I’m expanding my current mobile application and need a brand-new feature built from the ground up. This is a medium-sized engagement: large enough to require solid planning and clean architecture, but focused enough that the scope stays clear and manageable. Here’s what I need: • Complete design and coding of the new mobile-app feature • Seamless integration with the existing codebase and backend APIs • Thorough testing (unit, integration, device) plus concise developer-level documentation I’ll provide repository access, UI guidelines, and a feature brief as soon as we start. You’ll suggest the best tech approach, keep your commits clean, and walk me through any decisions that affect performance or user experience. Acceptance criteria: the feature compiles without errors, passes agreed test cases on both iOS and Android, and is merged behind a protected branch ready for release. If you have a track record of shipping polished mobile functionality and can communicate progress clearly, let’s connect—this new capability is the next milestone on a growing app.