martin chibwe

Engineered automated UI test suites in Swift with XCTest and XCUITest, expanding core test coverage by 40% and cutting manual regression cycles from 5 days to 2. Built a reusable automation framework and integrated validation into CI/CD with Xcode Cloud and Jenkins.

Designed and launched the Bladder UI workflow in Swift and SwiftUI, reducing clinician setup time ~30% across point-of-care ultrasound workflows. Drove MVVM adoption, raising unit test coverage from 42% to 78% and lowering post-release defects by 35%.

Architected real-time messaging infrastructure integrated with Salesforce, improving user response time by 60%. Optimized asynchronous data processing with Swift Concurrency, cutting enterprise dataset load times by 45% and eliminating UI thread blocking.

Resolved critical production crashes affecting millions of DAU across the Gap and Old Navy apps, improving stability 95% via Instruments, Crashlytics, and root-cause analysis. Led modernization of legacy Objective-C modules to SwiftUI, reducing codebase complexity by 30%.

Owned feature delivery on a team of 5 iOS/Android engineers; introduced code review standards and mentored teammates, lifting development velocity by 30%. Shipped real-time video/audio playback with Swift, Objective-C, and AVFoundation, increasing in-app session duration by 22%.

Implemented UIAccessibility and VoiceOver support across core shopping flows, achieving WCAG 2.1 AA compliance. Built XCTestCase automation for accessibility validation, halving manual QA time and enabling 3× faster UI audits.

Resolved critical watchOS Bluetooth connectivity bugs in the Breathe2Relax app, restoring reliable device pairing. Implemented SQLCipher database encryption for patient-facing healthcare apps, ensuring HIPAA-compliant data protection.

Bachelor of Science in Computer Science from The Evergreen State College, completed in 2016.