The latest articles on DEV Community by Arpit Kumar (@arpit_kumar_e10444dfae9fc). https://dev.to/arpit_kumar_e10444dfae9fc https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4050057%2F1b0410ee-09b8-4f33-9a1f-e60c3c0245ea.png https://dev.to/arpit_kumar_e10444dfae9fc en Arpit Kumar Mon, 27 Jul 2026 19:03:34 +0000 https://dev.to/arpit_kumar_e10444dfae9fc/how-i-built-an-ai-powered-learning-platform-for-engineering-students-using-react-nodejs-and-4pi9 https://dev.to/arpit_kumar_e10444dfae9fc/how-i-built-an-ai-powered-learning-platform-for-engineering-students-using-react-nodejs-and-4pi9 <p>Engineering students often rely on multiple platforms for learning—one for coding practice, another for previous year questions, another for notes, and yet another for interview preparation.</p> <p>I wanted to see if these could be combined into a single AI-powered platform. That's how <strong>Codrex.online</strong> started.</p> <h2> The Idea </h2> <p>The goal wasn't just to create another learning website.</p> <p>I wanted to build a platform where students could:</p> <ul> <li>Practice GATE CSE Previous Year Questions</li> <li>Generate AI-powered quizzes</li> <li>Participate in timed contests</li> <li>Practice coding</li> <li>Prepare for technical interviews</li> <li>Read technical notes and blogs</li> <li>Track their learning progress</li> </ul> <h2> Tech Stack </h2> <h3> Frontend </h3> <ul> <li>React.js</li> <li>Tailwind CSS</li> <li>Redux Toolkit</li> <li>Axios</li> </ul> <h3> Backend </h3> <ul> <li>Node.js</li> <li>Express.js</li> </ul> <h3> Database </h3> <ul> <li>MongoDB</li> </ul> <h3> Authentication </h3> <ul> <li>JWT Authentication</li> </ul> <h3> AI Features </h3> <ul> <li>AI-powered quiz generation</li> <li>AI-assisted interview preparation</li> <li>Performance insights</li> </ul> <h2> Challenges </h2> <h3> Organizing Different Learning Modules </h3> <p>One challenge was integrating multiple learning experiences into a consistent interface while keeping navigation simple.</p> <h3> Performance </h3> <p>As more features were added, optimizing API calls and reducing unnecessary re-renders became increasingly important.</p> <h3> User Experience </h3> <p>Instead of overwhelming users with features, I focused on making the learning flow intuitive and easy to navigate.</p> <h2> Current Features </h2> <ul> <li>AI-Powered Quiz Generation</li> <li>GATE CSE Previous Year Questions</li> <li>Timed Practice Contests</li> <li>Coding Practice</li> <li>AI-Based Interview Preparation</li> <li>Technical Notes</li> <li>Technical Blogs</li> <li>Performance Analytics</li> </ul> <h2> Lessons Learned </h2> <p>Building an educational platform taught me that writing code is only part of the process.</p> <p>Understanding user needs, improving the learning experience, and continuously iterating based on feedback are equally important.</p> <h2> What's Next? </h2> <p>Some features I'm planning to add include:</p> <ul> <li>Personalized AI learning paths</li> <li>Smarter analytics</li> <li>More programming languages</li> <li>Community discussions</li> <li>Additional engineering subjects</li> </ul> <h2> Final Thoughts </h2> <p>Building <strong>Codrex.online</strong> has been a rewarding experience and an opportunity to learn more about full-stack development, AI integration, and designing software for students.</p> <p>I'd love to hear your thoughts.</p> <ul> <li>What feature would you add to an AI-powered learning platform?</li> <li>What challenges have you faced while building educational products?</li> </ul> ai webdev programming codrexonline