Felipe Monteiro’s Post

🚀 Strengthening My Frontend Foundations Lately I’ve been dedicating time every day to sharpen my JavaScript and React fundamentals. Today’s practice focused on improving problem-solving and understanding core concepts such as: • Array logic (finding max values, removing duplicates) • String problems like palindrome checks • Understanding the JavaScript event loop (sync → Promise → setTimeout) • Revisiting React basics like state, props, and controlled components These small but consistent improvements are helping me approach coding challenges with more clarity and confidence. I’m continuing to learn, build, and improve every day as I work toward my next opportunity as a Frontend / React Developer. #FrontendDeveloper #ReactJS #JavaScript #WebDevelopment #CodingPractice #LearningInPublic

Most React developers focus on making things work. The best ones focus on making things clear. There's a big difference - and it took me 1+ year of real projects to feel it. I put together 5 habits that shifted my thinking as a frontend developer. Nothing fancy. No libraries. No advanced patterns. Just better questions before writing code. Here are 5 small habits that changed how I build 👇🏻 ↳ Stop over-abstracting early ↳ Think about state ownership ↳ Design for failure, not just success ↳ Question every useEffect ↳ Small performance discipline > late panic None of these are revolutionary. But they’re easy to ignore when you're new. I did. Swipe through for the full breakdown. Curious - which habit do you think is the most underrated for junior developers? Let me know below 👇🏻 RRK signing off! 💛 #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #LearningInPublic

Every frontend developer you admire started exactly where you are right now.   Here is a clear, structured path to becoming a Frontend Developer in 2026-   Step 1- HTML, CSS, and JavaScript Step 2- Flexbox, Grid, and Mobile First Design Step 3- Git and GitHub Step 4- React Step 5- APIs and Real World Data   Skills without direction get you nowhere.   What gets you hired is the right skills - built in the right order - with the right support behind you. . . . . . #frontenddev #skillifysolutions #webdevelopment #learntocode #career

Your roadmap to becoming a Frontend Developer starts here 🚀 Master the foundations of HTML, style like a pro with CSS, and bring everything to life using JavaScript. No shortcuts. No fluff. Just a clear path to build, grow, and stand out in tech. 💡 Consistency > Perfection 💡 Projects > Theory 💡 Skills > Certificates Start today. Your future self will thank you. #FrontendDevelopment #WebDevelopment #JavaScript #CodingJourney #TechCareers #LearnToCode #DevelopersLife #CareerGrowth #DigitalSkills #LinkedInGrowth

Hello, Tech Wizards 👋 Just had an interview for a 3–5 years React JS role 👀 Here are some questions that really test your fundamentals: 1. What exactly is the Virtual DOM and how does it improve performance? 2. Can you explain Higher Order Functions with real-world use cases? 3. How does Context API work internally, and when should you avoid it? 4. Throttling vs Debouncing — when would you use each in a real application? 5. What are es6 features.Explain 6. How would you merge two arrays and sort them without using any inbuilt function? 7. Given an API, how would you fetch data and display it in a clean tabular format in React? 8. What is the difference between useMemo and useCallback, and when does it actually matter? 9. How do you optimize a React application for performance in production? Some simple-looking questions, but the depth they expect is next level. #ReactJS #JavaScript #FrontendDeveloper #InterviewExperience #TechInterview

🚀 Node.js Interview Question Many developers think setTimeout(), setImmediate(), and process.nextTick() behave the same. But they actually run in different phases of the Node.js Event Loop. Understanding this helps you control asynchronous execution and avoid unexpected behavior in backend applications. I made a simple breakdown explaining the difference 👇 Which one do you use most in your Node.js projects? #nodejs #javascript #backend #webdevelopment

🚀 Day 1/90 — JavaScript Frontend Engineer Journey Today I officially started my 90-day journey to become a Job-Ready Frontend Engineer. And instead of jumping directly into React or frameworks, I started with the core: 👉 How JavaScript Actually Works Behind the Scenes. Here’s what I learned today: 🔹 JavaScript is single-threaded 🔹 It runs inside an engine like Chrome’s V8 🔹 Every JS program starts with a Global Execution Context 🔹 Execution happens in two phases: 1️⃣ Memory Creation Phase 2️⃣ Code Execution Phase 🔹 Functions are fully hoisted 🔹 Variables declared with var are hoisted and initialized as undefined 🔹 let and const are hoisted but stay inside the Temporal Dead Zone I also deeply understood how the Call Stack works (LIFO principle) and how JavaScript manages function execution internally. This foundation is critical for: Understanding closures Mastering async JavaScript Writing predictable React code Cracking frontend interviews I believe strong fundamentals build strong engineers. 📌 Next: Variables, Data Types & Memory (Stack vs Heap) If you're also learning frontend or switching careers, let’s connect and grow together. #FrontendDevelopment #JavaScript #WebDevelopment #ReactJS #NextJS #100DaysOfCode #SoftwareEngineering #RemoteJobs #SelfLearning #ProgrammingJourney

Tech moves fast. If you blink, there’s a new JavaScript framework. 🌪️ One of the most overwhelming parts of web development is feeling like you need to know everything. React, Vue, Angular, Node, Tailwind, TypeScript... the list is endless. Here is my advice to anyone feeling tutorial fatigue: Stop trying to learn everything, and start building something. The best way to solidify your knowledge isn't watching another 4-hour video. It's getting your hands dirty. 💡 The Blueprint for Growth: Pick one language/framework. Build a project you actually care about. Get stuck. Read the documentation. Fix the problem. Repeat. Focus on the fundamentals (HTML, CSS, Vanilla JS, how the web works). Frameworks come and go, but strong fundamentals make you adaptable to anything the tech world throws at you. 🧠 #WebDevelopment #SoftwareEngineering #ProgrammingTips #CodingLife #TechTrends #CareerAdvice #HiringTech #JuniorDeveloper #FullStackDeveloper #ContinuousLearning #ReactJS #JavaScript #TailwindCSS #TypeScript #FrontendDevelopment #BuildInPublic #100DaysOfCode #VibeCoding #DeveloperExperience

Small learning every day adds up. Many people think developers grow by learning big frameworks overnight. But in reality, growth happens through small daily improvements. As a Front-End Web Developer, I try to spend a little time daily improving my skills in JavaScript, React.js, and responsive UI. Today I was exploring custom React hooks and how they help keep code clean and reusable. It’s amazing how small concepts can make a big difference in real projects. Always learning. Always building. What are you currently learning as a developer? #frontenddeveloper #reactjs #javascript #webdevelopment #developerlife

I’ve been working as a frontend developer for around 2 years now. And honestly — I’ve made a lot of mistakes while learning React. Here are 5 mistakes I made (so you don’t have to): 1️⃣ Overcomplicating components I used to put too much logic in a single component. Now I focus on breaking things into smaller, reusable pieces. 2️⃣ Not managing state properly At the beginning, I didn’t think much about state structure. But poor state management quickly leads to messy code. 3️⃣ Ignoring performance I wasn’t thinking about re-renders at all. Now I use techniques like memoization and better state handling. 4️⃣ Writing unclean code It worked… but it wasn’t readable. Now I focus more on clean structure and naming. 5️⃣ Not understanding fundamentals deeply I jumped too quickly into advanced topics. But strong basics (JS + React core) make everything easier. The biggest lesson? 👉 Writing code that works is easy. 👉 Writing clean, scalable code takes time. Still learning, still improving. What’s one mistake you made while learning React? #reactjs #frontenddeveloper #webdevelopment #javascript #learninginpublic