IntelliJ IDEA Conf 2025

All sessions from JetBrains JavaScript Day 2025 in one place! JavaScript experts from around the world gather to share their know-how, ideas, and insights gained from practical experience. Discover the latest information that will help you stay ahead in the rapidly evolving JavaScript ecosystem.

This course goes beyond simple trends, covering how to systematically learn to collaborate with AI tools, verify and improve output quality, and build and deploy applications from start to finish. Anyone can take this course, from developers interested in AI to team leaders looking to boost team productivity.

A global conference that Kotlin developers absolutely cannot miss! Experience all sessions from KotlinConf 2025, where Kotlin experts from around the world gather, with AI subtitles and dubbing in Korean, Japanese, and Vietnamese. From Kotlin Multiplatform to Compose, AI, and information about the latest tools, if you want to learn the latest Kotlin technology and practical know-how all at once, enroll now!

This is a course for job seekers / career changers preparing for coding tests in JAVA as backend developers. We analyze 195 actual exam questions to clearly explain the question types.

This is a [Backend, Resume Enhancement] class prepared for job seekers and junior developers.

From the basics of Java to its applications, learn with star instructor Young Codi Kim, who makes it easy for non-majors and coding beginners to understand, and the backend development series that you learn through practice.

In a world where all resumes look the same, 'differentiation' makes the difference in getting hired. Over 6 weeks, learn 4 practical resume strategies directly from a backend professional.

The Kotlin language is used in various places such as Android apps and servers. You can learn Kotlin easily through this course.

Android 15 Version App Development with Latest Material 3 Library Part 1 UI Programming Course.

Learn Springboot + Flutter RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with Flutter!!

Learn Springboot + ReactNative RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with ReactNative!!

This is a basic DFS lecture that explains the way a liberal arts major and working developer studied to get a job :) We have prepared a lecture where you can learn by solving problems yourself, with minimal boring theory lectures! After taking this lecture, you will be able to solve silver level DFS problems on your own according to Baekjoon standards.

OpenAI Practical Application Course, where you directly implement various AI functions such as text, image, voice, translation, and content review in a Java environment.

Learn Springboot + Android(Compose) RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with Android!!

Kotlin mastery via virtual payment server course.

This course will give you a quick overview of the combination of Kotlin and Spring by implementing simple functions.

Learn SAGA transaction management techniques for maintaining data consistency in distributed environments through hands-on practice. Build 3 microservices using Spring Boot and Docker, and implement both Orchestration and Choreography patterns with Kafka and MySQL. Through this course, you can master core concepts that are immediately applicable in real-world scenarios, including distributed transaction operation principles, compensating transaction design, and failure recovery handling.

What kinds of problems appear in coding tests these days? Solve “practical” problems yourself, reflecting the latest corporate coding test trends. We provide proven problems and solutions to effectively build your algorithm and problem-solving skills. (with Java)

Learn the process of application development/release/update all at once through the Android Brainwashing Classroom. Learn the basics of JAVA and learn the distribution and update process while actually building an Android app. Implement the core functions of In★Gram yourself through practice. You can get started even if you don't know programming.

A Java advanced project course for beginner developers who want to develop practical skills! We'll build a console-based kiosk ordering system together using Spring Core, JdbcClient, and H2 DB.

In this course, rather than directly covering theory, you will learn how to effectively use Redis in code through hands-on practice.

Knowing design patterns will make it easier to learn not only Spring but also many other technologies and programming languages. It will also help you develop more flexible and reusable object-oriented software.

Spring AI + JPA + MySQL Premium Reservation Agent Backend Development with 'Autonomous Behavior' Beyond Chatbots to Agents: The Definitive Guide to Tool Calling and Prompt Engineering