Application kit · Mobile & React Native

Caressa Arias — Senior Mobile & React Native Engineer

For teams building dependable iOS and Android products, especially where accessibility, release discipline, and platform-level work matter.

Download the Mobile & React Native résumé →Browse the full portfolio

Selected proof

Relevant case studies from the canonical portfolio.

Work

Senior Mobile Developer (Public Trust) · Excella · 2021–2024

Federal agency mobile app with on-device photo validation

Led the React Native architecture for a U.S. federal agency's iOS and Android application under strict compliance, as the sole mobile engineer.

React Native architecture
Native modules (Swift/Java)
On-device ML
Federal compliance
Release automation
Accessibility

Work

Senior Android Developer · Inland Empire Health Plan · 2019–2021

Modernizing an inherited healthcare Android app

Sole engineer for a government-funded healthcare Android application with 7k+ active users, inherited from third-party developers.

Legacy modernization
Sole ownership
Android & Kotlin
CI/CD automation
Production stability
Healthcare data

Work

Senior Engineer, Mobile & Frontend Lead · Olympiah · 2025

Shared architecture across web and mobile at an early-stage nonprofit

Brought an agency-built React and React Native codebase in-house and set its architecture, delivery, and engineering practices as the technical lead.

Technical leadership
Shared web/mobile architecture
CI/CD automation
Test-driven development
Mentorship

Start with the work

The case studies explain the decisions, constraints, and outcomes behind this application track. For the complete record, return to the canonical portfolio.