Senior Mobile Engineer

Hi, I'm CARLOS .

Flutter · iOS · Android

With over 5 years of experience in mobile development, I specialize in creating cross-platform applications that combine elegant design with exceptional functionality.

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Experience

Jul 2025 - Present 1 yr

Senior Mobile Engineer

Lynx Labs

Supporting the development of production mobile applications, focusing on feature delivery and collaboration within an established React Native codebase.

Contributed to new feature development in React Native for production mobile apps.
Worked within an existing codebase while maintaining code quality and delivery timelines.
Collaborated with other engineers to implement and refine mobile functionality.

React NativeReduxExpoFigmaGithub

Sep 2024 - Jun 2025 9 mos

Senior Software Engineer

Contollo Consulting

Led and supported multiple mobile products across different stacks, combining hands-on development with technical leadership and delivery ownership.

Acted as tech lead for a fundraising mobile application built with React Native.
Improved team workflows and code quality through reviews, guidance, and shared standards.
Refactored a legacy Flutter codebase for a real estate broker management app to reduce technical debt.
Delivered features across multiple mobile projects with a focus on stability and long-term support.
Set up and maintained CI/CD pipelines using Codemagic for Android and iOS deployments.
Collaborated with designers using Figma and FlutterFlow on a recreational vehicle (RV) inspection tool.

FlutterReact NativeFlutterFlowCodeMagicGithubApp DistributionBLoCRedux

Jun 2021 - Aug 2024 3 yrs 2 mo

Mobile Developer

Hello Iconic

Worked on consumer-facing and internal mobile tools, contributing to feature development, UI implementation, and long-term app stability.

Developed and maintained production features for an investment-focused Flutter application.
Built reusable Flutter UI components and translated Figma designs into production-ready interfaces.
Added features to an internal React Native tool used to support code building and development workflows.
Integrated Firebase services and third-party APIs to improve data handling and reliability.
Contributed to improved App Store and Google Play ratings through ongoing bug fixes and stability work.
Assisted with Android and iOS builds and store releases.

FlutterReact NativeFirebaseBLoCReduxClean ArchitectureApp Distribution

Jan 2021 - Apr 2021 3 mos

Flutter Developer

FREELANCE

Delivered Flutter-based features for a media-focused application, working directly with backend services and real-time functionality.

Implemented QR code scanning and API-driven list views in Flutter.
Integrated Firebase Authentication for secure user access.
Built live video playback functionality for real-time streaming content.

FlutterFirebasePostgreSQL

Professional Skills

The tools and platforms I use to ship production mobile apps.

Core Stack

Flutter & Dart iOS

Android

Firebase

Supabase

React Native

Tools & Workflow

CI/CD & Build

GitHub Actions

Codemagic

Azure DevOps Fastlane

Development Tools

Visual Studio Code

Cursor

Xcode

Android Studio

Version Control

GitHub & Git

Tools & Collaboration

Slack Jira Microsoft Teams

Linear

Featured Projects

QR Membership Mobile Client

Mobile app PoC to manage access with memberships via QR codes. Role-based feature access that will allow both clients and employees to use the same app for different purposes. #WIP

Dart Flutter Firebase Android iOS

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Hay Vara? - Expense Tracker

Hay Vara? is a production-oriented Flutter application for expense tracking across iOS, Android, and Web from a single codebase. The app follows feature-first Clean Architecture (data / domain / presentation), with Bloc for state, go_router for navigation, and get_it + injectable for dependency injection. Expenses are persisted locally with Drift, using platform-specific implementations (native SQLite on mobile, WASM + IndexedDB on web), and synchronized with a backend API through Dio when online. Other highlights include Firebase Auth (email/password), offline-first data flow with API fallback, i18n (English & Spanish via ARB), environment-based configuration, unit/widget tests, and a GitHub Actions pipeline for analyze, test, build, and Firebase Hosting deploy.

Dart Flutter Dart Frog Render Firebase

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