This full-stack project tutorial guides you through building and deploying an AI-powered online resume builder web app using the MERN stack. The app allows users to sign up, create, edit, and share resumes with live preview and multiple templates. Key features include AI enhancements for professional summaries and job descriptions, image uploads with background removal using ImageKit, and resume management capabilities. The front end is built with React.js and Tailwind CSS, while the back end uses Node.js, Express, and MongoDB for data storage. The project is deployed on Hostinger VPS, with integration to Google Gemini AI for resume optimization. This step-by-step tutorial is ideal for learners aiming to gain hands-on experience with modern full-stack development, AI integration, and deployment.