I’ve been thinking a lot about what “progress” really means as a frontend developer. For a while, I measured it by how many features I shipped or how many tools I learned. But lately, that definition has changed. With ~5 years in frontend, I’ve started paying more attention to how I build — not just what I build. So these days, my focus looks a bit different: – Breaking down JavaScript problems until the logic feels natural, not memorized – Writing React code that scales well, not just passes the requirement – Paying attention to performance, edge cases, and real user behavior – Treating UI as a system, not a collection of components I’ve realized growth at this stage is quieter. It’s in cleaner code, better decisions, and fewer “quick fixes.” Currently spending time sharpening these fundamentals and being more intentional with the kind of problems I solve. Also open to opportunities where I can contribute meaningfully and continue evolving with a strong team. What’s something you’ve recently started looking at differently in your work? #frontenddeveloper #ReactJs #JavaScript #FrontEndDeveloper #WebDeveloper #UIDeveloper #OpenToWork #frontenddeveloperjob #JobSeekers

If you are a good software engineer, answer these 35 questions, tell us in the comments. ✅ JavaScript and ReactJS (Front-End) - What is the difference between var, let, and const in JavaScript? - How does the JavaScript event loop work? - Explain closures in JavaScript with an example. - What are promises, and how do they differ from async/await? - What is the difference between shallow and deep copying in JavaScript? - Explain the difference between == and === in JavaScript. - What is the virtual DOM, and how does React use it? - Explain the purpose of React hooks. How does useEffect work? - What is the difference between controlled and uncontrolled components in React? - What is the significance of key props in React lists? ✅ NodeJS and Backend Development - What is event-driven architecture in NodeJS? - How does NodeJS handle asynchronous operations? - What are middleware functions in ExpressJS? - How does authentication work in NodeJS? Explain JWT vs. OAuth. - What are WebSockets, and when would you use them? - What is the difference between monolithic and microservices architectures? - How does NodeJS handle memory management? ✅ Databases and System Design - What is the difference between SQL and NoSQL databases? - How does indexing work in databases? - What are ACID properties in a database? - How would you scale an API to handle millions of requests per second? - Design elevator system - Design a parking lot - What is caching, and how does it improve performance? - Design a rate limiter - Design a logging system - Design a pastebin/ code sharing app ✅ DSA - Given an array, find the maximum sum of any contiguous subarray. - Find the first non-repeating character in a string. - Detect if a linked list contains a cycle. - Merge k sorted linked lists into one sorted list. - Given an array and a number k, return the max in every sliding window of size k. - Return the longest palindromic substring in a given string. - Place k cows in n stalls to maximize the minimum distance between any two cows. - Given course prerequisites, determine if all courses can be finished. #softwareengineer #FrontendDeveloper #Hiring #JobSearch #WebDevelopment #InterviewPrep #TechJobs #OpenToWork #Coding #LinkedInNetworking #CareerGrowth #jobs

𝗠𝗼𝘀𝘁 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝘁𝗵𝗶𝗻𝗸 𝘁𝗵𝗲𝘆 𝘂𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝘁𝗿𝘂𝘁𝗵𝘆 & 𝗳𝗮𝗹𝘀𝘆… 𝘂𝗻𝘁𝗶𝗹 𝗧𝗛𝗜𝗦 𝗽𝗿𝗼𝘃𝗲𝘀 𝘁𝗵𝗲𝗺 𝘄𝗿𝗼𝗻𝗴 😬 𝗢𝗻𝗲 𝗰𝗼𝗻𝗱𝗶𝘁𝗶𝗼𝗻… 𝘁𝗼𝘁𝗮𝗹𝗹𝘆 𝘂𝗻𝗲𝘅𝗽𝗲𝗰𝘁𝗲𝗱 𝗿𝗲𝘀𝘂𝗹𝘁 👇 Example: 𝑖𝑓 ("0") {   𝑐𝑜𝑛𝑠𝑜𝑙𝑒.𝑙𝑜𝑔("𝑇𝑟𝑢𝑡ℎ𝑦"); } 𝑒𝑙𝑠𝑒 {   𝑐𝑜𝑛𝑠𝑜𝑙𝑒.𝑙𝑜𝑔("𝐹𝑎𝑙𝑠𝑦"); } 🤔 What will be the output? A) Truthy B) Falsy C) Error 👇 Take a guess before scrolling! . . . . . . . . . ✅ Correct Answer: Truthy Yep… even "0" is truthy 😅 💡 𝗪𝗵𝗮𝘁’𝘀 𝗵𝗮𝗽𝗽𝗲𝗻𝗶𝗻𝗴? In JavaScript, values are automatically converted to 𝘁𝗿𝘂𝗲 𝗼𝗿 𝗳𝗮𝗹𝘀𝗲 in conditions. 👉 This is called 𝗧𝗿𝘂𝘁𝗵𝘆 & 𝗙𝗮𝗹𝘀𝘆 𝘃𝗮𝗹𝘂𝗲𝘀 But here’s the catch 👇 ◦ "0" is a 𝗻𝗼𝗻-𝗲𝗺𝗽𝘁𝘆 𝘀𝘁𝗿𝗶𝗻𝗴 ◦ And all 𝗻𝗼𝗻-𝗲𝗺𝗽𝘁𝘆 𝘀𝘁𝗿𝗶𝗻𝗴𝘀 𝗮𝗿𝗲 𝘁𝗿𝘂𝘁𝗵𝘆 So the condition runs → "Truthy" 𝗦𝗶𝗺𝗽𝗹𝗲 𝗘𝘅𝗽𝗹𝗮𝗻𝗮𝘁𝗶𝗼𝗻: JavaScript treats some values as 𝗳𝗮𝗹𝘀𝗲 (𝗳𝗮𝗹𝘀𝘆): ◦ false ◦ 0 ◦ "" (empty string) ◦ null ◦ undefined ◦ NaN 👉 Everything else is truthy ✔️ "0" → truthy ✔️ "false" → truthy ✔️ [] → truthy ✔️ {} → truthy 🔑 𝗞𝗲𝘆 𝗧𝗮𝗸𝗲𝗮𝘄𝗮𝘆𝘀: • Only 6 values are falsy in JavaScript • Non-empty strings are always truthy • Be careful in conditions — looks can be misleading 🔥 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗴𝗲𝘁 𝗶𝘁 𝗿𝗶𝗴𝗵𝘁? 𝗢𝗿 𝗱𝗶𝗱 𝘁𝗵𝗶𝘀 𝘀𝘂𝗿𝗽𝗿𝗶𝘀𝗲 𝘆𝗼𝘂? Comment your answer 👇 And save this — this causes real bugs in production 🚀 💡 Part of my #FrontendRevisionMarathon — breaking down frontend concepts daily 🚀 🚀 Follow Shubham Kumar Raj for more such content. #JavaScript #WebDevelopment #Frontend #CodingTips #100DaysOfCode #codinginterview #learnjavascript #programming #interviewprep #CareerGrowth #SowftwareEngineering #OpenToWork #ReactJS #FrontendDevelopment #Coding #Hiring

𝐌𝐨𝐬𝐭 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬 𝐚𝐫𝐞 𝐮𝐬𝐢𝐧𝐠 𝐍𝐞𝐱𝐭.𝐣𝐬… 𝐛𝐮𝐭 𝐟𝐞𝐰 𝐚𝐫𝐞 𝐮𝐬𝐢𝐧𝐠 𝐢𝐭 𝐑𝐈𝐆𝐇𝐓 𝐰𝐢𝐭𝐡 𝐍𝐞𝐬𝐭𝐉𝐒. I’ve been building with Next.js + NestJS, and here’s the truth: 👉 Frontend without a solid backend = fragile apps 👉 Backend without structure = unscalable systems 👉 But combining both properly? That’s where things get powerful. 𝐇𝐞𝐫𝐞’𝐬 𝐰𝐡𝐚𝐭 𝐜𝐡𝐚𝐧𝐠𝐞𝐝 𝐦𝐲 𝐚𝐩𝐩𝐫𝐨𝐚𝐜𝐡: I stopped treating APIs as “just endpoints” I started building modular, scalable architectures I focused on type safety, performance, and real-world production patterns 𝐀𝐧𝐝 𝐡𝐨𝐧𝐞𝐬𝐭𝐥𝐲… 🔥 NestJS feels like what backend engineering should be. Clean architecture. Dependency injection. Enterprise-level structure - without the headache. 𝐂𝐮𝐫𝐢𝐨𝐮𝐬… Are you building full-stack apps the right way or just making things “work”? 𝗟𝗲𝘁’𝘀 𝘁𝗮𝗹𝗸: Are you team Next.js only or Next + NestJS? What’s your biggest backend struggle right now? 𝐈’𝐦 𝐜𝐮𝐫𝐫𝐞𝐧𝐭𝐥𝐲 𝐨𝐩𝐞𝐧 𝐭𝐨: Backend / Full-stack roles Collaborations Real-world projects where scalability actually matters If you're hiring or know someone who is - let’s connect 🤝 #NextJS #NestJS #FullStackDeveloper #SoftwareEngineering #WebDevelopment #TechCareers #OpenToWork #Developers #JavaScript #TypeScript

🚀 Just Launched My New Developer Portfolio 🔗 https://lnkd.in/dQnCekCD Over the past few weeks, I’ve been focused on building a portfolio that doesn’t just look good — but actually reflects how I think as a developer. 💡 What makes it different: • Recruiter Mode – a decision-focused view for quick evaluation • Deep-dive engineering sections for technical exploration • Interactive project showcases instead of static screenshots • Real-world system design thinking embedded throughout 🧠 My approach: I don’t just build features — I focus on how systems behave, scale, and fail. This portfolio is a reflection of that mindset. 🔧 Tech Stack: React • Next.js • TypeScript • Node.js • MongoDB If you’re a recruiter, developer, or just someone curious about building impactful products — I’d love your feedback 🙌 #Portfolio #WebDevelopment #ReactJS #NextJS #FullStackDeveloper #SoftwareEngineering #OpenToWork

Over the past few years working with React.js, one thing has become very clear to me: 👉 It’s not just about building components — it’s about building efficient and scalable applications. Recently, while working on a project, I was able to improve performance by around 35%. Not by adding new features, but by refining what already existed: Better component structuring Using React Hooks effectively Reducing unnecessary re-renders Optimizing API integration This experience reinforced an important lesson: 💡 Clean architecture + performance-focused thinking = better user experience Currently focusing on: Writing scalable React.js applications Improving performance and maintainability Building reusable component systems Always learning and exploring better ways to build with React 🚀 #ReactJS #FrontendDeveloper #WebDevelopment #Performance #JavaScript #Learning #SDE #SoftwareEngineer #OpenToWork

Knowing a framework doesn’t automatically make someone a senior engineer. You can know React, Next.js, and TypeScript well… But seniority usually shows up somewhere else: → How you approach architecture   → How you think through trade-offs   → How you handle performance issues in real projects   → How you debug problems when things get messy in production  Over time, I’ve realized this: It’s not just about how much you know. It’s about how you think, how you decide, and how you respond when the easy solution isn’t the right one. That shift changed the way I look at frontend engineering. Curious — what do you think separates a good developer from a senior engineer? #Frontend #ReactJS #SeniorEngineer #WebDevelopment #OpenToWork

💡 One lesson I learned as a Frontend Developer: Writing code that works is only step one. Writing code that is reusable, clean, and scalable is what creates real value. Recently, while working on React projects, I realized small improvements like: ✅ Reusable components ✅ Cleaner state management ✅ Better folder structure ✅ Performance optimization ✅ User-friendly UI These changes save hours of future work and improve product quality. Still learning every day, one project at a time. #FrontendDeveloper #ReactJS #JavaScript #WebDevelopment #SoftwareEngineer #Learning #OpenToWork

30 days of posting as a full stack developer. Honest reflection. I started this challenge with one fear: that nobody would care about the technical details. I was wrong. The posts that performed best weren't the ones that showed polished projects. They were the ones that showed the problems — the MetaMask state bug, the Stripe webhook failure, the Angular SSR fix that took two days to figure out. People don't connect with perfect. They connect with honest. 3 things I'll keep doing: → Every post ends with a genuine question. Comments are gold. → Real metrics only. "It worked" is not a result. → GitHub link on every technical post. One click to proof. 1 thing I'm changing: → Less explaining what I built. More explaining what I was thinking when I built it. That's where the real value is. 30 days done. 120 to go. Still open to full-time and freelance Full Stack roles — and more energised about it than when I started. 🔗 github.com/yaxxhsri7444 🌐 https://lnkd.in/gHMpq9Hv 💬 What's the one posting lesson you wish you'd learned earlier? Open to full-time and freelance Full Stack development roles. #FullStackDeveloper #BuildInPublic #OpenToWork #WebDevelopment #Webinsio

Ever wondered what really happens under the hood when a React app runs? 🤔 At first, React feels like magic — you update state, and the UI just changes. But there’s a lot going on behind the scenes 👇 🔹 Virtual DOM It is a javascript object tree representing the UI 🔹 Reconciliation (Diffing Algorithm) When state or props change, React compares the previous Virtual DOM with the new one and figures out the minimum updates needed. 🔹 Efficient DOM Updates Instead of re-rendering everything, React updates only the parts that actually changed — making apps faster 🚀 🔹 Component-Based Architecture Everything is a component. Each component manages its own state, making code reusable and easier to maintain. 🔹 One-Way Data Flow Data flows from parent → child, which keeps things predictable and easier to debug. 🔹 Hooks & State Management With hooks like useState and useEffect, React tracks state changes and triggers re-renders when needed. 💡 The real power of React isn’t just rendering UI — it’s how efficiently it decides what NOT to update. Currently exploring frontend (reactjs) opportunities and open to work 👩💻 If you're hiring or know someone who is, feel free to connect! #ReactJS #FrontendDeveloper #OpenToWork #JavaScript #WebDevelopment #MERNStack