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Hi, I’m Sebastian Garcia, a Flutter developer with 5+ years of experience building cross‑platform mobile apps for Android and iOS. I specialize in MVVM/Clean Architecture, Bloc state management, and Provider for global state, delivering polished UI with Material Design. I enjoy collaborating with cross‑functional teams and taking ownership of features from concept to production.…

Sebastian Garcia

Front-End Developer, App Developer, Developer, +3

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Hi, I’m Sebastian Garcia, a Flutter developer with 5+ years of experience building cross‑platform mobile apps for Android and iOS. I specialize in MVVM/Clean Architecture, Bloc state management, and Provider for global state, delivering polished UI with Material Design. I enjoy collaborating with cross‑functional teams and taking ownership of features from concept to production.…

Available to hire

Hi, I’m Sebastian Garcia, a Flutter developer with 5+ years of experience building cross‑platform mobile apps for Android and iOS. I specialize in MVVM/Clean Architecture, Bloc state management, and Provider for global state, delivering polished UI with Material Design. I enjoy collaborating with cross‑functional teams and taking ownership of features from concept to production.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Spanish; Castilian

Fluent

Work Experience

Sr. Flutter Developer at Aptivist

April 1, 2025 - Present

Led development on GKPhotos App: implemented MVVM and Clean Architecture using Provider for structured state and data flow; handled network calls with Http and Futures; built UI with Material Design; integrated Camera and Image Picker for portrait, landscape, and thumbnail images; used Modular for navigation and dependency injection; authored unit and widget tests; collaborated via Bitbucket with PRs in an Agile/SCRUM environment.

Sr. Flutter Developer at R2 Dev Pros

July 1, 2024 - September 22, 2025

Atmos Mobile App: Flutter app for iOS/Android to support senior living staff with real-time emergency alerts and resident care. Implemented MVVM and Clean Architecture; managed code with Bitbucket; collaborated with cross-functional teams; maintained libraries; participated in Scrum ceremonies; built UI with Material Design; integrated Firebase notifications and Crashlytics; used Shared Preferences and Modular for DI; managed network calls with Http.

Sr. Flutter Developer at R2 Dev Pros

February 1, 2024 - September 22, 2025

Dasfit & Vemov Apps: Gym management Flutter app for managers, trainers, and clients. Led app development, defined architecture and patterns; integrated Material Design, multi-language support; used BLoC, Provider, Streams, and Phoenix for state/data management; secured local data with SharedPreferences and Flutter Secure Storage; handled permissions, image loading via network, and DI with Modular; collaborated with QA, backend, design, and product teams; published to Google Play and App Store.

Sr. Flutter Developer at R2 Dev Pros

September 1, 2023 - September 22, 2025

Vemple App: Android POS-like app for sales management by independent businesses. Led development, mentored team members, integrated SCRUM processes, and ensured timely sprint delivery; implemented geolocation, multilingual support, and secure local data; collaborated with QA and design teams.

Flutter Developer at R2 Dev Pros

March 1, 2023 - September 22, 2025

CCC App: Internal Flutter app to track machinery usage, status, and maintenance. Implemented offline data flows with SQLite; built Material Design UI; collaborated with dev/QA to deliver within a 3-month window; focused on usability for on-site staff and offline functionality.

Sr. Flutter Developer at Aptivist

April 1, 2025 - Present

Led Flutter development for GK Photo App, implementing MVVM/Clean Architecture with Provider, handling network calls via Http, building Material Design UI, and integrating camera/image picker features. Used Modular for navigation and DI; contributed to testing and PR workflows in Agile/SCRUM.

Sr. Flutter Developer at R2 Dev Pros

July 1, 2024 - September 22, 2025

Developed iOS/Android Flutter apps for senior living, managing real-time emergency alerts and resident care flows. Implemented MVVM/Clean Architecture, integrated Firebase (Notifications, Crashlytics), and managed state with BLoC/Provider; collaborated with cross‑functional teams and published to Google Play and App Store.

Sr. Flutter Developer at R2 Dev Pros

February 1, 2024 - September 22, 2025

Led gym management app development; defined architecture, integrated Multi-language support, and used BLoC/Streams/Provider with Modular for DI/navigation. Worked on offline functionality with local storage, image loading pipelines, and cross‑platform builds.

Project Manager at R2 Dev Pros

September 1, 2023 - September 22, 2025

Managed the Vemple App project, coordinating developers, QA, and client communications in SCRUM. Led team of 5, ensured timely sprint delivery, maintained documentation, and aligned cross‑functional teams to project goals.

Flutter Developer at Consolidated Construction Company (CCC) App

March 1, 2023 - September 22, 2025

Developed internal tooling for machinery operations tracking using Flutter; implemented custom Material layouts, offline data storage, and integration with backend services. Collaborated with QA and backend teams to deliver within a 3‑month window.