Observability Engineering

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.

We will teach you everything from basic concepts to situational test writing methods and advanced testing knowledge so that you can master everything about front-end unit testing.

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)

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

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

With this course, you will be able to write clean and clear test code, exactly as it is developed in practice. This lecture is for anyone curious about why test code is necessary and what constitutes good test code.

Learn how to use Cypress to auto-login and auto-purchase features

Learn how to build web applications with TDD using Spring Boot. You will learn how to maintain developer productivity and build reliable web applications with TDD.

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.

In this course, you will learn NodeJS, which allows you to develop backends using the Javascript language, and develop API servers using NodeJS using the test-driven development (TDD) method. You will also understand the basic principles of ExpressJS, a representative web framework for NodeJS, and learn how to develop REST APIs used in mobile and web services.

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 course will help you gain more confidence in the code you develop by learning the basics of testing.

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.

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

Covers the basics of using Playwright, an end-to-end testing framework, and its core principles.