A Solid Front-End Bootcamp for Full-Stack Developers (HTML, CSS, Vanilla JavaScript + ES6) [Full-Stack Part 2]

For those who want to learn data science, big data, and web scraping, (1) we summarize the most essential Python syntax in a short time, and (2) help you become familiar with Python and web scraping through practical scraping programming.

This course teaches the fundamental skills needed to learn the entire Python data analysis process for beginners in data analysis. As an e-commerce planner and developer who actively uses data analysis techniques in the field, I designed it to help you easily learn the full Python data analysis process and apply it right away.

Through this course, you will learn about SQL and databases, SQL syntax, database design for practical use, how to use databases through programming, and real-world applications of data analysis.

This is Part 1 of a roadmap course that neatly organizes, in a short amount of time, the essential computer science (CS) knowledge you need to excel at development and data. This course has also been used for years as an in-house course at top companies in Korea. Based on 20 years of experience in the field, ranging from systems software to web and app development and data science, this course systematically and thoroughly covers the core concepts you need to excel at development and data—while keeping them easy to understand.

Master intermediate-to-advanced SQL and build solid SQL data analysis skills by solving 101 real-world data analysis problems together.

This is a full-stack series aimed at beginners, with the goal of developing web and app services to a level that can be genuinely commercialized, based on real-world experience developing actual web services. As the first step (part1-1), this course provides an in-depth explanation of intermediate Python for full-scale development, backend implementation with Flask [플라스크], and essential web technologies such as HTTP, REST API, and the MVC pattern.

Learn NoSQL technology for handling big data, one of the fundamental technologies used in the full-stack and data science fields at modern startups. MongoDB is one of the easiest NoSQL technologies to learn and use quickly. In this course, you will learn the basics of MongoDB in a short time, as well as how to work with and utilize MongoDB using Python.

This course has been newly designed to help you gradually learn the mathematics and theory needed to understand deep learning, PyTorch-based implementation, transfer learning, and the core GPT Transformer, based on the instructor’s experience of struggling when first learning deep learning.

Based on the instructor’s experience of struggling when first learning machine learning, this course has been newly designed—unlike conventional courses—to help you understand machine learning easily and apply it to real-world problems.

A FastAPI course for modern full-stack and backend development that is easy to use and delivers high performance. It covers backend concepts step by step, the core syntax of FastAPI, and asynchronous database usage, all organized clearly through well-structured materials and projects.

This course covers everything from the basics of Dart programming to Flutter’s fundamental and intermediate features, and even integrating the backend Firebase to build a real-world project! It is a comprehensive course that lets you learn Flutter step by step.

This course is Part 3 of the Full-Stack course series, designed to help you thoroughly master the latest server technologies and Docker. To enable you to genuinely incorporate Docker into your tech stack, the course meticulously tests Docker’s various options, covers related technologies such as Linux that you need to understand for Docker, and is structured so that you can even build complex real-world services.

The "Learning HTML + CSS Properly: Complete Mastery from Beginner to Practical Application Part 1" course is designed to provide a deep understanding of how the internet and the web work, and to solidify the basics of HTML/CSS through a practice-oriented curriculum. By taking this course, you can firmly grasp the essential concepts of web development and immediately apply them to projects.

This course goes beyond simple DOM manipulation to provide an in-depth look at how to dynamically construct and respond to web UIs within real-world user interactions. It is designed to help you master common professional challenges by directly implementing the essence of the event system, bubbling and capturing, event delegation, real-time UX feedback, and performance optimization using throttle & debounce. Based on an understanding of the DOM tree structure, you will develop the ability to flexibly connect event flows with state changes.

This course systematically masters intermediate to advanced CSS techniques such as "CSS Position, Transition, Transform, Animation, Flexbox, Grid, and Responsive Web Design," and equips you with skills immediately applicable in real-world projects through various hands-on practice projects.

The ultimate full-stack course that teaches even beginners about web, server, mobile apps, and machine learning!! If you're not sure where to start with development, I highly recommend this course. It's all done with just Javascript!

Now you can enjoy the easy and fun coding lectures of Young Cody Kim, a current star lecturer who has devoted himself to coding education for over 15 years, targeting elementary school students, high school students in IT software departments, college students in computer science departments, and job seekers who are not majoring in the field, not only offline but also online. With Young Cody Kim, who has produced over 500 front-end, back-end, full-stack, and web developers, your dream of becoming a developer will soon come true!

"Next.js Master Class: Part 3 - Completing Real-World Architecture" goes beyond tutorial-level projects that only run locally; it is a guide to designing "real production" architectures capable of handling massive traffic. It covers all the core technologies used in the industry, from flawless state synchronization combining TanStack Query and Zustand, to Turbopack-based bundle optimization under 100KB, advanced SEO injection, and building ironclad full-stack security networks using proxies and JWT sessions. I strongly recommend this course to those who want to overcome tedious hydration errors and CORS barriers on their own, moving beyond being a simple coder to becoming a "Senior Architect" who commands the entire frontend system.

Using the ChatGPT API, develop a full-stack multilingual translator web application in just 30 minutes, and even if you know nothing about AI, try incorporating the latest AI (ChatGPT API) into your product!

💡 Even non-developers can go from startup MVP to monetized service in just 10 hours with AI! 💰 Development that used to cost tens of millions in outsourcing fees now completely solved for 120,000 won 🎯 Complete 5 real business projects including business card recognition, sentiment analysis, and location analysis 🔥 If you're a planner, marketer, or aspiring entrepreneur, implement ideas without developers ⚡ Start now and acquire lifelong development independence skills!

The ES6+ Understanding Course provides an in-depth introduction to the ES6 and subsequent standard ECMAScript specifications for JavaScript, with a theoretical foundation, and explains the differences from ES5, as well as the concepts and operating principles.

This course is a series of courses on functional programming and JavaScript ES6+, covering a variety of application cases.

This course goes beyond just using Express.js—you'll implement its internal engine from scratch to truly understand how real servers work. You'll gain hands-on experience growing as a server developer by building all of Express's components from the ground up, including routers, middleware, request-response objects, static file handling, and template rendering.

A practical production class on creating responsive web pages that can implement various layouts for each device using only pure HTML/CSS/JS without using Bootstrap [2024 Latest Edition].

We create a project site to create and distribute a psychological test site using only HTML/JS/CSS.

For over 15 years, Young Codi Kim, a star coding instructor, has been dedicated to coding education for elementary school students, high school students in IT software departments, university students in computer science, and job seekers without a major in the field. Now, you can experience Kim's easy and fun coding lectures not only offline but also online. With Young Codi Kim, who has trained over 500 front-end, back-end, full-stack, and web developers, your dream of becoming a developer will soon become a reality!

This is a revised version of a lecture on how to use Bootstrap to create responsive web pages that change layout depending on the device.

A three-in-one class where you can create web games and learn front-end web development skills! This class has been created to teach you how to create games using JavaScript, CSS, and HTML with your own ideas!

For those who are new to JavaScript, I have summarized the core grammar that modern JavaScript requires to know in a short and bold manner. Study the grammar in one go and finish it in a short and solid manner, and invest your precious time in creating something!

Learning by Doing: 정보처리산업기사 I have prepared everything for passing the 정보처리산업기사 course-evaluation practical exam.

Practical Web UI Development Using HTML & CSS-Based AI

This is a specialized practical exam lecture optimized for the Web Design & Development Craftsman (formerly Web Design Craftsman) practical exam, strictly adhering to the exam standards effective from January 1, 2025, to December 31, 2027. Coding Works' Web Design & Development Craftsman practical exam lectures, covering HTML+CSS+JQUERY publishing, are different. It includes fully produced instructional videos for all exam types (Types A, B, C, D, E, and F) for the 2026 Web Design & Development Craftsman exam.