Amandeep Sharma’s Post

last week I spent time understanding some core React concepts, and things are starting to click. I worked through: • Props and default props • Nested components • Class components • this.props • Higher-Order Components At first, props felt simple, but learning how data flows between components made me realize how powerful React’s structure really is. Breaking UI into smaller reusable pieces is changing the way I think about building applications. Every concept makes the bigger picture clearer. Frontend in progress. Full-stack in view. 🚀 #React #FrontendDevelopment #WebDevelopment #LearningInPublic

REACT!_This just made years of muscle memory obsolete! 🦾 useMemo _ useCallback _ React.memo! We spent so long learning when to use them, debating whether they were actually helping, and sometimes making performance worse in the process. The React Compiler just handles it for you now — automatically, at build time. Write clean, simple components. No manual optimisation. The compiler figures out the rest. And honestly? It's a bigger mental shift than it sounds. For years, performance awareness was baked into how you wrote components. Now you write for clarity first, and the tooling catches up behind you. Frontend keeps doing this — taking something painful and making it invisible. 👻 First it was manual DOM manipulation. Then complex build configs. Now memoization. The developers who thrive through these shifts aren't the ones who memorised every API. They're the ones who understood why those patterns existed — so when the tooling evolves, their thinking evolves with it. Keeping up with frontend isn't about chasing every new release. It's about staying curious enough to understand what problems they're actually solving. 🎯 What's something in frontend you're glad you no longer have to do manually? #React #Frontend #WebDevelopment

⚡ 5 Common Mistakes That Slow Down Frontend Applications While working on different frontend projects, I’ve noticed that many performance issues are not caused by the framework itself, but by how we implement things. Here are a few common mistakes developers often make: 1️⃣ Unnecessary Re-renders Components re-render more than needed when state or props change frequently. Using tools like React.memo, useMemo, or proper state structure can help reduce this. 2️⃣ Too Many API Calls Calling APIs repeatedly without caching or proper control can slow down the app. Using techniques like: • request debouncing • caching • proper state management can significantly improve performance. 3️⃣ Large Bundle Size Including large libraries or unused code increases bundle size and slows down page load. Using: • code splitting • lazy loading • tree shaking can help keep bundles smaller. 4️⃣ Unoptimized Images Large images can drastically affect loading speed. Always try to: • compress images • use modern formats like WebP • implement lazy loading 5️⃣ Poor State Management When the state is not structured properly, it can cause unnecessary updates across the application. Using a proper store architecture like Redux, Zustand, or Pinia can make state flow more predictable and efficient. 💡 Performance optimization is not only about writing code that works — it's about writing code that scales and performs well. Curious to hear from other developers: What frontend performance mistake have you encountered most often? #frontenddevelopment #webperformance #reactjs #vuejs #javascript

For someone starting in frontend today, the hardest question is rarely "𝗵𝗼𝘄 𝘁𝗼 𝗰𝗼𝗱𝗲." It's usually : 𝙒𝙝𝙖𝙩 𝙨𝙝𝙤𝙪𝙡𝙙 𝙄 𝙡𝙚𝙖𝙧𝙣 𝙛𝙞𝙧𝙨𝙩? 𝗔𝗻𝗴𝘂𝗹𝗮𝗿? Or 𝗥𝗲𝗮𝗰𝘁? Maybe 𝗩𝘂𝗲.𝗷𝘀? Or newer tools like 𝗦𝘃𝗲𝗹𝘁𝗲? Most developers entering frontend go through this phase, constantly wondering if they're learning the right tool. The ecosystem moves fast and every few months something new appears. While building real applications, I realised something that's rarely said in these debates like : • 𝗱𝗲𝘀𝗶𝗴𝗻𝗶𝗻𝗴 𝗿𝗲𝘂𝘀𝗮𝗯𝗹𝗲 𝗰𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 • 𝗺𝗮𝗻𝗮𝗴𝗶𝗻𝗴 𝘀𝘁𝗮𝘁𝗲 𝗮𝗰𝗿𝗼𝘀𝘀 𝘁𝗵𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 • 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗶𝗻𝗴 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗳𝗼𝗿 𝘀𝗰𝗮𝗹𝗲 • 𝘄𝗿𝗶𝘁𝗶𝗻𝗴 𝗰𝗼𝗱𝗲 𝘁𝗵𝗮𝘁 𝘁𝗲𝗮𝗺𝘀 𝗰𝗮𝗻 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻 𝗼𝘃𝗲𝗿 𝘁𝗶𝗺𝗲 Frameworks like 𝗔𝗻𝗴𝘂𝗹𝗮𝗿 and 𝗥𝗲𝗮𝗰𝘁 just approach these problems differently. -->Angular comes with many things already built into the framework like routing, state patterns, project structure. So teams can focus more on building features rather than deciding how everything should be organized. --> React focuses mainly on the UI layer. Other things like routing and state management are usually added using separate libraries, giving developers flexibility in how they organise the project. After a few years in the industry, one thing feels clear : 𝗰𝗵𝗼𝗼𝘀𝗶𝗻𝗴 𝗮 𝗳𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 𝗶𝘀 𝗲𝗮𝘀𝗶𝗲𝗿 𝘁𝗵𝗮𝗻 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻𝗶𝗻𝗴 𝗮 𝗳𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗰𝗼𝗱𝗲𝗯𝗮𝘀𝗲 𝗳𝗼𝗿 𝘆𝗲𝗮𝗿𝘀. Curious to hear from others, what's something about frontend development you only understood after working on real projects? 👀 #frontend #webdevelopment #angular #reactjs

Most React applications don’t fail because of bad code; they fail because of bad architecture. Many frontend codebases looked clean, but collapsed the moment the product started scaling. Because no architectural vision. No long-term structure. No ownership. Here’s what modern frontend architecture in 2026 actually requires: ✅ Scalable folder & domain structure ✅ Clear state management boundaries (server vs client state) ✅ API abstraction layers (never call APIs directly inside components) ✅ Micro-frontend readiness (for enterprise teams) ✅ Performance-first mindset (code splitting, lazy loading, SSR where needed) ✅ Strong CI/CD & automated testing integration As a Frontend Lead, my role isn’t just writing React code. It’s designing systems that: Survive team growth Reduce technical debt Allow parallel feature development Stay maintainable 2–3 years later Architecture is not about complexity. It’s about clarity at scale. 🚀 The trends are moving toward: Feature-based architecture Backend-for-Frontend (BFF) patterns React + TypeScript strict setups Server components & hybrid rendering Design-system driven development Observability in frontend apps What’s your biggest architectural challenge right now? #FrontendArchitecture #ReactJS #JavaScript #SoftwareEngineering #TechLeadership #WebDevelopment #ScalableSystems #CleanCode #MicroFrontend

💡 A Small Frontend Lesson That Saved Me Hours of Debugging One thing I learned while building React applications: 👉 Always keep your components small and reusable. Earlier in my projects, I used to write large components that handled everything: • UI • API calls • State management • Business logic The problem? ❌ Hard to debug ❌ Hard to reuse ❌ Hard to maintain Now I try to follow a simple rule: One component → One responsibility Example: Instead of one big component like this: "DashboardComponent" I split it into smaller ones: • "UserCard" • "StatsCard" • "ActivityList" • "DashboardHeader" Why this helps: ✅ Code becomes easier to understand ✅ Components become reusable ✅ Debugging becomes faster ✅ Collaboration becomes easier Frontend development is not just about making things work — it's about making them maintainable and scalable. What is one frontend practice you always follow when building UI? 🤔 #FrontendDevelopment #ReactJS #NextJS #WebDevelopment #SoftwareEngineering #FullStackDeveloper

Are you building “Components” or just “Folders of Code”? 🧩 The biggest mistake in React development is over-engineering. In the pursuit of making everything “reusable,” we often create components so complex that they become impossible to maintain. In 2026, Senior React Engineers don’t just write code — they design scalable systems. The "Prop Drilling" vs. "Composition" Debate 🛡️ If you are passing 10–15 props down a component tree, you’ve likely fallen into the trap of Prop Drilling. This makes your code fragile and hard to track. So, what’s the better way? • Component Composition Instead of creating “God Components” that do everything, mix and match smaller, specialized components. • Custom Hooks Abstract your business logic away from the UI. Keep your UI components focused purely on the view layer. • Compound Components Design elements like Selects or Modals that allow developers to rearrange internal parts without breaking the logic. Why Clients & Business Owners Value This Approach 💼 Architecture isn't just a “dev thing” — it's a business asset. • Faster Feature Rollouts When code is modular, adding new features becomes much faster because you aren't fighting your own codebase. • Fewer Regression Bugs Changing one part of the app shouldn't break another. Clean architecture saves client money and developer time. • Future-Proofing When client requirements pivot (and they always do), modular code lets you adapt quickly without a total rewrite. 3 Golden Rules for React in 2026 💡 • Keep it Simple If a component exceeds 200 lines, it’s time to split it. • TypeScript is Mandatory Use TSX to eliminate runtime errors before they happen. • Performance is a Feature Use useMemo and useCallback strategically — not everywhere, but where they actually move the needle. The Verdict 📈 React is more than a library — it’s a mindset. The more you focus on architecture instead of just “getting it to work,” the higher the quality of your products (and your professional value). 💬 What’s your go-to for state management these days? Are you sticking with Redux Toolkit, moving to Zustand, or keeping it lean with the Context API? 👇 Let’s hear your thoughts in the comments. #ReactJS #WebArchitecture #CleanCode #MERNStack #FrontendEngineering #SoftwareDesign #TechTrends2026 #Javascript #WebDevelopment

A counterintuitive lesson I learned while working with Next.js: Two applications can use the same framework, the same codebase structure, and still have completely different hosting requirements. What determines compatibility is not “Next.js itself” — but which rendering features your application actually uses. A statically exported project behaves like a traditional frontend. An SSR-enabled project behaves like a server application. From the outside, both look identical. From an infrastructure perspective, they are not even the same category of software. This distinction became very real in a recent delivery. The original implementation relied on server-dependent behavior, while the available hosting environment supported only static assets. With delivery deadlines in play and no room for platform changes, the solution was not debugging — it was architectural adaptation. The frontend was restructured into a purely static React application aligned with the operational constraints. Not because Next.js failed. Not because React was “simpler”. But because engineering is ultimately the art of building systems that can exist within real-world boundaries. Framework choice does not eliminate infrastructure reality. Have you ever seen two “similar” applications demand radically different deployment strategies? #SoftwareEngineering #NextJS #React #SystemDesign #WebArchitecture #TechReality

Modernizing frontend systems is harder than it looks. A lot of teams try to upgrade their UI by simply rewriting components, but the real challenge is designing a scalable architecture that won’t become legacy again in a few years. Lately I’ve been spending time improving how I structure React applications to make them easier to maintain and scale as products grow. Some areas I’ve been focusing on: • Building component-driven UI systems with React & TypeScript • Designing clean API integrations and data-fetching patterns • Writing unit and React tests (Jest / React Testing Library) to keep large codebases stable • Structuring front-end projects so multiple engineers can work efficiently in the same codebase The more I work with modern frontend stacks, the more I realize how important clean architecture and maintainable UI systems are for scaling products and teams. I’m always interested in learning how other engineers approach this. What’s one thing you prioritize when modernizing a frontend system? #ReactJS #FrontendDevelopment #SoftwareEngineering #JavaScript #WebDevelopment