Marcos González Ferreira

GoFull – Cheap Gas Stations

KMP/CMP app published on Google Play Store and App Store to compare fuel prices, locate nearby stations, and manage refueling tickets. Implemented with MVVM, layered Clean Architecture, Koin, Ktor, Room, and Supabase. Practical use of Coroutines and Flow for asynchronous loading, reactive favorites/preferences, remote synchronization, invoice OCR, and state management. Includes maps, price history, filters, personalized discounts, savings calculation, and iOS widgets.

AppStore:

PlayStore:

DreamWeaver – AI Dream Diary

Cross-platform app published on Google Play Store and App Store to record, analyze, and interpret dreams using AI. Developed with Kotlin Multiplatform and Compose Multiplatform, MVVM/Clean Architecture, Koin, Coroutines/Flow, and Room KMP, sharing logic, UI, and persistence between Android and iOS. Integrates Gemini for dream analysis, AI image generation, audio recordings, statistics, calendar, streaks, backups, local notifications, Firebase, RevenueCat, and AdMob rewarded ads within a freemium model.

AppStore:

PlayStore:

• Responsible for the company's mobile area, autonomously handling the complete development, testing, distribution, publication, and maintenance cycle of Android and iOS applications.

• Led the development of an enterprise employee presence control application, initially built in native Android with Kotlin, XML, and MVVM architecture.

• Migrated an ecosystem of 4 applications from Kotlin with Jetpack Compose to Kotlin Multiplatform and Compose Multiplatform, achieving approximately 90% code sharing between Android and iOS.

• Designed modular and reusable architectures, facilitating maintenance, scalability, and component sharing between different apps.

• Added automated testing to applications to improve stability, reduce regressions, and reinforce code quality.

• Integrated REST APIs with Ktor, managing asynchronous operations and reactive flows with Coroutines and Flow. Incorporated Koin as the dependency injection system, along with Firebase Analytics and Crashlytics for analytics and error monitoring.

• Took charge of the specific development of a web application with React and TypeScript for employee task management, integrating REST APIs and oriented towards production use by clients.