• Architected and developed a unified cross-platform camera barcode scanning solution using React Native, iOS Vision API, and Android ML Kit, enabling shared scanning capabilities across across Shopify applications, eliminating code duplication and accelerating development

• Utilized Kotlin Multiplatform for critical hardware SDKs, establishing shared business logic across iOS and Android codebases while maintaining platform-specific optimizations

• Implemented hardware peripheral onboarding and connection flows in React Native, creating consistent merchant experiences across the retail POS ecosystem

• Integrated 10+ printer and scanner models with robust communication layers that handle connection management, error recovery, and multi-device scenarios supporting Bluetooth, USB, and WiFi/LAN connectivity protocols

• Engineered USB printer support for POS Hub by implementing custom API layer, enabling wired printer connectivity and expanding hardware compatibility for brick-and-mortar merchants

• Achieved 75% iOS print speed improvement through performance optimization of receipt rendering pipeline, enhancing checkout speed for high-volume retail environments

• Implemented accessibility features including JAWS (screen reader) support for POS Go devices, ensuring compliance with accessibility standards and expanding product reach to merchants with visual impairments

• Established comprehensive observability using Grafana dashboards for hardware devices, enabling data-driven debugging, performance monitoring, and alerts for SLOs

• Created custom native Modules in Swift and Java to deliver a highly performant ListView capable of scrolling 1 million items at 60fps without gaps or missing views

• Utilized Redux-Observable and RxJS to manage data streams that facilitate state throughout the application while maintaining performance and avoiding memory leaks

• Used RealmDB as frontend cache to realize fast fluid sorting and filtering of large datasets in iOS and Android mobile apps

• Implemented reactive navigation and state management paradigm for OLED display in Go

• Migrated entire mobile app codebase from react-native-navigation v1 to react-navigation v5

• Using a combination of RethinkDB’s changefeeds and Twirp’s super fast RPC interface to stream live media data from the GNARBOX to their mobile client for an instantaneous user experience

• Used CodePush to provide valuable over the air deployments to bring improvements and stability to users faster than standard platform app store releases

• Designed and implemented a custom Image Pan and Zoom solution fulfilling one of the most demanded customer feature requests

• Employed Bugsnag’s error monitoring to gain enhanced visibility and diagnostic related to defects in production

• Implemented a media manager component capable of displaying images, videos, and audio files with custom rapid file progression swiping

• Managed React Native client versioning to support all levels of backwards compatibility with out of date hardware

• Refactored React codebase with Recompose and Reselect to reduce unnecessary renders by 70%

• Implemented Higher-Order Components to enable dynamic and reusable UI for both mobile and tablet devices

• Achieved full end-to-end and unit testing coverage to ensure stability and consistency of mobile app codebase with Jest and Detox.

• Enable extensibility by using Go to format media partitions between exFAT and FAT32

• Performed multiple core React Native framework upgrades to provide stability, improved functionality, and increased developer experience

• Configured ESlint, Prettier, and git pre-commit hooks for static code analysis to ensure quality in mobile app codebase