Optimizing React with memo, useMemo, and useCallback

After working with React for a while, I realized that most of my progress came from mistakes. Here are a few I made early on: 1.Overusing useEffect I treated it like a magic tool for everything. Instead of syncing state — I was creating bugs. 2.Making components too big 250+ lines, multiple responsibilities… Hard to test, harder to maintain. 3.Ignoring proper state ownership I was lifting state everywhere — instead of asking “who really needs this data?” Premature optimization 4.Focusing too much on tools Libraries, patterns, trends… instead of understanding core concepts. The biggest lesson? React is simple. We just make it complicated. Once I started focusing on fundamentals — everything became clearer. #reactjs #frontend #webdevelopment #softwareengineering

Express.js vs. NestJS: Which one is for you? We’ve all been there - starting a new Node.js project and picking between the "old reliable" Express or the "structured powerhouse" NestJS. Why choose Express? It’s the minimalist’s dream. Fast, flexible, and perfect for prototypes or small projects where you want total control. It’s like a blank canvas - you decide the structure. Why shift to NestJS? As your project grows, that "flexibility" can turn into a maintenance nightmare. NestJS brings: - Opinionated Structure: Everyone on the team writes code the same way. - TypeScript First: Built-in type safety (no more "duct-tape" configurations). - Dependency Injection: Makes testing and scaling a breeze. The Verdict: - Use Express for speed, MVPs, and hobby projects. - Use NestJS for enterprise apps, large teams, and systems that need to scale long-term. Don't let your codebase become "spaghetti/noodle." Choose the tool that matches the scale of your vision. What’s your go-to framework for backend development? Let me know in the comments! #NodeJS #WebDevelopment #Backend #ExpressJS #NestJS #SoftwareEngineering #TechTips

React Hooks completely changed how I write components. When I first started using React, I mostly focused on making the UI work. But once I understood hooks like useState, useEffect, and useMemo, my approach to building components changed completely. Hooks made it possible to: • Manage state in a cleaner way • Separate logic from UI • Reuse behavior across components One small thing I’ve learned while working on React projects: Not every problem needs a new hook. Sometimes the best solution is keeping the component simple and avoiding unnecessary complexity. Clean logic > clever code. Still learning new patterns every day while building with React and Next.js. For React developers here: Which hook do you use the most in your projects? #React #ReactHooks #Nextjs #FrontendDevelopment #WebDevelopment

🛠️ "Hooks revolutionized React as no other feature did!" 🎉 Remember those days of juggling lifecycle methods and state management? Hooks came and swept it all away like magic! With just a few lines of code, you could address complex state logic. It's like giving React a fresh pair of sneakers. 🏃♂️💡 Hooks made React more accessible to developers, lowered the entry bar, and allowed seasoned pros to simplify massive codebases. This isn't just about cleaner code - it's about time saved ⏰, fewer bugs 🐛, and a happier dev life.🎈 What was your "aha" moment with Hooks? Share your experience! 👇 #react #javascript #webdevelopment #frontend

Day 27 of Learning React – Performance Optimization Today I learn some basic performance optimization techniques in React, including the idea of memoization. I explored how avoiding unnecessary re-renders can improve the performance of an application. Understanding when components re-render and how to control it can make a big difference in larger projects. This helped me see how small optimizations can lead to smoother user experiences and more efficient applications. Continuing to learn how to write cleaner and more optimized React code. #React #ReactJS #Frontend #WebDevelopment #LearningInPublic #100DaysOfCode

🚀 Vite, Why Developers Love It🚀 If you're starting modern front-end development, you’ll likely hear about Vite. Vite is a fast build tool and development server created by Evan You (the creator of Vue.js). It helps developers build modern web applications quickly and efficiently thanks to his powerful features. 🔹 Why Vite is popular: • ⚡ Instant dev server startup • 🔥 Fast Hot Module Replacement (HMR) • 📦 Optimized production builds using Rollup • 🧩 Works smoothly with frameworks like React, Vue.js, and Svelte 🔹 The idea behind Vite: Instead of bundling the whole application during development, Vite serves files using native ES modules, making development much faster. 👉 In short: Vite = Faster development + better developer experience. If you're learning modern frontend tools, understanding Vite is definitely worth it. #WebDevelopment #Frontend #JavaScript #Vite #SoftwareEngineering #Linkedin #Network #Software #FrontendDeveloper

I spent months confused by React. Then I stopped trying to learn everything and focused on the right things in the right order. Here's the sequence that actually worked for me: 1/ Understand WHY React exists Not how it works — why. Once you get that it solves the problem of keeping UI in sync with data, everything clicks faster. 2/ Master `useState` & `useEffect` first. Don't jump to Redux or Zustand. 80% of real-world React apps live inside these two hooks. Get comfortable here before moving on. 3/ Think in components, not pages This is the mindset shift most beginners skip. Break every UI into small, reusable pieces. It changes how you design AND how you debug. 4/ Learn props deeply Passing data the right way, lifting state up, avoiding prop drilling — this is where junior devs struggle the most. Nail this early. 5/ Build something ugly and ship it No tutorial prepares you for real problems. Build a small project, break it, fix it, and deploy it. That's where the actual learning happens. React isn't hard. The order in which most people learn it is. #React #WebDevelopment #Frontend #JavaScript #LearningToCode #SoftwareEngineering #IndianDevelopers

React didn’t just teach me how to build interfaces. It changed how I think. Before React, I used to think in terms of “change this element” or “update that part of the page.” React forced me to think differently. Think in components. Think in state. Think in data flow. Instead of manually manipulating the DOM, I started asking: “What should the UI look like based on this data?” That shift is powerful. It makes you think logically before you code emotionally. React taught me that good frontend development is not about styling first. It’s about structure and predictable state. And once you understand that, everything starts to make more sense. 📷 Internet You’re new here? Hamid Adamu — Frontend Developer building real products and documenting the journey for beginners on the internet. #HamidAdamu #HamidBuilds #FrontendJourney #ReactJS #BuildInPublic #FrontendDeveloper #LearnToCode

React is changing faster than ever. A few years ago, it was mostly about components and hooks. Today, it’s about architecture, performance, scalability, and even AI-assisted development. From Server Components reducing bundle size To Concurrent Rendering making UI smoother To TypeScript-first projects improving code quality To Edge & full-stack rendering improving speed React is no longer just a frontend library — it’s becoming a complete ecosystem for building modern web apps. As a developer, I’m focusing more on: Writing cleaner and reusable components, Improving performance and load time, Structuring scalable projects, Learning modern full-stack React patterns The best part? There’s always something new to learn. If you’re working with React, what trend are you most excited about in 2026? #ReactJS #FrontendDeveloper #JavaScript #WebDevelopment #TechCommunity #BuildInPublic

Most developers get React wrong from the start. Not the syntax. Not the logic. The architecture. After 4+ years and multiple production apps, here are 5 mistakes I see constantly: 1. Putting everything in one component   → Break it down. Small components = readable code = easy debugging. 2. Fetching data inside components instead of custom hooks   → Separation of concerns isn't optional. It's survival. 3. Ignoring performance until it's a problem   → useMemo and useCallback aren't premature optimization. They're planning ahead. 4. Skipping TypeScript "to save time"   → TypeScript saves you 10x more time in debugging than it costs in setup. 5. Not thinking about mobile first   → In 2026, if it doesn't work on mobile, it doesn't work. Period. Which one did you learn the hard way? Save this for your next code review 🔖 #ReactJS #FrontendDevelopment #JavaScript #WebDev #CodeQuality