In January 2023, I contacted a friend of mine who runs a small but very successful burger restaurant. A problem he was facing was that due to being small in size, the restaurant could only hold limited stock, meaning from time to time he would sell out. This would leave customers disappointed when arriving to see the restaurant closed, and with no way to stay informed of the stock situation. Together, we came up with the idea of the Patty-O-Meter

The Patty-O-Meter is a fun and visual way for customers of squeezed to keep up to date with stock levels. It was built using JavaScript, PHP, MySQL, and I built my own API to represent a mock version of Zettle's API (POS System). It uses cron jobs to run scripts at specific times, and it uses something called poisson distribution to randomise the number of 'customers' that arrive in the shop and their orders. I used a UX design approach to ensure that we were indeed solving the right problem. I drew up empathy maps, wrote user journeys, sketched wireframes, designs and user flows which you can see below, alongside a conceptual model for the architecture of the app.