Retail-Tech Prototype with Offline Card and POS TestingRetail-Tech Prototype with Offline Card and POS Testing
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Goal: turn a retail-tech startup idea into a working prototype that can be shown to potential partners.
Solution: a customer web app with passwordless sign-in and an offline phone card, a shop console, and a point-of-sale integration tested end to end against a simulated till. It handles the awkward cases properly: cancelled sales, duplicate notifications, outages and refunds. 27 automated tests and a 12-step guided demo.
Impact: the idea went from documents to a tested, clickable product, ready for partner conversations.
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The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started