Freelancer profile translated to English.

Description

Senior Android Developer with over 7 years of experience in native Android application development, including high-scale products. Specializing in Kotlin, Jetpack Compose, MVVM, and Clean Architecture. Focus on code quality, performance, and maintainability, working in Scrum and Kanban environments.

Industry field of expertise

Languages

English
Fluent
Spanish
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Adevinta Spain - Real Estate
Android Developer
E-COMMERCE
July 2025 - December 2025 (5 months)
Segovia, Spain
Development and maintenance of new features in the Fotocasa Android application, aimed at improving user experience and performance.
Implementation of user interfaces following Material Design principles and good UX/UI practices.
Work with modern architectures (MVVM / Clean Architecture), ensuring scalable and maintainable code.
Integration and consumption of REST APIs for managing real estate data, searches, filters, and notifications.
Use of Kotlin as the primary language and adoption of advanced language features.
Management of states, navigation, and component lifecycle (Activities / Fragments / ViewModel).
Implementation of unit and integration tests to ensure application quality and stability.
Bug fixing and incident analysis using logging and monitoring tools (Firebase Crashlytics, Analytics, etc.).
Collaboration with product, design, and backend teams in agile environments (Scrum / Kanban).
Participation in code reviews, applying quality standards and best practices.
Progressive refactoring of legacy code and improvement of technical debt.
Use of version control systems (Git) and collaborative workflows.
Jetpack Compose Kotlin MVVM Clean Architecture Mockito
O2O - One2One Digital Strategy
Android Developer
TECH
July 2024 - July 2025 (1 year)
Madrid, Spain
Development and maintenance of Android apps for the hotel and access management sector.
Technical definition and functional evolution of booking, check-in/check-out, and access control apps.
Integration of REST APIs with hotel systems and third-party services.
Performance and user experience optimization.
Collaboration with backend, product, and design in Scrum/Kanban environments.
Proposal of technical improvements for scalability and maintainability.
App performance optimization, crash reduction, and loading time improvement.
Bug fixing and incident analysis using logging and monitoring tools (Firebase Crashlytics, Analytics, etc.).
Collaboration with product, design, and backend teams in agile environments (Scrum / Kanban).
Participation in code reviews, applying quality standards and best practices.
Version management, deployments, and monitoring of metrics in Google Play Console.
Adaptation of the app to new Android versions and compliance with Google Play policy changes.
Progressive refactoring of legacy code and improvement of technical debt.
Kotlin MVVM Android Jetpack Jetpack Compose External API Integration
BETWEEN TECHNOLOGY
Android Developer
AUTOMOBILE
March 2024 - June 2024 (3 months)
Madrid, Spain
Optimization of car insurance app, reducing loading times and improving compatibility.
Implementation of SOLID principles and MVC patterns.
Improvement of user experience through optimization of flow and resources.
MVP Android Studio Kotlin Java Room