Mariano Rial

Android Developer specialized in Kotlin and modern Android development using Jetpack Compose, MVVM and Clean Architecture.

Experience building scalable and maintainable mobile applications with Firebase, Hilt, Room and REST APIs. Worked in collaborative Agile teams contributing to multi-module projects, feature development and bug fixing. Focused on writing clean, testable code and improving user experience through modular architecture and performance optimization.

Junior Android Developer - Open Source Android Project - Buenos Aires

(2025-09)

• Contributed to multi-module Android applications by implementing new features and resolving bugs using Kotlin and Jetpack Compose.
• Collaborated with backend, iOS, web and UX/UI teams in Agile workflows using Jira and Kanban methodologies.
• Applied MVVM and Clean Architecture principles to improve code maintainability, scalability and testing.
• Refactored existing components into reusable modules, reducing duplicated logic and simplifying future feature development.
• Participated in code reviews and debugging processes to improve app stability and development quality.

Freelance Android Developer - Freelance - Buenos Aires

(2024-08)

• Developed Android applications using Kotlin, Jetpack Compose and XML following MVVM and Clean Architecture patterns.
• Integrated Firebase Authentication, Firestore and REST APIs for real-time data handling and backend communication.
• Implemented dependency injection with Hilt and local persistence with Room to improve scalability and maintainability.
• Built reusable UI components and modular features to accelerate development and simplify future updates.
• Improved application responsiveness and user experience through state management, coroutines and optimized UI rendering.

Android Development with Kotlin - RefactoringLife (2025)

Android Development with Kotlin and XML - RefactoringLife (2024)