• Built a multiplatform SwiftUI app from a shared codebase targeting iPhone, iPad, and Mac, maximizing code reuse across Apple platforms

• Integrated Firebase for backend data and authentication, handling asynchronous data flow between a live service and the UI

• Implemented interactive data visualizations with Swift Charts, including full light/dark mode support following Apple’s Human Interface Guidelines

• Authored Apple’s required App Store privacy manifest (PrivacyInfo.xcprivacy), demonstrating familiarity with current submission requirements

• Separated secrets from source using xcconfig files and template configs, following team-standard security practices

• Maintained the project across 100+ commits with disciplined Git hygiene (.gitignore, .gitattributes) and build automation scripts