Md Shah Aman Patwary’s Post

React Mistakes Even Senior Developers Still Make ⚛️ React isn’t hard — scaling React apps is. After working on real-world projects, I still see these mistakes in production code: 🔹 Overusing useEffect If everything is inside useEffect, something is wrong. Many cases don’t need it at all. 🔹 Unnecessary Re-renders Not using React.memo, useMemo, or useCallback properly leads to performance issues. 🔹 Poor State Management Decisions Using global state for everything (or avoiding it completely). Balance is key. 🔹 Prop Drilling Instead of Composition Passing props through 5 levels instead of using better patterns like composition or context wisely. 🔹 Mixing Business Logic with UI Components become hard to test and maintain. Separate logic using hooks or services. 🔹 Ignoring Code Splitting Big bundle size = slow apps. Use React.lazy and dynamic imports. 🔹 Not Handling Edge Cases Loading, error states, empty data — often overlooked. 🔹 Overengineering Too Early Adding Redux/Zustand/complex architecture before it's actually needed. 💡 Senior-level React isn’t about writing more code — it’s about writing less, cleaner, and scalable code. #ReactJS #Frontend #WebDevelopment #JavaScript #CleanCode #SoftwareEngineering

🚀 React Native in 2026: Not Just Cross-Platform Anymore If you still think React Native is “just a bridge-based framework”… You’re already behind. In 2026, React Native has evolved into a high-performance, production-first mobile framework. Here’s what’s changed: The Bridge is Gone   The old async bridge is replaced by JSI (JavaScript Interface) — enabling direct communication with native code. Result: Faster execution & smoother UI New Architecture is the Standard Fabric + TurboModules are now the default. Up to 30–40% performance boost in real-world apps Near-Native Performance No more “laggy animations” complaints. 60 FPS experiences are now achievable consistently Better Developer Experience Faster builds Improved debugging tools Strong TypeScript support Faster development cycles What This Means for Developers React Native is no longer a compromise. It’s now a strategic choice for building scalable, high-performance apps. If you're a frontend developer: This is your fastest path into mobile development. My Take: The real advantage of React Native today is not just “write once, run everywhere” — It’s build fast, scale faster, and still feel native. What do you think? Is React Native your go-to for mobile in 2026? #ReactNative #MobileDevelopment #JavaScript #TechTrends #FrontendDevelopment #Developers #Programming

☀️ Good Morning, Developers! Hot take: Most React developers still don’t understand why their apps feel slow. They blame React. They blame Next.js. They blame JavaScript. But the real issue is often this: Unnecessary Re-Renders. 👇 Every state update can trigger component re-renders. When props keep changing references, functions are recreated, or global state is poorly managed — your UI starts doing extra work on every interaction. That means: ◆ Slower pages ◆ Laggy forms ◆ Poor mobile performance ◆ Bad user experience ◆ Lower conversion rates 💡 Deep Insight: Performance in React is less about “fast code” and more about render control. Developers who understand: ◆ memo() ◆ useCallback() ◆ useMemo() ◆ State colocation ◆ Component boundaries ◆ Server Components (Next.js) …build apps that feel premium. The best React developer is not the one who writes more components. It’s the one who prevents unnecessary renders. Think deeper today. 🚀 #ReactJS #NextJS #FrontendDevelopment #JavaScript #WebPerformance #SoftwareEngineering #Programming #WebDevelopment #Tech #Coding

We often hear that React is the "king" of frontend development 👑 But here's a better question: why did React become so dominant in the first place? Many developers use React every day… Yet not everyone takes the time to understand the core problem it was built to solve. •The Problem (Before React): Earlier web apps struggled with efficiency. Even a small UI change often triggered a full page reload or heavy DOM manipulation. Result? Slower applications Poor user experience Hard to maintain code Imagine updating just a "like" button and refreshing the entire page for it. Not ideal. • What React Changed: React introduced a smarter way to handle UI updates. Instead of reloading everything, it updates only what actually changes. • How it works: A Virtual DOM acts as a lightweight copy of the real DOM. React compares changes efficiently. Only the necessary parts of the UI get updated. •The Impact: Faster and more responsive apps Cleaner, component based architecture Predictable data flow and easier debugging React didn't rise because of hype. It grew because it solved a real problem with a practical, scalable approach. If you're learning frontend, don't just focus on how to use tools. Focus on why they exist that is what separates a developer from a framework user. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering #CodingJourney #Developers #Tech

Most React developers are writing useEffect wrong. Not because they don't understand it. Because they think they do. After 3 years of building React apps here's what I've learned the hard way: ❌ You don't need useEffect to derive state. ❌ You don't need useEffect to sync two pieces of state. ❌ You definitely don't need useEffect to handle a user event. useEffect is for syncing React with something OUTSIDE React. That's it. That's the rule. When I first started, I put everything in useEffect. Fetch calls. Transformations. Even click handler logic. The bugs were subtle. The re-renders were endless. And the codebase became a nightmare to debug. The fix? Think before you reach for it. Ask yourself: "Am I escaping React, or am I fighting it?" If you're fighting it — useMemo, useCallback, or plain derived variables will serve you better. React is not hard. But undisciplined useEffect usage will make it feel that way. Drop a 🔁 if you've fallen into this trap before. And follow for more no-fluff React breakdowns 👇 #ReactJS #FrontendDevelopment #JavaScript #WebDev #ReactHooks #SoftwareEngineering

New Features in React 19 React keeps evolving — and with every new version, it makes building modern applications smoother and more powerful. In today’s post, I’ve shared the key features introduced in React 19, focusing on what actually matters for developers in real-world projects. From improvements in handling async operations to better performance and developer experience, these updates aim to simplify how we build and manage UI. I’ve broken things down in a simple way so you can quickly understand what’s new and how it impacts your day-to-day development. If you’re working with React or planning to upgrade, knowing these features will help you stay ahead and write more efficient code. 👇 Which React 19 feature are you most excited to try? #learningoftheday #FrontendDevelopment #WebDevelopment #JavaScript #React #CodingCommunity #ReactJS

⚛️ React works with ⚡ Vite in a modern frontend setup. Earlier, I thought building React apps always required heavy bundling and slow refresh. But Vite changes that completely by using native ES modules. Instead of bundling everything at the start, Vite loads only what is needed — making development much faster and smoother. What I understood from this architecture: • ⚡ Instant dev server startup (no waiting time) • 🔁 Hot Module Replacement (see changes instantly without reload) • 🧩 Clear flow: index.html → main.jsx → App.jsx → components • 🧠 Easy-to-manage component-based structure • 📦 Optimized production build with better performance For beginners, this kind of setup reduces confusion and improves learning speed. For developers, it improves productivity and code quality. Understanding tools like Vite is not just about speed — it’s about writing better, scalable frontend applications. 🚀 #React #Vite #FrontendDevelopment #Learning #WebDevelopment #JavaScript

𝐁𝐢𝐠𝐠𝐞𝐬𝐭 𝐑𝐞𝐚𝐜𝐭 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐌𝐢𝐬𝐭𝐚𝐤𝐞𝐬 𝐈 𝐌𝐚𝐝𝐞 🚨 When I started working with React, my apps worked… but they were slow 😓 Here are some mistakes I made (and learned from) 👇 ❌ Re-rendering everything unnecessarily I didn’t understand how React re-renders work ✔ Fix: Used React.memo and better component structure ❌ Using useMemo/useCallback everywhere Thought more optimization = better performance ✔ Fix: Used them only where needed ❌ Keeping state at top level One state change → entire app re-render ✔ Fix: Moved state closer to where it’s used ❌ Using index as key in lists Worked fine… until bugs appeared ✔ Fix: Used unique and stable keys ❌ Ignoring large component size Big components = harder to optimize ✔ Fix: Broke them into smaller reusable components ❌ Not measuring performance I was guessing instead of checking ✔ Fix: Used React Profiler and DevTools 💡 Biggest learning Performance issues are not about React being slow They are about how we use React Tip for developers ⚠️ Don’t try to optimize everything Understand the problem first Good developers make things work. Great developers make them fast. 🚀 #ReactJS #FrontendDeveloper #WebDevelopment #JavaScript #Performance #ReactOptimization #SoftwareDeveloper #CodingLife

React is still one of the best choices for frontend development, and one of the biggest reasons is its component based approach. By breaking the UI into small, reusable components, developers can write cleaner code, manage projects more easily, and scale applications with confidence. React does not only help you build interfaces, it also helps you think in a more structured and efficient way. Another major strength of React is its powerful ecosystem. Whether it is routing, state management, or performance optimization, there is strong community support and reliable tools for almost every need. That is why React continues to be a smart choice for developers who want to grow in frontend development. In your opinion, what is the most useful feature of React? #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareDevelopment #Coding

🚀 Just discovered a powerful new way to build React apps faster If you’re working with React, you should definitely check out my cli👇 🔗 https://lnkd.in/gaN__8qP 💡 react-client is a next-generation CLI + runtime designed to improve how we build React apps focusing on: ⚡ Instant feedback loops ⚡ Faster development iteration ⚡ Clean developer experience Instead of spending time on heavy configs and slow rebuilds, this approach helps you stay in flow and ship faster. In a world where frontend velocity matters, tools like this can redefine developer productivity. 👨💻 Curious to hear: Would you try this over Vite / Next.js? JavaScript Mastery #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #DevTools #React #OpenSource #DeveloperExperience