NodeJS API Server Built with Test-Driven Development (TDD)

From HTTP basics to data requests, real-time communication, security, and performance optimization, learn the network knowledge web developers must know.

Now React truly starts to 'make sense'. Advanced concepts and Hooks, learn easily and accurately.

Master React now. Easiest course to grasp React's features & roles, comparing to pure JS!

I can understand pre-existing development environments. I can create a development environment from scratch.

You can learn intermediate Vuejs techniques (Vuex, Vue-Router, Http) through the process of implementing other web applications with your own hands. This is a lecture where you can also experience how to collaborate, as publishing results, API servers, and documentation are pre-configured.

Even if you create the same function, the code of a junior developer who has just learned JavaScript syntax and that of an experienced senior developer will be quite different. Of course, even if the results are the same. The reason the latter's code is recognized is because of its well-designed structure and scalability to respond to changes. This lecture will learn about how to create such good code.

We will learn VueJS development by creating a shopping mall search page using pure JavaScript and a UI library called VueJS. You can learn the differences between each development and the differences between MVC and MVVM design patterns by developing with pure JavaScript and VueJS respectively.

Since the front-end is where the user comes into contact, it is very important to test from the user's perspective, not the developer's perspective. Through E2E testing, verify that the user scenarios work normally and experience the transition from fear to confidence in your code!

A course to learn the latest Node.js backend REST API using fastify, a Node.js framework boasting high speed, ORM Prisma, and Typescript.

Test code! For those who are at a loss as to where to start, here it is. From writing tests to deploying through automation, all in one place!

If you are a student or developer who is using or studying the Java programming language, you will learn various methods of testing your applications that you must know.

By developing a simple ReactNative app using the TDD methodology, you will learn the concepts of TDD and practice applying them to ReactNative mobile app development.

Master the complexities of React development, including custom hooks, TDD, the context API, refactoring, and complex state management.

This is a recorded video of the TDD online live meetup held in July 2025.

This course is for anyone who is curious about developing test automation on Android and iOS devices. This course will enable you to perform automated testing on mobile devices.

This is a practical course where you can learn how to build a company website yourself using React, Node.js, and MongoDB. Let's build a full-stack project together with a basic background in React and Node.js!

We provide CodeTree past questions, as well as algorithms and tips for solving them. We use C++, but since we don't use libraries, those who use other languages can also take the course. (Python code provided)

In this course, you will practice step-by-step using React and FastAPI to implement social features like real-time voting, comments, and likes, as well as integrating payment systems (KakaoPay, TossPay, etc.) for monetization.

Software quality is a habit! This course will teach you how to become the best programmer that companies want.

This lecture explains unit testing, UI testing, and integration testing methods in Flutter based on the official documentation.

Even if you create the same function, the code of a junior developer who has just learned JavaScript syntax and that of an experienced senior developer will be quite different. Of course, even if the results are the same. The reason the latter's code is recognized is because of its well-designed structure and scalability to respond to changes. This lecture will learn about how to create such good code.

You will understand the present and future of AI technology, experience the testing process of AI models such as machine learning, and learn the role of a tester. You will comprehensively learn everything from establishing AI-based system test strategies to designing and executing test cases, and even methods for utilizing AI to support testing. This course is conducted based on ISTQB's AI Testing syllabus and provides an opportunity to perfectly prepare for the ISTQB AI Testing certification exam.

Learn the process of converting an existing legacy monolithic system to a microservice architecture through hands-on training. You will also receive code reviews from knowledge sharers up to two times!

This course covers the overall content of web servers required for game development using the latest ASP.NET Core (Blazor, WebAPI).

Based on real-world experience developing web services in the field, this is a full-stack series course aimed at helping beginners develop web and app services at a level suitable for actual commercialization. As the first step (part1-1) toward this goal, this course provides detailed explanations of intermediate Python, backend implementation techniques using Flask, and essential web technologies (HTTP, REST API, MVC pattern, etc.) for full-scale development.