React.js + Node.js LoL戦績検索サイト作成

A practical course on easily building a super simple bulletin board with Spring Boot and React.js! This course focuses less on theory and more on hands-on practice, covering the web application development process for quick completion.

Understanding Spring Boot + React.js Login (+Social) Service is a course designed to help you deeply understand the authentication flow between frontend and backend, by directly implementing a practical login system that includes JWT-based authentication and social login (Kakao/Google). The frontend is built on React.js, and the backend on Spring Boot, enabling you to learn step by step the practices used in real service environments, such as the Access Token + Refresh Token approach, user state management using HttpOnly Cookie and Redux, Role-based authorization, and social login integration.

Beyond simply using Express.js, this lecture will have you directly implementing its internal engine from scratch to finish, allowing you to truly internalize the operating principles of a real server. You will directly build all of Express's components, such as routers, middleware, request-response objects, static file handling, and template rendering, from the ground up, providing an experience that fosters growth as a server developer.

Through this lecture, you can create a shopping mall website from scratch step by step.

This course goes beyond simply using Express.js. You will rebuild its internal engine from start to finish, gaining hands-on experience with the real principles of how a server works. By directly creating each component of Express—such as routing, middleware, request–response objects, static file handling, and template rendering—you will grow as a server developer and truly understand how a framework operates at its core.

You can learn the basics of React. You can organize HTML, JavaScript, DOM, Event, Object, Module, OOP, etc. related to React.

In this course, you will create your own React YouTube video site using the React framework and YouTube API. You will understand the basic concepts of React, learn how to structure components, and manage state. You will also learn how to use the YouTube Data API to retrieve external data, and understand how to process API responses to provide meaningful information to users. The goal is to create and utilize your own YouTube site.

This lecture is a lecture on the backend part of the [Web Development Full Stack Course] lecture series for training full-stack web developers. This lecture is based on the contents of the instructor's book <A Week Before Investing in a Node.js Project>.

Understanding Spring Boot + React.js Login (+Social) Service is a course designed to help you deeply understand the authentication flow between frontend and backend, by directly implementing a practical login system that includes JWT-based authentication and social login (Kakao/Google). The frontend is built on React.js, and the backend on Spring Boot, enabling you to learn step by step the practices used in real service environments, such as the Access Token + Refresh Token approach, user state management using HttpOnly Cookie and Redux, Role-based authorization, and social login integration.

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!

Did you give up while studying React? Even complete beginners new to coding and non-majors can find their way to React without giving up, from JavaScript all the way to React.

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!

In this course, you will not only learn the concepts of React and Node, but also learn how to practically create a website.

In this course, you will learn how to create a chatbot using the API provided by Google.

Claude + IntelliJ TodoList Development - Complete MCP Mastery Learn how MCP works perfectly by creating a TodoList with Claude and IntelliJ.

For over 15 years, Young Codi Kim, a star coding instructor, has been dedicated to coding education for elementary school students, high school students in IT software departments, university students in computer science, and job seekers without a major in the field. Now, you can experience Kim's easy and fun coding lectures not only offline but also online. With Young Codi Kim, who has trained over 500 front-end, back-end, full-stack, and web developers, your dream of becoming a developer will soon become a reality!

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.

You can learn HTML and CSS quickly by directly cloning and coding the best shopping mall designs posted on Cafe 24. The course is structured so that you can learn the basic theories of HTML + CSS and complete the shopping mall design through direct cloning and apply what you learned in the theory, and solidify the framework of HTML and CSS.

We will apply it in practice by crawling sites such as Naver, Amazon, Twitter, YouTube, Facebook, Instagram, and unsplash.com.

You can improve your mobile web production skills, which are the most competitive in publisher employment and publisher practice. As a publisher, you can hone almost all production methods and know-how for producing mobile web. In particular, we have explained in detail the process of working on mobile web UI design with Figma, so that you can cover a large part of the design skills required of publishers and developers these days by learning Figma. In the mobile web publishing class, we explain in detail the detailed method of writing HTML wireframes, which is the strongest part of the class. Through the lecture, your HTML wireframe production skills will be greatly improved. Mobile web publishing is a learning process that perfectly matches the layout for mobile and tablet using CSS variables (Var), so that you will have the ability to work on practical tasks that are similar to real work. You will gain sufficient intermediate to advanced CSS practical skills, focusing on Flex layout.

I will share all the trials, errors, and know-how I experienced on my journey from being a manufacturing web developer to becoming a back-end developer at a commerce/K company portal service company. Don't you all go through the same trials and errors!

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