• Refactored a core component to SwiftUI under tight deadlines, enabling future development

• Shipped the Biological Age feature, implementing key functionality with a cross-platform team

• Launched Genetic Health Reports and Weight Types health modules, boosting weekly actives

• Removed deprecated APIs, cutting Xcode warnings 40% and improving CI stability

• Developed a complete testing strategy necessary for the app to obtain FDA medical certification

• Worked closely with stakeholders and prototyped the app for the visionOS platform using RealityKit

• Implemented a set of unit and integration tests, increasing code coverage from 13% to 62%

• Automated dozens of BDD scenarios, reducing manual testing efforts by 25%

• Led the development of an iOS app from conception, taking charge of the entire process

• Set up 3–env CI/CD (dev / QA / prod), slashing release cycle time to mere hours

• Proactively shaped product vision and direction through frequent stakeholder meetings

• Oversaw and led a mobile team to ensure efficient collaboration

• Implemented a cache module to enhance app performance, resulting in a 50% improvement

• Built a modular subscription-UI switcher for rapid A/B tests

• Took a leading role in resolving the app’s initial rejection with the App Store Review Team

• Developed a component enabling sending and storing app logs using silent push notifications