02/10/2026 updated
100 % available
Senior Android Developer
Fernão Ferro, Portugal
Worldwide
Associate Degree in Web Technologies and Mobile DevelopmentAbout me
Freelance Senior Android Developer with 6 years of experience, expertise in Jetpack Compose, Android Automotive OS and Compose Multiplatform, a sharp eye for performance/security, and versatility to deliver both technical and business value.
FlutterAgile MethodologyAndroid Software DevelopmentAndroid StudioApplications ArchitectureArchitectureAtlassian JiraBillingContinuous IntegrationCryptographyPersistent Data StructureData StoreDesign Elements and PrinciplesUser Interface DesignProject Management
Modern Android Development
Expertise in Jetpack Compose, Kotlin, coroutines, and Flow for building modern Android applications
Architecture & System Integration
Knowledge of clean architecture, HILT, Koin, modularization with integration of system-level components like billing, notifications, and cryptography
UI/UX Implementation
Building responsive layouts in Compose & XML with focus on user-centric design principles
Data Persistence
Implementation of local data storage solutions using Proto DataStore, Room, and offline support capabilities
Flutter Development
Cross-platform application development using Flutter framework
Version Control & CI/CD
Experience with Git for version control and implementing agile development methodologies
Project Management
Managing development workflows using Jira for backlogs and tickets tracking
Expertise in Jetpack Compose, Kotlin, coroutines, and Flow for building modern Android applications
Architecture & System Integration
Knowledge of clean architecture, HILT, Koin, modularization with integration of system-level components like billing, notifications, and cryptography
UI/UX Implementation
Building responsive layouts in Compose & XML with focus on user-centric design principles
Data Persistence
Implementation of local data storage solutions using Proto DataStore, Room, and offline support capabilities
Flutter Development
Cross-platform application development using Flutter framework
Version Control & CI/CD
Experience with Git for version control and implementing agile development methodologies
Project Management
Managing development workflows using Jira for backlogs and tickets tracking
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
EnglishFluentPortugueseNative speaker
Project history
- Modern Android stack: Jetpack Compose, Kotlin, coroutines, Flow.
- UI/UX implementation: building responsive layouts in Compose & XML.
- Architecture & DI: comfortable with Hilt, Koin, modularization, clean abstractions.
- Persistence & state: Proto DataStore, Room, offline support.
- System-level integration: billing, notifications, workers, concurrency management, cryptography modules.
Researched and developed new features for the Automotive industry for Appning's app store product. Provided support to third-party developers and OEMs with bug fixes and solutions.
Developed and maintained applications for BMW/MINI infotainment systems.
Certificates
PROJECT MANAGER
IO4PM2024
The Complete 2021 Flutter Development Bootcamp with Dart
Udemy2021
The Complete App Design Course - UX, UI and Design Thinking
Udemy2020
The Complete 2020 Web Development Bootcamp
Udemy2020