Design a Payment Queue | System vs Software

Опубликовано: 18 Май 2026
на канале: Code Journey
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Today we design a payment queue module to add to an existing system to handle a waiting room with customers. This is a real, yet simple, use case I found useful to share some notions and the process of understanding use cases and design.

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Timestamps:
0:00: Introduction & Problem
3:54: What we want to build
5:39: Designing the solution
9:29: Edge Cases

Feel free to ask any question on the comments below or you can reach out to me on my twitter:   / mattcodejourney  

Check out my blog for more content about Web Development and Software Engineering here: https://www.codejourneyclub.com/

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Tags
Design
Code Design
Use Case
System
Software
Design Software
Real Use Case