Complete a project integrating an API server built with Spring Boot (Spring Boot ver3.4.x) and React 19 (with TypeScript)! Apply a front-end to your backend portfolio! A course designed for working professionals (not for beginners).

Traditional React development and Next.js development are completely different approaches. This course penetrates the core of the latest Next.js 16 and teaches you the 'real' Next.js way of development. Experience how to achieve both performance and efficiency, from job portfolio projects to real-world projects. Let's develop the Next.js way! The course is structured to help you learn by doing, creating actual examples to understand how to apply Next.js features. You'll learn faster through actual code rather than theory, focusing on Server Components and covering Server Actions and caching strategies. Since the goal of the course is to catch up with the Next.js vibe as quickly as possible, the lectures are conducted using JavaScript. However, each lecture's examples are additionally provided as course materials created in TypeScript. December 18, 2025 - Updated to Next.js 16

What if you need to study Spring Legacy projects? What if you want to create XML configurations one by one? What if you need to apply Spring Security to a Spring project?

What if you need to study Spring Legacy projects? What if you want to create XML configurations one by one?

The ultimate full-stack course that teaches even beginners about web, server, mobile apps, and machine learning!! If you're not sure where to start with development, I highly recommend this course. It's all done with just Javascript!

Traditional React development and Next.js development are completely different approaches. This course penetrates the core of the latest Next.js 16 and teaches you the 'real' Next.js way of development. Experience how to achieve both performance and efficiency, from job portfolio projects to real-world projects. Let's develop the Next.js way! The course is structured to help you learn by doing, creating actual examples to understand how to apply Next.js features. You'll learn faster through actual code rather than theory, focusing on Server Components and covering Server Actions and caching strategies. Since the goal of the course is to catch up with the Next.js vibe as quickly as possible, the lectures are conducted using JavaScript. However, each lecture's examples are additionally provided as course materials created in TypeScript. December 18, 2025 - Updated to Next.js 16

In this course, I guide students step by step through the process of building a modern, responsive, and professional portfolio website using React JS, Bootstrap, RxJS, and Node.js. Based on real-world development experience, I focus on solving the most common problems students face when learning React: project structure confusion, component reusability, state management, animations, and deployment. Each concept is explained in a simple and practical way, then immediately applied to a real project so students can see how and why things work. By the end of the course, students will not only understand React concepts but will also have a fully functional portfolio website deployed online, ready to be shared with recruiters or clients.

This lecture is the final lecture in the [Web Development Full Stack Course] lecture series for training full-stack web developers, and is a lecture on portfolio project development. By synthesizing everything learned in [Web Development Full Stack Course], you will be able to understand what you have learned while developing an actual web application and directly apply the basic functions.

The real world is unforgiving. I will thoroughly pass on my optimization expertise through a meticulous mission system, showing you how to design smooth user experiences even in extreme environments where tens of thousands of real-time data points pour in. Go beyond simply writing code and leap forward to become an irreplaceable senior engineer who dissects performance through understanding engine principles.

In this course, I will guide you step by step through the process of building a complete, modern, and professional portfolio website using Next.js 14, React.js, Tailwind CSS, and Nodemailer. Based on my experience helping students understand complex front-end concepts, I focus on clear explanations, real-world examples, and practical implementation. Instead of just explaining theory, we build everything together—from project setup to final deployment—so you fully understand why and how things work. You will learn the core concepts of Next.js 14, including the App Router, file colocation, private and dynamic routes, navigation, layouts, metadata, and loading states. Once the fundamentals are clear, we will build a full portfolio website with dynamic content, smooth scrolling animations, downloadable PDF files, and call-to-action buttons driven by scroll state. By the end of the course, you will deploy your website on Vercel, publish the source code on GitHub, and confidently understand the difference between React routing and Next.js routing, while knowing how to build real-world, production-ready applications. No prior experience with Next.js is required.

We're building an AI-powered video conferencing application with real-time AI agents, meeting summary features, and post-call functionality.

A compass for beginners in web development, a guided lecture to discover what you don't know about web front-end and move forward systematically.

In the era of swift execution and validation, execute faster than anyone with VIBE Coding! Achieve complete monetization, from ads to payments, all by yourself.

Let's learn together the official React documentation that has been renewed in 2023.

💡 Even non-developers can go from startup MVP to monetized service in just 10 hours with AI! 💰 Development that used to cost tens of millions in outsourcing fees now completely solved for 120,000 won 🎯 Complete 5 real business projects including business card recognition, sentiment analysis, and location analysis 🔥 If you're a planner, marketer, or aspiring entrepreneur, implement ideas without developers ⚡ Start now and acquire lifelong development independence skills!

This is a mission content for a frontend project. We provide a PRD planning document, Figma design, and API endpoints so you can practice the project by implementing a timer app called DevTime yourself. Make the knowledge you've learned so far completely your own by implementing a project at a level similar to an actual service 🚀

This is a practical course where you will directly create a timer app using React, Electron, and Zustand, and even deploy it to cross-platforms (Windows, macOS, Linux). Starting with familiar React web development, you can learn the entire flow of desktop app development, including global state management via Zustand and final GUI deployment!

A portfolio-focused course on directly deploying React frontend and SpringBoot backend to AWS cloud! This course is helpful for those who want to quickly deploy frontend and backend projects to their portfolio! You'll be able to practice step-by-step in a short period the knowledge needed for deployment, from server setup to Docker, Domain connection, Nginx, and HTTPS implementation!

A Complete End-to-End Developer Journey — Build Lightning-Fast APIs, Modern Frontend Interfaces, Real Projects, Authentication Systems, Dashboards & Full Deployments Using FastAPI, React, and Vibe Coding Techniques.

This course goes beyond just using Express.js—you'll implement its internal engine from scratch to truly understand how real servers work. You'll gain hands-on experience growing as a server developer by building all of Express's components from the ground up, including routers, middleware, request-response objects, static file handling, and template rendering.

The goal is to acquire basic knowledge of React Native for mobile app front-end development. This course is designed to enable non-experts to easily develop native mobile apps by utilizing languages/APIs with low entry barriers.

This course will help you learn JavaScript through theory and practice. It explains step by step so that even beginners can easily understand. Part 2 covers JavaScript functions and events, types of functions, and core libraries.

Digital marketing that makes money, such as Naver Shopping and Coupang Partners, requires consistency, but you can approach it easily and effectively with scientific analysis and automation. We will teach you the key secrets of creating a program that collects and analyzes popular products, keywords, blogs, and shopping information.

This course will help you develop mobile apps that can be serviced on Android and iOS using web development.