POS System Architecture Fundamentals Building POS Systems · 3:16 Explore the core architecture behind reliable point-of-sale systems, including how local-first design keeps transactions flowing even when network connectivity fails and how data syncs seamlessly once a connection is restored.
Local-First Data & Offline Synchronization Building POS Systems · 3:17 Discover how to build resilient point-of-sale systems that keep running even when internet connectivity fails, using local storage, SQLite databases, and smart caching strategies to ensure uninterrupted operations.
Payment Terminal Integration & Security Building POS Systems · 3:18 Dive into the technical world of payment terminal integration, exploring how different hardware interfaces and protocols enable secure card transactions across EMV chips and magnetic stripes.
PCI-DSS Compliance in Code Building POS Systems · 3:31 A deep dive into PCI-DSS compliance for point-of-sale systems, covering the essential security standards and coding practices developers must follow to protect cardholder data, including encryption requirements and critical rules around what data can and cannot be stored.
Redux for Complex POS State Management Building POS Systems · 5:39 Discover how Redux tames the chaos of complex point-of-sale systems by centralizing application state into a single, predictable store. Learn how actions and pure reducer functions work together to bring order and traceability to your POS state management.
Multi-Channel Order Flow Coordination Building POS Systems · 3:34 Dive into the architecture of unified order management as multiple sales channels—mobile apps, kitchen displays, counters, and delivery platforms—work in perfect harmony through state synchronization to deliver a seamless customer experience.
Hardware Integration: Printers & Peripherals Building POS Systems · 4:14 Dive into the essential world of hardware connectivity as you explore how receipt printers and peripherals communicate with POS systems through serial, USB, and Ethernet protocols. You'll gain a foundational understanding of the commands and connections that keep retail hardware running smoothly.
CloudFormation for POS Infrastructure Building POS Systems · 3:24 Dive into the world of infrastructure as code as you learn how AWS CloudFormation can be used to define, provision, and manage the full stack of resources needed for a point-of-sale system, from load balancers to databases and auto-scaling groups.
Conflict Resolution in Distributed POS Networks Building POS Systems · 3:12 Dive into the complexities of keeping distributed point-of-sale terminals in sync when network connections drop, and discover how conflict resolution strategies like vector clocks, timestamps, and conflict-free data structures ensure data integrity when systems reconnect.