Application kit · Software Engineering

Caressa Arias — Senior Software Engineer

For product teams that need a senior engineer who can clarify an ambiguous problem, build the system, and make its delivery path reliable.

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Work

Contract Software Engineer · Macnew Consulting · 2026

Multi-tenant compliance governance platform

Sole engineer from PRD to production on a multi-tenant governance SaaS platform for a critical-infrastructure compliance domain.

End-to-end ownership
Data modeling
Application security
Authorization architecture
Workflow state machines
CI/CD & cloud

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

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