Owned the Charts architecture across the entire iWork suite, driving features, bug fixes, performance improvements, and system level integrations across iOS, macOS, visionOS, and Web

Led cross-functional delivery of major UI and graphics features including 10 plus custom iOS controls and a new Radar Chart built with Core Graphics and deployed across multiple platforms

Played a key role in the Vision Pro launch, contributing to Keynote, ensuring binary compatibility for Numbers and Pages, and adapting apps to new hardware and system frameworks

Modernized a large Objective-C/C++ codebase by integrating Swift, enforcing clear module boundaries, and replacing private SPI usage with public APIs across 10 plus teams

Led delivery of 20 plus core POS features including sales, returns, voids, and payments using Swift

Designed resilient systems with offline support, failover networking, and secure CSR and SSL certificate handling

Ensured reliable production releases, improved CI pipelines in Jenkins, and unblocked developers through technical troubleshooting

Architected reusable, maintainable software and implemented contract testing to ensure microservices reliability

Built and enhanced Splunk and New Relic dashboards for monitoring, visibility, and production stability

Contributed to the development of a production iOS point of sale system using Swift and Objective-C

Designed and delivered responsive front end features while collaborating with UI and UX teams in an agile environment

Built resilient networking for high latency environments and implemented hardware state machines to ensure correct device behavior

Applied design patterns and protocol driven development to create reusable, maintainable architecture

Strengthened reliability through CI integration, version control, mock data, and unit and functional testing with XCTest

Developed unit tests using agile methodologies against existing Breathometer frameworks and libraries. (iOS/Android)

Built an iOS application with automated execution using a web relay that mimicked the Breathometer and ran results against unit tests

Prototyped Breathometer Apple Watch App

Set up automation system for monitoring code changes with a unit test notification system (CI/Jenkins)

Instructed student how to build iOS app to command, control, and visualize data from a bluetooth headset, Neurosky, a wearable device that reads brainwave activity (Objective-C)

 Instruct students how to use Google Maps Javascript API to develop a GeoFinder game

Taught student to animate one play Ping Pong game using p5.js animation library