Alexandre Blanchet’s Post

Backend Interview Question for Node.js Developer 4️⃣ What is asynchronous programming in Node.js? Asynchronous programming allows code to run without waiting for previous tasks to finish. It prevents blocking the main thread. ✅ Example: console.log("Start"); setTimeout(()=> console.log("Async task executed"), 1000); console.log("End"); 5️⃣ What are Promises in Node.js? A Promise represents a value that will be available in the future. It helps handle asynchronous operations cleanly. ✅ Example: const promise = new Promise(resolve => resolve("Success")); promise.then(console.log); 6️⃣ What is async/await in Node.js? It is a modern way to write asynchronous code. It makes async code look like synchronous code. ✅ Example: async function run(){ const result = await Promise.resolve("Completed"); console.log(result); } run(); #Nodejs #BackendDevelopment #JavaScript #ExpressJS #Coding #Interviews #APIs #WebDeveloper #MERNStack

Everyone’s talking about switching to React jobs. But no one’s talking about the fakers — and how to spot them. Faking 2–3 years of React experience with no real work behind them. Let’s be honest — fake experience is flooding the job market. Here’s what I’ve personally learned 👇 🚩 1. They know the *syntax*, not the *reason* You ask: “Why did you use useEffect here?” They say: “To fetch data.” But they can’t answer: - Why not inside the component body? - What happens if dependencies are wrong? - Did you use cleanup? Why or why not? 📌 **Real devs** explain behavior.   **Fakers** repeat definitions. 🚩 2. No debugging scars = no real dev work Every real React dev has gone through: - useEffect causing infinite loops   - Re-renders that tank performance   - A state update not reflecting due to stale closures   - “Can’t perform a React state update on an unmounted component” error Ask:   > “What was a tough bug you faced in production?”   > “How did you debug it?” If they say “I usually didn’t face issues” — they’re faking, bro. 🚩 3. Projects are shallow tutorial clones Github is full of: - Netflix clone   - Weather app   - Blog CMS   - No README, no routing, no deployment Ask: > “What are the folders in your app?”   > “How does state flow work across screens?”   > “What would you improve if you rebuilt this?” If they can’t walk you through it like it’s their baby — 🚨🚨 --- 🚩 4. Performance is not even on their radar React devs with real experience will mention: - `React.memo`, `useMemo`, `useCallback`   - Avoiding prop drilling   - List virtualization   - Lazy loading / Suspense   - Bundle splitting Fakers don’t even know what to measure. Ask: > “How do you avoid unnecessary re-renders?”   > “What tools do you use to profile performance?” If the answer is blank, so is their experience. 🚩 5. Vague work in real-world projects Everyone says: > “I worked on the dashboard”   > “I helped with the UI”   > “It was a team project” But real contributors can walk you through: - How data was fetched   - How state was handled   - How they debugged or optimized a feature   - Trade-offs they made in implementation Fakers go silent or switch to theory. 🚩 6. They avoid hands-on coding during interviews Real devs don’t love live coding either —   But they’re okay talking and coding through small problems. Fakers panic.   They fumble with basic array methods (`map`, `filter`, `reduce`).   They avoid the keyboard like it’s cursed. 💡 Pro tip: Ask them to build a mini search bar with debouncing live on CodeSandbox. ☑️ What to do if you're hiring or mentoring: ✔️ Ask “why” more than “what”   ✔️ Let them walk through their project architecture   ✔️ Push them gently to code or explain live   ✔️ Focus on thought process, not syntax perfection 🚫 This isn’t hate on career switchers.   I help people switch into React all the time.   But *faking experience* doesn’t help anyone. Don't skip the grind #frontend #react

🚀 Top Interview Questions: JavaScript Full Stack Edition 💻✨ Are you preparing for your next Full Stack Developer or JavaScript Engineering interview? Dive into the Top 50 JavaScript Full Stack Interview Questions & Answers — your complete guide to mastering both frontend and backend concepts like React, Node.js, Express, MongoDB, and more! ⚡ 🧠 What You’ll Learn: ✅ Core JavaScript, ES6+, and asynchronous programming concepts ✅ React, Node.js, Express, and MongoDB interview questions ✅ Hands-on coding examples with real-world scenarios ✅ Best practices for scalable web applications ✅ Perfect for MERN, MEAN, or any modern full stack interview 📖 Read the full guide here: 👉 https://lnkd.in/gKX9Xi65 💡 Why this matters: Full Stack Developers are among the most in-demand professionals in today’s tech world. Strengthen your technical foundation, sharpen your coding logic, and confidently crack your next big interview. 🚀 #TopInterviewQuestions #JavaScript #FullStackDeveloper #MERNStack #MEANStack #ReactJS #NodeJS #ExpressJS #MongoDB #FrontendDevelopment #BackendDevelopment #WebDevelopment #SoftwareEngineering #CodingInterviews #Programming #TechJobs #TechInterviews #AI #DataScience #DataEngineering #MachineLearning #ArtificialIntelligence #CloudComputing #SQL #Python #TechTalent #JobSearch #CareerGrowth #Hiring #InterviewPreparation #JobOpportunities #CareerDevelopment #TechIndustry #TechCareers #Innovation #CareerOpportunities #DigitalTransformation #TechTrends #FutureOfWork #Coding #LearnToCode #WomenInTech #RemoteJobs #InDemandSkills #JobAlert #TechCommunity #Engineering #JobHunt #CareerSuccess #UpSkilling #TechEcosystem #TechLife #CodingLife #AIandML #SoftwareDeveloper #CareerPath #Recruitment #TechWorld #JobReady #ComputerScience #AI #BigData #CyberSecurity #TechHiring #BackendDeveloper #Algorithms #DataStructures #OperatingSystems #DBMS #OOPS #Java #CPlusPlus #SystemDesign #TrendingNow #ITJobs #TechCareerPath

🔥 MERN vs Full Stack Developer — What’s the Difference? 🚀 Are you confused between becoming a MERN Developer or a Full Stack Developer? Here’s a simple breakdown 👇 📘 MERN Developer: Focused on one powerful tech stack: ⚛️ React 🟢 Node.js 🟡 Express.js 🗄️ MongoDB 👉 Best for building modern single-page applications. 📘 Full Stack Developer: Works with multiple frontend + backend technologies ➡️ HTML, CSS, JS ➡️ React / Angular / Vue ➡️ Node / Django / Spring Boot ➡️ SQL & NoSQL Databases 👉 More flexible across different tech ecosystems. Choose your path based on your career goals & tech preference! 💡 👉 Follow Pluto Academy for more career comparisons, roadmaps & developer guides. #MERNStack #FullStackDeveloper #WebDevelopment #CareerGuide #TechInsights #JavaScript #CodingCareer #PlutoAcademy

👨💻 Full-Stack Developer: Bridging Frontend & Backend Full-stack developers seamlessly connect the creative world of frontend with the robust backbone of backend technology. They bring digital ideas to life—designing beautiful interfaces with HTML, CSS, JavaScript, React, and Angular, while powering functionality and data with Node.js, Express.js, MongoDB, Python, PHP, and SQL. By mastering both sides, full-stack developers ensure that what users see is perfectly in sync with the powerful logic behind the scenes. This unique skillset turns concepts into complete, fully-functional products. 💡 Whether you’re starting out or growing your career, understanding both frontend and backend broadens your view and opportunities in software development. #FullStackDeveloper #WebDevelopment #Frontend #Backend #Programming #DeveloperJourney #CodingLife

🔍 Is the Term “Full Stack Developer” Being Misused? In the last few years, the title “Full Stack Developer” has become incredibly popular. Traditionally, a Full Stack Developer was someone who could build an application end-to-end — 👉 Frontend (UI, UX, client-side logic) 👉 Backend (server-side programming, APIs, databases) 👉 Plus a basic understanding of deployment and version control. But lately, I’ve noticed something different. I’ve spoken to many developers who proudly call themselves “Full Stack,” and when I ask about their skills, they mention HTML, CSS, JavaScript, and frameworks like React or Angular. However, when I dig deeper into their backend knowledge, most say: “I have a little idea about backend programming and databases.” They often have no real hands-on experience with backend languages like Node.js, PHP, Python, or Java, or with managing databases and APIs. So, it makes me wonder — 🧠 If you only have limited exposure to backend technologies, can you really call yourself a Full Stack Developer? The reality is, the term is often used loosely today. Modern frontend tools blur the line between client and server, and job titles sometimes follow trends more than truth. But in essence, a true Full Stack Developer is someone who can: ✅ Design and build the frontend ✅ Develop and maintain the backend ✅ Connect and manage databases ✅ Deploy and manage the entire application It’s not just about touching both sides — it’s about understanding and delivering across the stack. What do you think? Have you also noticed this trend of “partial stack” developers calling themselves “full stack”? #FullStackDeveloper #WebDevelopment #Frontend #Backend #SoftwareEngineering #Developers #TechDiscussion

Please do repeat after me: You're not a Go developer. You're not a PHP developer. You're not a Java developer. You're not a .NET developer. You're not a Ruby developer. You're not a Rust developer. You're not a React developer. You're not a Kafka developer. You're not a MERN developer. You're not a Next.js developer. You're not a Python developer. You're not a Node.js developer. You're not a Fast API developer. You're not an Express developer. You're not a Swift/iOS developer. You're not a Terraform developer. You're not a Spring Boot developer. You're not an Android/Kotlin developer. You're a Software Engineer. You learn fast. Solve problems. Design solutions. Pick the right tools. And deliver results. Stacks change. Teams change. Tools change. But the fundamentals don't. What every software engineer should master -- no matter the language or niche: → Performance & Scaling → Web Fundamentals → API Design → Deployment & CI/CD → Communication and Stakeholder Management We as a software engineers are paid to solve problems, not to follow a tech stack. See problems around your environment, try to solve them one by one, if you want to stand out. Be the person who can switch stacks, fix what’s broken, and ship on time. #copy

👨💻 Full-Stack Developer: The Bridge Between Frontend & Backend A Full-Stack Developer is someone who can move seamlessly between the client side and the server side, turning ideas into complete, functional products. On one hand, they bring designs to life using HTML, CSS, JavaScript, React, Angular, and Bootstrap. On the other, they handle the logic, databases, and server operations with Node.js, Express.js, MongoDB, Python, PHP, and SQL. In short, a Full-Stack Developer connects creativity with functionality, making sure that what users see and what happens behind the scenes work perfectly together. 💡 Whether you’re just starting out or already in the field, learning both sides helps you understand the bigger picture of software development. #FullStackDeveloper #WebDevelopment #Frontend #Backend #Programming #DeveloperJourney #CodingLife

Is your tech team facing challenges in hiring skilled Django developers? 💻 With the growing demand for Python-based web solutions, competition for top talent is fiercer than ever. 🚀 👉 Learn how your business can stay ahead and attract the right Django talent in our latest blog: https://lnkd.in/dQXZiaDT #DjangoDevelopers #PythonDevelopment #WebDevelopment #CodersDev #HiringTrends #TechLeadership 

🚀 “Things Every React Developer Should Keep in Mind While Coding” -- Writing React apps is easy. -- Writing clean, scalable, and fast React apps — that’s where the skill lies Here are 10 habits that separate a good React dev from a great one 1️⃣ Keep components small and meaningful. 2️⃣ Manage state smartly — not everything belongs in Context. 3️⃣ Use React.memo, useCallback, and useMemo only when needed. 4️⃣ Avoid inline functions & deep prop drilling. 5️⃣ Clean up effects properly to avoid memory leaks. 6️⃣ Write reusable logic using custom hooks. 7️⃣ Follow ESLint + Prettier for consistent code. 8️⃣ Always handle loading, error & empty states. 9️⃣ Make your UI accessible (aria-labels, alt text, keyboard support). 🔟 Optimize bundle size with lazy loading & code splitting. ✨ Bonus Tip: The best React code is one your teammates can understand instantly. 👉 Follow Sharad kumar for daily doses of tech wisdom, corporate realities, and relatable IT life. 🚀 #MERNStack #ReactJS #NodeJS #InterviewPreparation #JavaScript #FullStack #WebDevelopment #SoftwareEngineer #Learning #Hiring #Jobs #FresherJobs #TechTalks #Software