Felipe Paluco’s Post

⚛️ React.js: Powering Modern User Experiences In today’s digital world, users expect fast, smooth, and interactive interfaces and that’s where React.js shines. 🔹 Component-based architecture for scalability 🔹 Faster rendering with Virtual DOM 🔹 Reusable code = efficient development 🔹 Strong ecosystem & community support React isn’t just a library it’s a smart way to build high-performance applications. From startups to enterprise apps, React.js continues to lead the frontend space. 💡 Great UI = Great user experience = Better business results. Are you using React in your projects? #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #UIUX #Developers #Tech #Programming

Building and refining a scalable React architecture using lazy loading and modular components. Focused on improving navigation structure, connecting pages properly, and optimizing performance across the app. Small improvements every day → better user experience 🚀 #React #WebDevelopment #FrontendDevelopment #JavaScript #SoftwareEngineering #UIUX #CleanCode #CodingJourney

The UI looked perfect. But the app still felt… wrong. Buttons were smooth. Design was clean. Everything worked. Still, something was missing. That’s when I realized: Good frontend is not just about how it looks — it’s about how it behaves. Loading states. Error handling. Smooth interactions. Edge cases. That’s where real frontend development lives. Since then, I’ve been focusing less on just building screens and more on building experiences. Still improving every day 🚀 If you care about building better frontend, let’s connect 🤝 #ReactJS #FrontendDeveloper #UserExperience #JavaScript #WebDevelopment #BuildInPublic

The New Architecture (Fabric + TurboModules) is no longer optional — it’s becoming the standard. For years, React Native apps relied on the old bridge system. But now, things are changing FAST 👇 With Fabric + TurboModules, hooks-based APIs are increasing: Example from the latest libraries: useSecureStorage useSecret useSecureOperation 👉 New libraries are shifting to hook-first APIs for native features. ⚙️ What’s new? • Fabric → Faster UI rendering & smoother interactions • TurboModules → Efficient native module loading • Less bridge communication → Better performance ⚡ #ReactNative #MobileDevelopment #JavaScript #SoftwareEngineering #AppDevelopment #TechTrends #Developers

Just wrapped up building Docs Weaver — a React + TypeScript web app designed to simplify how we work with documents. The idea was straightforward: Uploading, reordering, and merging PDFs shouldn’t feel like a chore. So I built a clean, responsive interface that lets users: • Drag and drop files effortlessly • Reorder documents before merging • Preview files in a structured layout • Export everything into a single, downloadable PDF Under the hood, I focused on building a scalable frontend architecture using React, TypeScript, Tailwind CSS, and Zustand for state management This project pushed me to think more deeply about UI/UX flow, file handling, and state structure in real-world applications. 👉 Try it here: https://lnkd.in/enR-6ihP Always open to feedback — and if you're working on something similar, I'd love to connect and exchange ideas. #WebDevelopment #ReactJS #FrontendDevelopment #TypeScript #BuildInPublic #UIUX #Developers

Ever noticed how some apps feel instant while others feel sluggish? 🐌 The secret isn't just a faster backend—it's the power of Optimistic UI. Instead of waiting for a server response to update the interface, we assume success and update the UI state immediately. If the request fails, we gracefully roll back. This creates a perceived performance boost that users absolutely love. ⚡️ Implementing this in modern frameworks like React or using tools like TanStack Query takes a bit more logic, but the trade-off in user experience is massive. It transforms a frustrating "loading spinner" moment into a seamless, snappy interaction. How are you handling async states in your latest project? Are you still showing a spinner for every action, or are you going optimistic? Let’s discuss below! 👇 #WebDevelopment #ReactJS #UXDesign #Frontend #JavaScript #SoftwareEngineering #TechTips

Your React app feels slow… But the problem isn’t your components. It’s how you’re rendering lists. A common mistake: Mapping over large arrays without thinking about impact. items.map(item => <Item key={item.id} data={item} />) Looks harmless. Until your list grows… and everything starts lagging. What’s really happening: → Every re-render = every item re-renders → Even if only ONE item changed → UI starts to feel sluggish Senior engineers watch for this early. Fixes that actually matter: → Use React.memo for list items → Ensure stable props (no inline objects/functions) → Virtualize large lists (react-window, FlashList in React Native) → Avoid unnecessary parent re-renders React Native devs — this is critical. FlatList is not magic. If your renderItem isn’t optimized… it will still choke. Rule of thumb: If your list has 100+ items… you should be thinking about rendering strategy.Before. Not after it slows down. Because performance issues in lists don’t show up in dev… They show up in production. #reactjs #reactnative #webperformance #frontend #softwareengineering

🚀 Exploring the React 3rd-Party Library Ecosystem! From routing to state management and UI design, React offers a powerful ecosystem to build scalable and modern apps 💡 🔹 Routing: React Router, React Location 🔹 HTTP Requests: fetch(), Axios 🔹 Remote State: React Query, SWR, Apollo 🔹 Global State: Context API, Redux, Zustand 🔹 Styling: CSS Modules, Styled Components, Tailwind CSS 🔹 Forms: React Hook Form, Formik 🔹 Animations: Framer Motion, React Spring 🔹 UI Components: MUI, Chakra UI, Mantine Choosing the right tools can make your development faster, cleaner, and more maintainable ⚡ #ReactJS #WebDevelopment #Frontend #JavaScript #Programming #DeveloperLife #ReactEcosystem #Coding #SoftwareEngineering #UIUX #TechStack #LearningJourney

When I started in frontend, I was obsessed with design. 🔸 Perfect spacing. 🔸 Beautiful colors. 🔸 Clean layouts. I thought that’s what made a great developer. Then one day, a user message changed everything: “Your app looks good… but it keeps breaking.” That hit hard. Because frontend isn’t about how it looks - it’s about how it behaves. 👉 Does it handle API failures? 👉 Is the state predictable? 👉 Can it scale without crashing? That’s when I stopped building just UI…and started building systems. Now, every line of code I write is for real users - not just perfect screens. Are you building UI or systems? 🤔 Let’s discuss. #FrontendDevelopment #ReactJS #WebDevelopment #SoftwareEngineering #Developers

🚀 𝗕𝗼𝗼𝘀𝘁 𝗬𝗼𝘂𝗿 𝗥𝗲𝗮𝗰𝘁 𝗔𝗽𝗽 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝘄𝗶𝘁𝗵 𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻! Ever tried rendering 1000s of items in React and noticed your app slowing down? 😓 That’s where 𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 (𝗪𝗶𝗻𝗱𝗼𝘄𝗶𝗻𝗴) comes to the rescue! 💡 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻? Virtualization is a technique where React renders only the visible items on the screen, instead of the entire list. 👉 Instead of loading 10,000 items at once, it loads just what the user can see 👀 ⚡ 𝗪𝗵𝘆 𝘀𝗵𝗼𝘂𝗹𝗱 𝘆𝗼𝘂 𝗰𝗮𝗿𝗲? ✔ Faster rendering ✔ Smooth scrolling ✔ Reduced memory usage ✔ Better user experience 🧠 𝗛𝗼𝘄 𝗶𝘁 𝘄𝗼𝗿𝗸𝘀 (𝘀𝗶𝗺𝗽𝗹𝗲 𝗶𝗱𝗲𝗮): • Render only visible items • Remove items that go off-screen • Add new items as user scrolls 📦 𝗣𝗼𝗽𝘂𝗹𝗮𝗿 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀: 🔹 react-window (lightweight & fast) 🔹 react-virtualized (feature-rich) 📊 𝗪𝗶𝘁𝗵𝗼𝘂𝘁 𝘃𝘀 𝗪𝗶𝘁𝗵 𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 ❌ Rendering all items → Slow, heavy UI ✅ Rendering visible items → Fast, smooth UI 📌 𝗪𝗵𝗲𝗻 𝘁𝗼 𝘂𝘀𝗲 𝗶𝘁? 👉 Large datasets (1000+ items) 👉 Tables, feeds, chat apps 👉 Infinite scrolling UI ⚠️ 𝗞𝗲𝗲𝗽 𝗶𝗻 𝗺𝗶𝗻𝗱: • Dynamic heights can be tricky • Needs careful scroll handling • Not needed for small lists 💬 𝗣𝗿𝗼 𝗧𝗶𝗽: If your React app feels slow while scrolling… 👉 Virtualization might be the missing piece! 🔥 Start building high-performance React apps today! #ReactJS #WebDevelopment #Frontend #JavaScript #Performance #SoftwareEngineering