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Alejandro Giubel Hernández Arbelo
Havana, Cuba
Senior Flutter Developer with 5+ years of experience delivering scalable, high-performance applications across Android, iOS, and web. Specialized in state management using BLoC and Riverpod, with a strong focus on building responsive, maintainable architectures and engaging user experiences. Thrives in remote environments, consistently delivering reliable and user-centric solutions.
CodersRank Score
What is this?
This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better
Information on how to increase score and ranking details you can find in this blog post.
2,293.6
CodersRank Rank
Top 1%
Based on:
1 events
Veteran
Developer
Dart
Top 1
Dart
Developer
Cuba
Top 1
Flutter
Developer
Cuba
Highest experience points: 0 points,
0 activities in the last year
Dart
1,276.7
exp.
List your work history, including any contracts or internships
Liontude. Design & Development of Applications
Sep 2022 - Apr 2026 (3 years 7 months)
Flutter developer
· Flutter app development and maintenance.
· Integration of APIs, and backend services (Firebase).
· Implemented authentication with social login providers.
· Integrated AdMob for in-app advertising monetization.
· Implemented In-App Purchases (IAP) for digital content and feature unlocks.
· Implementation of geolocation-based features.
· Internationalization with scalable multi-language and concurrent translations support.
· Developed a custom code-generation package for translation management.
· Implemented Text-to-Speech (TTS) and Speech-to-Text (STT) functionalities.
· Integrated and implemented audio playback functionality using an audio player.
· Built a custom plugin to render embedded text within HTML and synchronize audio playback based on the displayed content.
· Integrated AI capabilities into the application to enhance user features and interactions.
· Implemented real-time chat functionality within the application.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
· Integration of APIs, and backend services (Firebase).
· Implemented authentication with social login providers.
· Integrated AdMob for in-app advertising monetization.
· Implemented In-App Purchases (IAP) for digital content and feature unlocks.
· Implementation of geolocation-based features.
· Internationalization with scalable multi-language and concurrent translations support.
· Developed a custom code-generation package for translation management.
· Implemented Text-to-Speech (TTS) and Speech-to-Text (STT) functionalities.
· Integrated and implemented audio playback functionality using an audio player.
· Built a custom plugin to render embedded text within HTML and synchronize audio playback based on the displayed content.
· Integrated AI capabilities into the application to enhance user features and interactions.
· Implemented real-time chat functionality within the application.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
Educup
Mar 2022 - Aug 2022 (5 months)
Flutter developer
· Flutter app development and maintenance.
· Integration of APIs, and backend services.
· Internationalization and translations support.
· Integrated and implemented audio playback functionality using an audio player.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
· Integration of APIs, and backend services.
· Internationalization and translations support.
· Integrated and implemented audio playback functionality using an audio player.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
DClick Soluciones
Sep 2021 - May 2022 (8 months)
Flutter developer
· Flutter app development and maintenance.
· Integration of APIs, and backend services.
· Implementation of geolocation-based features.
· Implemented the Vosk Flutter plugin (https://github.com/alphacep/vosk-flutter) for offline speech recognition (STT).
· Developed video streaming and real-time communication features.
· Implemented a booking system for scheduling and managing reservations.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
· Integration of APIs, and backend services.
· Implementation of geolocation-based features.
· Implemented the Vosk Flutter plugin (https://github.com/alphacep/vosk-flutter) for offline speech recognition (STT).
· Developed video streaming and real-time communication features.
· Implemented a booking system for scheduling and managing reservations.
· UI/UX development and improvements.
· Performance optimization and code refactoring.
Add some compelling projects here to demonstrate your experience
QR Menu
Aug 2020 - May 2021
JustAnotherCoder
Application developed in Flutter. Allows the creation and reading of menus from qr codes.
Pin memo
Jun 2020 - Sep 2020
JustAnotherCoder
Application developed in Flutter. Allows you to store credentials easily and offline. It uses encryption mechanisms for credential storage. It also implements access methods through biometric data.
Ubícate
Jul 2023 - Present
JustAnotherCoder
· Built and maintained a Flutter-based geolocation platform for real-time discovery of nearby businesses and services.
· Implemented interactive map system with custom styling, enriched markers, and optimized rendering performance.
· Designed and integrated geospatial search with filtering by distance, category, and relevance.
· Connected application to Supabase backend for real-time data synchronization across ecosystem apps.
· Developed location-based features including user positioning, nearby discovery, and navigation flows.
· Optimized map rendering and state management for smooth performance on mobile devices.
· Designed scalable architecture using modular Flutter patterns and clean separation of concerns.
· Delivered UX focused on fast exploration and intuitive location-based interaction.
· Implemented interactive map system with custom styling, enriched markers, and optimized rendering performance.
· Designed and integrated geospatial search with filtering by distance, category, and relevance.
· Connected application to Supabase backend for real-time data synchronization across ecosystem apps.
· Developed location-based features including user positioning, nearby discovery, and navigation flows.
· Optimized map rendering and state management for smooth performance on mobile devices.
· Designed scalable architecture using modular Flutter patterns and clean separation of concerns.
· Delivered UX focused on fast exploration and intuitive location-based interaction.
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