit, delete tasks, toggle completionPersist data with localStorageCreate modular components and separation of concernsThis project builds your confidence working with CRUD operations, persistence, and component breakdown.3. Deep Dive into useReducer - Managing Complex StateWhen to use useReducer instead of useStateReducer logic, dispatching actions, and payloadsAvoiding state mutation and designing pure reducer functionsBest practices, debugging, and patternsProject 3: UK Driving Test App - Built with useReducerQuestion navigation, Progress trackingScore calculation, Result view, Clean state managementThis project simulates real-world testing systems, using reducers to manage multi-step workflows.4. React Context - Global State Without Prop DrillingWhen to use context vs. when NOT to use itCreating context providers and consumersCombining Context + Reducer (Redux-like logic)Project 4: Portfolio Website with Dark/Light Mode (Context)Theme persistence, Scroll-based navigationResponsive UI, Testimonials, project filtering, animated designPerfect for your personal portfolio website or freelance clients.5. Understanding useRef - Controlling the DOM ResponsiblyWhen to use refs (and when NOT to)Building timers, Accessing DOM nodes, Focusing inputsStoring mutable values without re-renderingProject 5: Card Flip Matching Game (useRef)Fisher-Yates shuffle algorithmuseRef to manage flipping logicSound effects and animations, Confetti on winGame reset functionalityThis builds your understanding of DOM manipulation, refs, and game logic in React.Project 6: Weather App - useEffect + APIsLive weather API using Open-MeteoFetch, transform, and display dataReusable presentational componentsuseEffect dependencies and cleanupLearn how to properly manage API calls and data rendering.Project 7: Story Collection App (React Router + Context + Supabase)Multi-language support, Supabase integrationReact Router 7 with nested layoutsData fetching, display, custom scrollbars, paginationYou will understand how to build full-stack apps with React and Supabase.Project 8: Kanban Board (Drag & Drop like Trello)Drag & drop using HTML5 DnD APIZustand for global stateEditable columns and tasksDark mode, custom scrollbars, Persist to localStorageThis project teaches UX, state design, and real product building.6. Custom Hooks, Advanced Patterns, and PerformanceCustom Hooks: Learn to create your own hooks in React 19.Advanced React Patterns: Build Enterprise-Level Components using Render Props Pattern, Compound Components, State Reducer Pattern, Controlled vs. Uncontrolled, HOCs (Higher Order Components), Function as Child Pattern, and Context Module Functions.Performance Optimization: Make React FAST with React.memo, useCallback, useMemo, Virtualization, Profiler, and Lazy Loading & Suspense.7. Routing, Forms, and State ManagementRouting with React Router 7 (React 19-ready): File and layout-based routing, Dynamic params and query strings, Authentication routes, Code-splitting and lazy loading, Nested routes, and Error handling.Forms & Advanced Validation: Controlled & uncontrolled inputs, React Hook Form, Schema validation with Yup, Custom input components, and Handling errors and dynamic fields.Data Fetching & State Management (Modern stack): React Query (TanStack Query) for caching, refetching, and mutation; Zustand for lightweight global state; Redux Toolkit; Error boundaries; and Suspense for async UI.8. Testing React Apps (React Testing Library)Unit tests, Integration tests, Snapshot testingTesting async data fetchingTesting forms and user interactionsHandling loading and error statesBy the end, testing will feel simple and natural.9. Fullstack React with Next.js 16 - The Future of React DevelopmentLearn how to turn React 19 into a complete fullstack framework using Next.js 16. You will master:File-based Routing & Nested LayoutsSSR vs. SSG vs. ISR vs. StreamingServer ActionsClient vs. Server ComponentsBuilt-in API routesReal-time messaging (SSE, WebSockets)Authentication (Email, Google, GitHub) and Protected routes (User/Admin roles)Database integration and queryingPagination, optimistic UI updates, and Middleware securityFinal Project 9: Fullstack Real-Time Chat with Next.js 16 Server-sent Events (SSE)Real-time chat roomsAuthentication + Authorization (JWT + OAuth), Role-based access (Admin/User)Zod validation, Live message broadcastingOptimistic delete/edit updatesError boundaries and SuspenseThis project gives you production-level fullstack experience.Key Outcomes:By the end of this course, you will be able to:Build modern, beautiful, production-ready React & Next.js apps.Understand React at a deep, professional level.Master React 19, hooks, reducers, context, performance, and patterns.Build full-stack Next.js applications with authentication and databases.Design scalable architectures used in real jobs and companies.Manage global state using Redux Toolkit, Zustand, and React Query.Write tests confidently using React Testing Library.Build real-time apps with WebSockets and SSE.Create a strong portfolio of 8+ real projects to showcase to employers.Apply for React developer jobs, freelancing, or start your own SaaS product.Who is this course for?Complete beginners looking to become React developersReact developers wanting to master Redux, Context, Performance, and TestingJavaScript developers ready to move into frontend or fullstackDevelopers preparing for React job interviews or freelancingAnyone wanting to build powerful, real-world applications with ReactNo experience? No problem. This course starts from the basics and gradually builds your knowledge - all through fun, real-world projects.Note: This course uses Codepion technology, which includes AI-powered voiceover and speed typing, helping students learn concepts up to 5x faster through clear explanations and rapid, real-time coding demonstrations. Unlike traditional courses, you won't have to wait for slow typing or watch instructors struggle with long code - learning is fast, smooth, and mistake-free.Watch the video previews and see the difference for yourself.
Who this course is for
Beginners who want to learn React step-by-step
Developers transitioning from JavaScript to modern React
Students preparing for frontend developer interviews
Anyone aiming to build real-world web applications with React 19 and Next.js 16
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