Amritpal Singh’s Post

Ever felt like your app UI is falling apart like a broken puzzle? 🧩 You start with a clean idea… but as the project grows, things begin to scatter, components stop aligning, state becomes unpredictable, APIs don’t behave as expected, and suddenly your app feels harder to control than to build. This is a very common stage in modern development, especially when working with React, React Native, Node.js, and JavaScript/TypeScript ecosystems. The problem isn’t your skills, it’s usually the lack of structure early on. ⚠️ Common Mistakes Developers Make • Writing logic without proper type safety (pure JavaScript chaos) • Poor state management (props drilling, scattered state) • No clear API contracts (backend & frontend mismatch) • Building components without reusability in mind • Ignoring scalability in early stages • Mixing business logic directly inside UI components • Lack of folder structure and architecture planning 💡 What You Should Do Instead • Introduce TypeScript for strong typing and predictable behavior • Use structured state management (Context API, Redux, React Query, etc.) • Define clear API schemas between frontend and backend • Build modular, reusable components • Separate concerns (UI, logic, services) • Follow a clean and scalable folder structure • Write code that is easy to debug, test, and extend The truth is: Great applications are not built by writing more code — They are built by writing organized, predictable, and scalable code. That messy “puzzle stage” you see in the image? Every developer goes through it. The difference is that some stay stuck there, while others bring structure and turn chaos into clean systems. Which one are you?🔥 #codescrapper #SoftwareDevelopment #ReactJS #ReactNative #NodeJS #TypeScript #CleanCode #WebDevelopment #AppDevelopment

In today’s fast-moving digital world, building fast, scalable, and user-friendly applications is no longer optional — it’s expected. This is where React.js truly stands out. React is not just a JavaScript library; it’s a powerful way of thinking about building user interfaces. What makes React different? First, its component-based architecture allows developers to break complex UIs into small, reusable pieces. This not only improves code readability but also speeds up development and maintenance. Second, the virtual DOM plays a crucial role in performance optimization. Instead of updating the entire page, React intelligently updates only the parts that change, making applications faster and more efficient. Third, React’s ecosystem is incredibly strong. From state management tools to frameworks like Next.js, it provides everything needed to build modern, production-ready applications. Another reason React is widely adopted is its flexibility. Whether you’re building a small project or a large-scale enterprise application, React scales with your needs. But what truly makes React powerful is its developer experience. With strong community support, continuous updates, and vast learning resources, it enables developers to grow and innovate rapidly. In my journey as a frontend developer, React has helped me think more structurally, write cleaner code, and build better user experiences. If you are serious about modern web development, learning React is not just an option — it’s a necessity. What are your thoughts on React.js? Do you think it will continue to dominate frontend development? #ReactJS #WebDevelopment #FrontendDevelopment #JavaScript #Programming #SoftwareDevelopment

Most #teams say: “The API is slow.” But many times, the real issue is the frontend. That is one of the most important skills in modern development: knowing where the bottleneck actually is. Here is the simple way I think about it for React.js, Next.js, and React Native: 1. If the API response is fast, but the screen still feels slow — it is probably frontend. If your network call finishes quickly and users still feel lag while opening screens, typing, scrolling, or switching tabs, the issue is usually re-renders, heavy components, bad state flow, or too much work on the client. 2. If the UI freezes during interaction — check rendering first. For React, the Profiler in React Developer Tools is built for this. React also documents programmatic profiling with <Profiler> and performance tracks for deeper investigation. React Native’s DevTools integrate React DevTools, and the official RN profiling guide points to using native profilers like Instruments and Android Studio Profiler. (React) 3. If the wait happens before data arrives — it is probably API or server. If the page stays in loading state because the request itself is taking too long, then the bottleneck is more likely the backend, database, network, or server-side work. 4. In Next.js, compare web vitals and network timing before guessing. Next.js officially supports measuring performance through useReportWebVitals, and its analytics guidance also points to client instrumentation for deeper monitoring. That makes it easier to separate slow server response from slow client rendering or hydration issues. (Next.js) 5. For React Native, smoothness matters as much as response time. React Native’s official performance guidance emphasizes smooth UI and profiling, because an app can have a “fast API” and still feel slow if frames drop, JS work is heavy, or screen transitions are not smooth. (React Native) My rule is simple: Fast API + slow interaction = frontend problem Slow API + normal rendering = backend problem Both are slow = measure both, do not guess The best developers do not just fix slowness. They first identify where the slowness actually lives. That is how better debugging starts. #FrontendDevelopment #ReactJS #NextJS #ReactNative #WebPerformance #APIPerformance #DeveloperMindset

🟢 The "Hard Truth" About React Native Performance Most React Native performance issues are self-inflicted. It’s rarely the framework's fault. It’s usually how we’re using it. If your app feels sluggish, it’s likely not a limitation of the bridge or the architecture—it’s a result of these three common pitfalls: 1. The "Re-render" Loop We often forget that every state update triggers a render. If you aren't using React.memo, useMemo, or useCallback strategically, you’re forcing the engine to do 10x the work it needs to. 2. Bloated State Management Storing every minor UI toggle in a global store (like Redux or Zustand) is overkill. Global updates for local problems lead to massive, unnecessary component tree re-evaluations. Keep state as close to the component as possible. 3. The "Library for Everything" Trap Need a simple checkbox? Install a library. Need a basic animation? Install a library. Every dependency adds weight to the JS bundle and complexity to the shadow tree. High-performance apps are built by mastering the primitives, not by stacking npm packages. LEARNING OF THE POST: 🔴 Efficiency > Quantity: Optimization starts by reducing what React has to track, not adding more tools. 🔴 Keep it Local: Global state is for global data; component state is for component logic. 🔴 Own your code: Dependencies should be a last resort, not a first step. ""The Senior Mindset: Stop looking for a "magic fix" in the next React Native version. Start profiling your own code. Performance isn't a feature you add at the end; it’s a discipline you maintain during development."" What’s the most common "self-inflicted" performance bottleneck you’ve seen lately? 👇 #ReactNative #MobileDevelopment #SoftwareEngineering #Coding #Performance #Javascript

🚀 React Native Hooks Every Developer Should Know (Ranked by Usage) If you're working with React Native in 2026, Hooks are not optional anymore — they are the foundation. But here’s the truth - Not all hooks are used equally in real projects. Let’s break them down from most used → least used 1. useState: The backbone of every component. Manages local state (forms, toggles, UI updates) 2. useEffect: Handles side effects. API calls, lifecycle, subscriptions 3. useContext: Eliminates prop drilling. Access global state (theme, auth, user) 4. useRef: Hidden gem for performance. Store values without re-render, access inputs 5. useCallback: Optimizes functions. Prevents unnecessary re-renders in child components 6. useMemo: Optimizes calculations. Avoids expensive recomputation 7. useReducer: For complex state logic. Cleaner alternative to useState in large components 8. useLayoutEffect: Runs before UI paint. Fix UI flickering & measure layout 9. Custom Hooks (Most Powerful)     Reusable logic across components     Real-world apps depend heavily on this 10. useTransition: Improves UX. Handles non-urgent updates smoothly 11. useDeferredValue: Optimizes rendering. Useful for search & filtering 12. useId: Generates unique IDs. Useful in accessibility & forms 13. useImperativeHandle: Advanced ref control. Used in reusable component libraries 14. useSyncExternalStore: For external state libraries. Rare, but important for Redux-like integrations 15. useDebugValue: For debugging custom hooks. Mostly used in libraries My Take: 80% of your work will revolve around - useState + useEffect + useContext + useRef Master these first. The rest?       Use them when performance or scale demands it. Which hook do you use the most in your projects? #ReactNative #ReactJS #JavaScript #MobileDevelopment #Frontend #Programming #Developers #TechTips

🚀 Stop Shipping Slow React Native Apps Most developers blame the framework. But here’s the truth: **React Native is fast — your implementation decides the experience.** At **SKN Software Labs**, we’ve audited multiple apps and found the same performance killers again and again 👇 ⚠️ Common Mistakes • Unnecessary re-renders → No memoization strategy • Chaotic state → Poor architecture decisions • Bloated screens → Everything in one file • Unoptimized lists → Default FlatList misuse • Heavy images → No compression or lazy loading • JS thread blocking → Heavy logic on main thread • Laggy animations → No native driver ✅ What Actually Works • useMemo, useCallback, React.memo — applied correctly • Structured state with Redux Toolkit / Zustand • Component-driven architecture (small, reusable units) • FlashList or optimized FlatList patterns • Lazy loading + compressed assets • Move heavy tasks off JS thread • Reanimated 3 for smooth UI ⚡ Pro Performance Checklist ✔ Enable Hermes ✔ Keep bundle size lean ✔ Profile with Flipper & DevTools ✔ Always test in Release mode ✔ Test on real devices (not just emulator) 💡 Bottom Line: Clean architecture + performance discipline = **buttery smooth apps** Messy code = **frustrated users & churn** At **SKN Software Labs**, we build React Native apps that feel native, fast, and scalable. 👉 What’s your go-to trick for optimizing React Native performance? #ReactNative #MobileAppDevelopment #AppPerformance #JavaScript #SoftwareEngineering #TechOptimization #StartupTech #CleanCode #DevTips #PerformanceMatters #Redux #Zustand #Hermes #ReactNativeDev #SKNSoftwareLabs

Last time, I talked about how React Native worked with the Bridge… And honestly — that architecture had its limits. ❌ Too much communication overhead ❌ Async-only → delays ❌ Performance bottlenecks in complex apps But things have changed. Big time. 🚀 --- 🔥 React Native’s Modern Architecture is a game-changer No more Bridge. Instead, we now have: ⚡ JSI (JavaScript Interface) Direct JS ↔ Native communication No middle layer. No waiting. 🎯 Fabric Renderer Faster UI updates Smoother animations Better user experience ⚙️ TurboModules Load only what’s needed Faster startup Cleaner performance --- 💡 What I found interesting This shift is not just about speed… It’s about control. Developers can now build apps that feel much closer to native — without fighting the framework. --- 📊 The real shift Old mindset → “Manage the bridge” New mindset → “Think native performance” --- If you’re still thinking React Native = slow… You might be thinking about the old architecture. The new one changes that story completely. --- Curious — are you still using the old architecture or exploring the new one? #ReactNative #MobileDevelopment #JavaScript #AppPerformance #SoftwareDevelopment #Tech

🚨 React Developers — Stop Writing “Working Code” Most React apps work. But very few are: • Scalable • Performant • Maintainable That’s the difference between a developer… and an engineer. Let’s talk real React 👇 🧠 𝟭. 𝗥𝗲-𝗿𝗲𝗻𝗱𝗲𝗿𝘀 𝗔𝗿𝗲 𝗬𝗼𝘂𝗿 𝗕𝗶𝗴𝗴𝗲𝘀𝘁 𝗘𝗻𝗲𝗺𝘆 If your app feels slow, it’s usually not React’s fault. It’s because of: • Unnecessary state updates • Props changing on every render • Functions recreated inside components 👉 Fix: • useMemo for expensive values • useCallback for stable functions • Component splitting ⚡ 𝟮. 𝗦𝘁𝗮𝘁𝗲 𝗣𝗹𝗮𝗰𝗲𝗺𝗲𝗻𝘁 = 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 Big mistake: 👉 Putting everything in global state Reality: • Local state → UI-specific • Global state → shared data only 👉 Overusing global state = tight coupling + bugs 🔥 𝟯. 𝗘𝗳𝗳𝗲𝗰𝘁𝘀 𝗔𝗿𝗲 𝗢𝘃𝗲𝗿𝘂𝘀𝗲𝗱 (𝗮𝗻𝗱 𝗠𝗶𝘀𝘂𝘀𝗲𝗱) If you’re writing: useEffect(() => { setState(someValue); }, [someValue]); You probably don’t need useEffect. 👉 Derive state instead of syncing it 🧩 𝟰. 𝗗𝗮𝘁𝗮 𝗙𝗲𝘁𝗰𝗵𝗶𝗻𝗴 𝗜𝘀𝗻’𝘁 𝗝𝘂𝘀𝘁 𝘂𝘀𝗲𝗘𝗳𝗳𝗲𝗰𝘁 Modern React apps use: • React Query / TanStack Query • Server Components (if using Next.js) 👉 Why? • Caching • Background refetching • Better UX 🚀 𝟱. 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁 𝗗𝗲𝘀𝗶𝗴𝗻 𝗠𝗮𝘁𝘁𝗲𝗿𝘀 𝗠𝗼𝗿𝗲 𝗧𝗵𝗮𝗻 𝗖𝗼𝗱𝗲 Bad: • 500-line components • Mixed logic + UI + API calls Good: • Small, reusable components • Separation of concerns • Clear data flow 🎯 𝟲. 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗜𝘀 𝗮 𝗙𝗲𝗮𝘁𝘂𝗿𝗲 You should care about: • Code splitting • Lazy loading • Memoization • Bundle size Because users feel performance, not code quality. 💬 Reality Check If your React app grows and becomes hard to manage… It’s not React. It’s your architecture. 👇 What’s the biggest mistake you’ve made in React? I’ll share advanced patterns in the next post. Follow to level up 🚀 #reactjs #frontend #javascript #webdevelopment #softwareengineering #engineering #DAY102

Most React Native developers start with a flat structure... and it works - until the app grows 😅 Here's the scalable React Native folder structure to keep code clean, modular, and maintainable 👇 Why structure matters: Every React Native project starts small - a few screens, some components, maybe a basic API call. But as features pile up, an unorganized codebase becomes a nightmare to navigate, debug, and hand off to teammates. Here's what each folder does: 📁 components/ → Reusable UI elements (buttons, cards, modals) that can be used across any screen 📁 screens/ → Each screen of your app, organized by feature (auth, home, profile) 📁 navigation/ → All route configurations in one place - no more hunting for where routes are defined 📁 store/ → Centralized state management with slices and custom hooks (Redux Toolkit / Zustand) 📁 services/ → API calls, interceptors, and business logic - completely separated from UI 📁 assets/ → Images, fonts, and icons - clean and easy to reference ❌ Without this structure: Files become impossible to find Code duplication everywhere New team members take weeks to onboard Every new feature risks breaking existing ones ✅ With this structure: Features are self-contained and easy to scale Teammates know exactly where everything lives Onboarding takes hours, not weeks Clean separation between UI, logic, and data 💡 Pro Tip: Organize by features, not just file types - it makes large apps significantly easier to manage and debug. How do you structure your React Native projects? 👇 Drop your thoughts in the comments! #ReactNative #MobileDevelopment #SoftwareArchitecture #CleanArchitecture #ReactNativeDev #AppDevelopment #CodingTips #JavaScript #TypeScript #Developers #FrontendDevelopment #TechCommunity #100DaysOfCode #OpenSourceDev

If your React Native project feels messy after 3 months… It’s not your fault. It’s your folder structure 👇 🚀 The folder structure I use in every production React Native app (from Day 1) Clean architecture isn’t optional — it’s what keeps your app scalable, maintainable, and team-friendly. Here’s the structure I follow: src/ ├── components/ → reusable UI only (no business logic) ├── screens/ → feature-based screens (one folder per flow) ├── hooks/ → custom hooks to keep screens clean ├── store/ → Redux + Zustand + MMKV + QueryClient ├── themes/ → light.ts · dark.ts · design tokens ├── schemas/ → all schemas in one place ├── locals/ → i18n files (en, hi, ar...) ├── helpers/ → pure functions (no side effects) ├── types/ → global TypeScript types ├── config/ → third-party setup (Supabase, etc.) ├── constants/ → app-wide static values ├── stacks/ → navigation configuration ├── providers/ → app-level providers ├── lib/ → library initialization (analytics, i18n, etc.) 💡 Why this structure works: 👉 Components vs Screens components/ = dumb UI (reusable, predictable) screens/ = smart containers (handle logic + API calls) 👉 Separation of concerns Business logic lives in hooks/ Side effects are controlled and isolated 👉 Scalability Feature-based screens/ make it easy to grow without chaos 👉 Maintainability Easy onboarding for new developers Clear boundaries = fewer bugs 👉 Performance mindset Cleaner structure → easier optimization & debugging 🔥 Pro Tip: If your components/ start having API calls or heavy logic… you’re breaking the system. 💬 What folder structure do you follow in your React Native apps? Would love to learn from your approach! #ReactNative #MobileDevelopment #SoftwareArchitecture #CleanCode #FrontendDevelopment