Essential Backend Concepts You Must Know When Coding with AI ①

In this course, you will learn how to quickly develop a backend API through a Sajoo Manse Calendar service practice. It covers ExpressJS, Sequelize (ORM), MySQL, JWT, DB and API design, and HTTP communication.

Does game backend development feel daunting and vague? With know-how gained from firsthand experience with numerous projects, I will show you how to perfectly integrate complex Firebase features into actual games. We will connect Firebase to a Unity 6 Watermelon Game to implement online features such as login, cloud database (Firestore) save/load, rankings, bulletin boards, and mailboxes. This is a practical course that also covers security rules, Remote Config operations, and code design based on a layered architecture (UI, logic, and data access).

I have created a course titled 'Introduction to MySQL Performance Optimization & Practice (SQL Tuning Edition)' that is easy for non-majors to understand and can be applied immediately in practice!

Messy code, a flood of requirements... If you're looking for a breakthrough with AI, Learn how to become a "high-performing developer" by leveraging AI in legacy environments, taught by the former VP of Engineering at Toss Payments. Legacy code isn't going anywhere, even in the age of AI. It’s no exaggeration to say that every company has legacy code, unless they were founded today. So, how should we utilize AI in this reality? In this course, the former VP of Engineering at Toss Payments, who led a large-scale payment service organization, demonstrates firsthand how to work effectively using AI in legacy environments. This isn't just a course about how to use AI or basic coding skills. The goal is to help you develop your "critical thinking" as a developer and truly understand what it means to work effectively.

This is a curriculum full of Captain's personal feelings, an 8-year full-stack developer who fell in love with coding. It is filled with Captain's desire to teach everything about the backend! As you listen to this lecture, you will find yourself thinking, 'Does he really teach this much?' Let's start with this lecture that thoroughly explains even the parts that everyone finds difficult.

[TPC DB!] A course that allows you to learn database modeling while thinking, learn database modeling step by step, and master everything from database modeling to web programming implementation all at once.

Learn the easy and fun story of SQL Server operations from a Microsoft Certified Trainer! We explain core operational technologies that you can learn and use right away, and that are truly needed in the field, step by step so that even beginners can easily understand.

Have you ever had a hard time because you didn't understand IT infrastructure (server, network, storage, etc.) technology? Do you want to understand how IT infrastructure is structured and what technologies are applied? This is the only lecture in Korea that explains the various technologies that make up IT infrastructure!

Through this course, you can prepare for the AWS Certified Cloud Practitioner certification and learn about general cloud concepts and AWS services.

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

Spring Web Programming learned while creating a calendar (schedule management)! Completely master Spring with examples you can use right away, not just short snippets~

Learning about various communication techniques and understanding their differences helps you develop the ability to select and implement the most appropriate communication method.

Hashing, salting, JWT, symmetric and asymmetric keys, and even HTTPS and TLS. The backbone of security that we use every day yet always found vague and unsettling. If we have to face the countless neglected threats and technical debt someday, let’s properly tackle them once and for all this time.

This is a course where you study core major knowledge such as network, multi-threading, and operating systems, and learn MMORPG technology by building a game server from scratch.

Channel Talk interviewers directly analyze the differences between unsuccessful and successful answers to the same questions and prepare you for follow-up questions in the actual interview.

Welcome to AWS? First Time? Let's learn together, from the basics of modern web systems to cloud deployment. It's not just simple AWS usage or following along with code; you can learn deeply how even difficult CS concepts are applied in the Cloud!

This course covers essential content that C# application developers with 0.5 to 3 years of experience must know.

You can learn the skills and know-how needed to improve work efficiency by utilizing Open API and Python.

Starting with java.io, you can learn how to develop high-performance input/output systems based on NIO and NIO.2. Most importantly, the moment you master file I/O, we'll enable you to master high-performance server development as a bonus!

This course goes beyond basic CRUD-level database usage, helping you develop the PostgreSQL skills needed in the AI era from a practical, real-world perspective. Drawing on AI development experience in Silicon Valley, you’ll gradually learn how to design and use JSON, indexes, transactions, and pgvector in actual services, while gaining the skills to solve complex data structure and performance problems.