Thiago Marques’ Post

🌟 Day 5 of the #21dayschallengewithoutbox 🌟 This week in the Outbox Backend Web Development Cohort 001, I learned something that really boosted my confidence as an aspiring backend developer — how to use Express.js. Express.js is a web framework for Node.js that makes building servers easier, faster, and more organized. Some of the key things I learned include: 🔹 What Express.js is and why developers use it 🔹 How Express handles routing efficiently 🔹 Middleware and how it helps in request processing 🔹 How to set up a project using npm init, install dependencies, and create a server file 🔹 How to create routes like GET, POST, PATCH, DELETE 🔹 How to start a server and test it in the browser or Postman I even wrote my first real Express server — from creating a folder → initializing npm → installing Express and Nodemon → writing route handlers → and finally running the server on localhost:3000. Learning Express.js has really helped me understand how backend servers actually receive, process, and respond to client requests. This is a big step toward building real-world backend projects, and I’m excited to keep going! 🚀 💬 For developers out there — what was the first backend framework you learned, and how did it feel? #Outbox #BackendDevelopment #Expressjs #Nodejs #JavaScript #LearningInPublic #WebDevelopment #21dayschallengewithoutbox

💡 React + TypeScript TIP: Safe Partial Updates with Partial & Omit 🛡️ Ever needed to update just part of an object in your app, but wanted to make sure the id field couldn’t be changed? In my timeline project, this was crucial for data integrity and avoiding accidental bugs. In the image below, I solved it using TypeScript’s utility types: What does this do? You only send the fields that actually changed, no need for the whole object! The id field is protected from accidental updates. The code is cleaner and easier to maintain. This pattern works great for update functions, stores, reducers, and APIs. In my case, it made type definitions clearer and reduced update errors. 🔎 Bonus tip: Centralize your types in a /types folder and use consistent imports for easier maintenance and reuse. How do you handle partial updates and field protection in TypeScript? Have you tried combining Partial + Omit? #React #TypeScript #TechTips #Frontend #CodeQuality #CleanCode #SoftwareArchitecture #Zustand #NextJs

🚀 Big news for Node.js developers! The brand-new Node.js 25.0.0 release has landed — and it’s packed with game-changing improvements for performance, security, and developer experience. 💥 Here’s what’s exciting in this release: ✨ V8 engine upgraded to v14.1 — bringing lightning-fast JSON.stringify, optimized JIT pipelines, and even smoother WebAssembly support. 🗂️ Web Storage is now enabled by default, aligning Node.js more closely with browser-like web standards. ⚙️ Added global ErrorEvent and more web-standard APIs for a consistent developer experience across environments. 🔒 Permission models like --allow-net make your apps secure by default, giving developers fine-grained control over system access. With LTS for Node.js 24 starting in October 2025, now’s the perfect time to explore what Node 25 brings to the table. 🚀 Whether you're building high-performance APIs, real-time systems, or next-gen backends, Node.js 25 is setting new standards for speed, security, and seamless web compatibility. 💡 Stay ahead, upgrade smartly, and unlock the future of JavaScript backend development. #Nodejs #JavaScript #BackendDevelopment #WebAssembly #V8Engine #Nodejs25

𝗛𝗼𝘄 𝗡𝗲𝘀𝘁𝗝𝗦 𝗤𝘂𝗶𝗲𝘁𝗹𝘆 𝗙𝗶𝘅𝗲𝗱 𝗢𝘂𝗿 𝗧𝗲𝗮𝗺 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 We didn’t switch to NestJS for performance. We switched because our team started arguing about folder names 😅 In Express, everyone had their own style: routes here, services there, logic everywhere. Code reviews turned into detective work. “Who wrote this middleware?” “Why is this file in the utils folder?” That chaos slowed us down more than any API call ever could. Then we moved to NestJS — and everything changed. - Modules brought structure. - Dependency Injection made logic predictable. - Suddenly, code reviews felt like collaboration, not confrontation. We didn’t just get better code — We have a shared way of thinking. That’s why now I say: 𝗡𝗲𝘀𝘁𝗝𝗦 𝗱𝗼𝗲𝘀𝗻’𝘁 𝗷𝘂𝘀𝘁 𝘀𝗰𝗮𝗹𝗲 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 — 𝗶𝘁 𝘀𝗰𝗮𝗹𝗲𝘀 𝘆𝗼𝘂𝗿 𝘁𝗲𝗮𝗺 #NestJS #NodeJS #BackendDevelopment #SoftwareArchitecture #TeamWork #TechLeadership #JavaScript #Microservices #Scalability

The Real Reason Node.js Is So Powerful” Ever wondered how Node.js handles thousands of requests with just one thread? 🤯 It’s not luck — it’s the brilliance of asynchronous design. Node.js doesn’t wait for things like file reads or DB queries. It keeps moving — thanks to its Event Loop and Non-blocking I/O. While other servers wait for a response, Node.js says, “You handle that, I’ll keep working.” That’s how it scales effortlessly — perfect for real-time apps, APIs, and fast backends. It’s like a chef taking new orders while assistants handle the cooking in the background. 🍳 Efficient, fast, and beautifully simple. The lesson? Sometimes power isn’t about brute force — it’s about smart design. ⚙️ #NodeJS #BackendDevelopment #WebDevelopment #JavaScript #FullStack #Developers #Programming

NestJS brings ultimate structure, scalability, and TypeScript-first development to enterprise apps. Modular architecture Advanced dependency injection Clean code & easy maintenance Built-in testing, guards, middleware, interceptors If you’re building large-scale projects, NestJS is the game-changer you need! Are you still doing everything in plain NodeJS? Time to upgrade and code smarter! 💡🔥 #NestJS #NodeJS #BackendDevelopment #TypeScript #WebDeveloper #TechReels #ScalableApps #ModernCoding #EnterpriseTech #Javascript #DeveloperLife #ViralReels

🚀 Exciting news for Full Stack Developers! Node.js 22 has just been released, bringing with it some fantastic updates that are going to change the game for many of us. One of the highlights is the addition of require() support for ES modules, a feature that has been long-awaited by the community. This means we can now seamlessly mix ES modules and CommonJS in our projects, making it easier to adopt modern JavaScript features without having to overhaul our entire codebase. Another significant update is the enhancement of the V8 JavaScript engine to version 12.4, which includes new features like WebAssembly Garbage Collection (WasmGC). These updates are a testament to the Node.js community's dedication to keeping the ecosystem vibrant and adaptive. How are you planning to leverage these new features in your projects? #NodeJS #FullStackDevelopment #JavaScript #WebDevelopment #TechUpdates

🔸 If you're working with React, and plan to make large scale scalable applications, master these concepts. You’ll see them in almost every real-world project 1️⃣ Infinite Scroll Load more items as the user scrolls. Use IntersectionObserver or scroll listeners. Throttle requests and track pagination properly. 2️⃣ Search with Live Filtering Debounce the input. Support both local and API-based filtering. Handle loading, empty, and error states clearly. 3️⃣ Dynamic Forms Forms where fields can be added/removed. Controlled components work best. Structure state carefully — usually an array of field configs. 4️⃣ Multi-Step Form Form split into multiple steps. Each step manages its own validation. Use shared state across steps. Allow going back without losing data. 5️⃣ Custom Hook Centralize API logic in a hook. Handle loading, error, and success states. Use useEffect, and clean up with AbortController. 6️⃣ Auth + Route Protection Use tokens (like JWT) to check auth state. Protect private routes. Redirect unauthenticated users. Handle token expiry and logout cleanly. Not theory. Just common patterns that keep showing up in real projects. If you're building something in React, these are good to have locked #reactjs #nextjs #javascript #technology #softwaredevelopment #github #android #programming #ig

🚀 Big news for Node.js developers! The brand-new Node.js 25.0.0 release has landed — and it’s packed with game-changing improvements for performance, security, and developer experience. 💥 Here’s what’s exciting in this release: ✨ V8 engine upgraded to v14.1 — bringing lightning-fast JSON.stringify, optimized JIT pipelines, and even smoother WebAssembly support. 🗂️ Web Storage is now enabled by default, aligning Node.js more closely with browser-like web standards. ⚙️ Added global ErrorEvent and more web-standard APIs for a consistent developer experience across environments. 🔒 Permission models like --allow-net make your apps secure by default, giving developers fine-grained control over system access. With LTS for Node.js 24 starting in October 2025, now’s the perfect time to explore what Node 25 brings to the table. 🚀 Whether you're building high-performance APIs, real-time systems, or next-gen backends, Node.js 25 is setting new standards for speed, security, and seamless web compatibility. 💡 Stay ahead, upgrade smartly, and unlock the future of JavaScript backend development. #Nodejs #JavaScript #BackendDevelopment #WebAssembly #V8Engine #Nodejs25 #WebStorage #DeveloperExperience #TechInnovation #WebDev

🚀 I just built my first Node.js CLI project — a Task Tracker! This simple command-line app lets you: ✅ Add new tasks ✏️ Update and delete tasks ⚙️ Mark tasks as done or in progress 📋 List all tasks by their status It’s a beginner project from roadmap.sh , but I learned so much while building it — especially about: 💡 Working with the file system (fs) in Node.js 💾 Storing and managing data in JSON files 🧠 Structuring and handling CLI commands and arguments This was a great exercise in understanding backend fundamentals without any frameworks. 🔗 You can check it out on GitHub: https://lnkd.in/eMQq-3kw Always learning, always building 💪 #NodeJS #JavaScript #BackendDevelopment #FullStackDeveloper #roadmapsh #LearningInPublic