[Backend/Exception Handling Scenario/Aggregation Optimization] Backend Portfolio and Practical Experience Enhancement Strategy. All-in-One PART1

Let's improve performance by utilizing the basic technology stack! After the improvement, we will check the changes through load testing and monitoring tools! We will also prepare for interviews on each topic!

I will share all the trials, errors, and know-how I experienced on my journey from being a manufacturing web developer to becoming a back-end developer at a commerce/K company portal service company. Don't you all go through the same trials and errors!

I will share all the trials, errors, and know-how I experienced on my journey from being a manufacturing web developer to becoming a back-end developer at a commerce/K company portal service company. Don't you all go through the same trials and errors!

100% document pass rate in 2024 (/feat. NECARAKUBESAMHYUNSKEL) How to write a career skills document to promote yourself

This is the first lecture of Clean Spring, a lecture series designed to allow a hypothetical startup development team to experience, in a manner similar to actual work processes, the process of developing quickly, stably, flexibly, and with good maintainability by incrementally following Clean Code and Spring development principles. By utilizing Domain Model Pattern and Hexagonal Architecture, you can acquire necessary skills and development strategies in the domain-centric initial development phase.

A course that helps you understand core database concepts and practice explaining them verbally in interviews

This is a must-have lecture for those who want to become a product designer or are preparing for a UX job/job change! We will teach you from project selection to chart planning/design based on real-life experience to create a portfolio with problem-solving skills.

DGS - Netflix's Choice Over REST! Let's learn how to easily and powerfully leverage GraphQL in Spring Boot with the framework that Netflix actually uses to handle massive traffic! 🔥

Provides tips for creating a resume that will stand out to interviewers. Provides guidelines for a good portfolio through job postings.

[2026 Latest Edition] Discover everything from essential practical skills to job-hunting know-how for entry-level to junior content marketers!

This course is a practical-focused learning program for JWT-based token authentication and security enhancement techniques that are essential in modern web service environments. Using Spring Boot 3, Spring Security 6, and React, you'll implement secure login systems and cover comprehensive security practices including XSS·CSRF countermeasures, HTTPS implementation, token reissuance and revocation strategies, and secure secret key management. Additionally, you'll practice real service-level environment configuration through AWS build·deployment and performance optimization using Redis, and the complete project source code provided in the course can be directly applied to real-world work.

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

Create your own visual novel game using React, Javascript, SpringAI, and Springboot. Learn how to make a web-based visual novel game with SpringAI and React! Neo + Essential

* In-house Service Planner & Product Manager Introduction Course * A course where you can build your portfolio while taking classes

A course that helps you understand core Java and Object-Oriented Programming (OOP) concepts, and includes practice explaining them verbally in interviews

What does a portfolio that demonstrates problem-solving skills look like? Are you curious about ideas for creating a portfolio easily and quickly without much effort? You can learn more through real-life examples such as Younghwa's portfolio and student case studies.

Based on problems from major game companies like Nexon, NC, Krafton, and Netmarble, this explains essential C++ concepts and problem-solving skills that job seekers and career changers must know. Pass technical tests and interviews in one go with 10 years of actual exam questions.

Did you give up while studying Spring? Even complete beginners new to coding and non-majors can make it from JSP to Spring Boot without giving up - we'll open the path to Spring Boot for you.

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

Explaining how to connect to a Python-based AI web server using FastAPI from a Spring Boot project.

Understanding Spring Boot + React.js Login (+Social) Service is a course designed to help you deeply understand the authentication flow between frontend and backend, by directly implementing a practical login system that includes JWT-based authentication and social login (Kakao/Google). The frontend is built on React.js, and the backend on Spring Boot, enabling you to learn step by step the practices used in real service environments, such as the Access Token + Refresh Token approach, user state management using HttpOnly Cookie and Redux, Role-based authorization, and social login integration.

I'll show you how to strategically create a portfolio. To get a job quickly, you need to create a portfolio that the 'interviewer' will like, not the design you want to do.