Success-Driven Web Frontend Portfolio 2025 (Practical Application)

This course is for those who are new to After Effects, and explains the overall usage method focusing on the most basic contents, and learns the basic process of motion work through simple tasks.

This course is a video lecture that covers essential development environment setup and basic VS Code usage for React.js and Vue.js frontend learning. It provides step-by-step guidance from environment setup to utilizing basic features that enhance productivity, with a focus on hands-on practice.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Learn Java programming language by solving 100 problems. The entire course consists of 5 parts. In this course, Part 5, you will solve problems on topics such as certification (COS Pro Level 2), collections, and generic concepts.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Through this course, you can study short answer and descriptive questions from past practical exams for the Information Security Engineer.

This is an introductory course on 3D graphic modeling using Autodesk Maya, a 3D modeling software. The course consists of four parts, and in this course, we will start with tool installation and learn the basic functions of Maya.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

This course is a **practical-focused lecture** that covers how to apply **conversational AI (ChatGPT, etc.)** to actual company work. Beyond simple AI usage methods, it is structured to enable learning of specific cases such as work automation, document creation, idea generation, and data analysis assistance that can be utilized in various departments and job environments. Through this course, learners will master methods to streamline repetitive and time-consuming tasks with AI, and experience smart workflows that collaborate with AI. Additionally, by understanding AI's strengths and limitations, it helps make correct decisions in actual business situations. Upon completing this course, you will be able to utilize conversational AI including ChatGPT as a tool to enhance work productivity, which will serve as an important foundation for securing competitiveness in future work environments.

Learn Java programming language by solving 100 problems. The entire course consists of 5 parts. In this course, Part 4, you will solve problems on advanced OOP concepts, abstract classes, and algorithms.

This course is a practical program designed to help you effectively utilize OA (Office Automation) programs in real life and work situations. Focusing on the core functions of representative office programs such as Word, Excel, and PowerPoint, we provide hands-on lectures that anyone can easily follow. Through this course, students will go beyond simple feature learning to develop practical OA utilization skills that can be immediately applied to various work situations, including document creation, household budget management, and presentation material production needed in daily life, as well as report writing, data analysis, and presentations in the workplace. Since we cover everything step by step from the basics, beginners can easily approach the material, and learners who already have experience can learn more efficient and professional utilization methods to increase work productivity and strengthen practical competitiveness.

This course is designed to provide basic knowledge for those who are interested in mechanical drawing and design, those who are aiming to obtain qualifications in the field, those who wish to advance into a related field, or those who wish to improve their expertise.

This lecture is designed to prepare for the Information Security Engineer written exam, and it will help you concisely summarize the core theories and strengthen your practical skills through problem solving. Take a step closer to obtaining the Information Security Engineer certification with analysis of past questions and practical preparation strategies.

Learn Java programming language by solving 100 problems. The entire course consists of 5 parts. In this course, Part 3, you will solve problems on the topic of functions and OOP.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this lecture, you will learn about data sorting, filters, and advanced part features such as DB relationships and rollup functions.

Notion's powerful and convenient database features allow even beginners to easily build a DB. In this course, you will learn about database concepts and related terms (tables, rows, columns, etc.), as well as the basic usage of the Notion database.

Learn the basic functions for 3D CAD work using AutoCAD.

This course is a hands-on program focused on learning the core syntax and application methods of frontend web programming and applying them to actual portfolio creation. Learners will progressively master everything from basic syntax including HTML, CSS, and JavaScript to the latest frontend technologies, directly experiencing the process of web interface implementation and dynamic functionality handling. Additionally, through various examples frequently used in practice, learners can naturally acquire efficient coding techniques and real development workflows. Through this course, learners will move beyond simple syntax memorization to understand the connected workflow from web page planning–design–implementation, and based on this understanding, they can complete their own portfolio. Furthermore, this course will serve as a solid stepping stone for growing into a frontend developer, providing great help as an introductory course for learners new to web development and as a practical supplementary course for those looking to build hands-on experience.

This course is an introductory program where you can systematically learn web standard coding methods. Learners will acquire fundamental knowledge necessary for web development and build a foundation for developing actual web programs based on this knowledge. Additionally, through coding methods that comply with web standards, you can aim to obtain certifications. It provides an opportunity to solidly prepare from the basics of web development to practical application.

Are you feeling anxious because you've only been following along and copying code? We’ve packed this with the core principles of how the web works and the criteria for choosing technologies, without just focusing on implementation. From foundational concepts to React 19 and Vite 7, we will help you draw the big picture for frontend development in 2026!

A lecture that allows you to clearly understand the basic concepts of React by learning with illustrations.

This covers asynchronous programming concepts and data communication optimization techniques for JavaScript developers.

This course is a comprehensive lecture where you can learn Flutter step by step, from the basics of dart programming to basic and intermediate Flutter features, even integrating with Firebase backend, all the way to actual projects!

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.