By implementing a first-come, first-served coupon system, you will solve core real-world backend challenges such as concurrency issues, data integrity, and peak traffic handling. You will discover problems by writing code yourself and gain hands-on experience with essential industry skills like synchronous/asynchronous processing and queue management. This is a project-based course designed for junior developers and job seekers to build practical experience.

This is a practical backend course designed to cultivate the service planning and design thinking skills that developers need in the AI era.

We'll complete one full cycle of a backend service using Spring Boot, MySQL, Docker, AWS EC2, and RDS. You'll gain a sense of accomplishment through application deployment, and learn about the problems server developers face in real-world API development and their solutions.