For those who felt overwhelmed about where to start when building an equipment data screen, this course explains the concepts by reading real product source code. You’ll learn everything in one project, from visualizing plating furnace temperatures and prioritizing alerts to switching between Korean and English. Learn how to read the C2I v7.9 practical source code line by line, build it, and adapt it for your own project.

This course teaches you the latest Next.js v15 App Router while building a practical, Notion-based developer blog together. You’ll also gain various insights, including how to use Cursor AI.

Get familiar with Next.js by creating a personal blog with Next.js!

Developers, can you really succeed just by developing your development skills? Build your own brand that differentiates you from the crowd of developers along with your development skills, add soft skills, and be active in the development ecosystem.

Can you make extra money with a blog? That's all a scam. Have you ever made money with a blog? Or Do you know anyone who made money with a blog? If you're just planning to blog for a day or two, don't apply in the first place. Runt will sincerely tell you ways to make money, and will provide feedback on your questions through a separate KakaoTalk room.

Let's use React and TypeScript together by adding TypeScript to a web game made with React and React Router, Redux, and MobX.

Let's apply TypeScript to Node.js, add typings to existing npm packages, or create your own TypeScript library.

Feeling overwhelmed by writing? For those who sigh, unsure where to start when it's time to write, author Kang Won-guk, who honed the President's words and writings for 8 years, shares 'the core of true writing.' From self-introductions, reports, books, to blogs... We share expertise applicable to all your writing needs.

For developers who feel overwhelmed by writing their first technical article, this guide turns error notes into a complete piece and connects them to the next article with a template, checklist, and 30-day plan.

You can gain the ability to implement a chat program in just one hour using Next.js + Cursor IDE.

Supabase, the wings for your full-stack development! Through three clone projects, you will quickly learn how to perform professional-level full-stack development using Next.js 14 and Supabase.

A practical portfolio guide shared directly by a technical director who has reviewed more than 10,000 applicants. There is no such thing as a “portfolio that guarantees acceptance” or a “correct way to structure one.” This guide offers insight into how reviewers examine portfolios, what they look at to assess your skills, and what kinds of content leave them feeling fatigued. A portfolio is not simply about listing as many projects as possible or making it look flashy. The core of this course is understanding the process of clearly organizing and communicating what problems you solved and what you considered and chose along the way. Whether you are an experienced developer or a newcomer, this course will be helpful for anyone who has wondered how to organize and showcase their portfolio, blog, GitHub, and side projects.

If you don’t know why things keep breaking when you have AI do it, the problem isn’t coding—it’s telling it what to do without understanding “what’s happening.” I’ll teach you vibe coding by taking a web service with login and payments from scratch all the way to launching it on your own domain and getting it indexed by search engines, while understanding the context behind “What just happened?” at every step.

This course helps you understand the entire backend development process by building everything step by step, from an HTTP server to AI services. You will develop the ability to read and understand AI-generated code while learning core concepts such as servers, databases, HTTP, login, and deployment, along with practical applications of Node.js, Express, and NestJS through hands-on exercises.

Do you add type annotations, yet do invalid data still only blow up at runtime? This course, based on TypeScript 7, covers everything from designing domains so invalid states cannot compile in the first place to writing programs that run inside the type checker. You’ll build five CLIs yourself, and by the end, complete a compiler that compiles your own small language into JavaScript.

In this course, you will be able to create a Reddit website from scratch, step by step.

This is a highly concentrated Typescript grammar lecture that will turn you into a Typescript grammar expert with just one lecture, even if you don't know anything about Typescript.

JavaScript, TypeScript Next is backend development! You will be able to develop REST API backends using NestJS, develop and deploy Socket IO.

Even after learning the syntax, TypeScript can still be confusing when it comes to understanding how it works and grasping its concepts. Now, learn TypeScript properly! We’ll turn you into a TypeScript wizard🧙🏻‍♀️.

Completing an integration project between an API server built with Spring Boot (ver 3.4.x) and React 19 (with TypeScript)! Applying front-end to a back-end portfolio! A course written for working professionals (not a beginner-level course).