Mobile App Developer

Mobile App Developer — Apex Digital Systems

Denver, CO | July 2023 – Present

• Led the development of a native iOS and Android retail application using SwiftUI and Jetpack Compose, achieving a 99.95% crash-free rate and lifting active monthly users by 34%.
• Re-architected the local cache layer using Core Data and Room, reducing offline data synchronization latency by 42% and eliminating data corruption issues for 85,000+ users.
• Automated the mobile CI/CD pipelines using GitHub Actions and Fastlane, saving the engineering team 8 hours of manual deployment effort per week across 2 platform targets.
• Integrated Google Analytics and custom telemetry events to analyze user checkout flows, implementing optimizations that decreased shopping cart abandonment rates by 16%.

Associate Mobile App Developer — Summit Software Labs

Boulder, CO | June 2021 – June 2023

• Programmed core user interface modules in Swift and Kotlin for a fintech application, improving rendering performance by 22% and average app launch time by 150ms.
• Collaborated with 4 product designers to build a shared Figma-to-code design system component library, cutting front-end development cycle time by 25%.
• Refactored legacy REST API networking clients to use asynchronous Swift Concurrency and Kotlin Coroutines, reducing battery drain by 18% during network operations.
• Resolved 140+ legacy memory leak tickets and layout bugs using Xcode Instruments and Android Profiler, reducing average memory usage by 85MB on older devices.

Swift, SwiftUI, Kotlin, Jetpack Compose, Objective-C, Java, React Native, Flutter, MVVM, Clean Architecture, Core Data, Room, SQLite, REST APIs, GraphQL, Firebase, Git, CI/CD, Fastlane, TestFlight, App Store Connect, Google Play Console

E-Commerce App Redesign

Role: Lead Mobile Developer

Tools: SwiftUI, Jetpack Compose, Firebase, Fastlane

Led the complete frontend modernization of a retail application, reducing checkout flow steps by 30% and increasing conversion rates by 18.5%.

Offline-First Logistics Companion

Role: Mobile Systems Engineer

Tools: Kotlin, SQLite, Room, Coroutines, Git

Architected an offline-first synchronization database schema, maintaining 100% data integrity for 12,000+ daily package deliveries with zero sync dropouts.

• Associate Android Developer (Google) (2022)
• Meta iOS Developer Professional Certificate (2023)
• Meta Android Developer Professional Certificate (2023)

• Languages: English (Native), Spanish (Conversational)
• Volunteer Work: Coding mentor for underrepresented youth at Denver Dev Club (2022–present)
• Availability: 2 weeks notice