Scope and constraints
Since the task of updating the entire app was very large, I broke it apart into visual design updates and interaction design updates, mapping out requirements and timeline in a document. I chose to focus on updating the visual design first before diving into any interaction flows, since this would make a large impact and would give me a framework to build upon.
Previously, very little had been documented. It was clear that we needed to establish guidelines, but a full-fledged design system can mean a significant time investment. As the sole designer working with a single engineer on the project, our resources were limited, so I focused on scoping things to meet our specific needs.
A Sketch document shared via Google Gallery would effectively communicate design guidelines across the product and engineering teams—comprehensive enough to provide consistency to the product, but lightweight and flexible enough to extend in the future. I relied on native patterns when possible, communicating with engineering to understand feasibility and time estimates.