Mario Manhique

Self-taught Android Developer with over 2 years of hands-on experience in crafting Android mobile applications using both Java and Kotlin. My expertise includes a robust grasp of modern techniques such as Jetpack Compose, as well as proficiency in implementing design patterns like MVVM and MVP. I am well-versed in developing with a Multi-Modular Architecture, and I excel in seamlessly integrating third-party APIs, with a particular focus on leveraging Retrofit for optimal performance.

1. Weather Forecast Clone 

Led the transformation of a weather application into an industry-standard platform during an intensive course. Achievements include:

• Successfully revamped the user interface (UI) for an improved user experience.
• Integrated advanced features such as real-time weather updates, global location search, and personalized favorites.
• Developed a comprehensive forecasting system for accurate weather predictions over the next 7 days.

Key Features:

• Real-Time Weather Updates: Developed a dynamic weather application enabling users to seamlessly access current-day weather information with precision and accuracy.
• Global Location Search: Implemented a robust search functionality allowing users to explore and retrieve weather details for specific cities or districts across any country.
• Personalized Favorites: Engineered an intuitive favorites system, empowering users to save and manage preferred cities or districts for quick and personalized weather updates.
• Temperature Visualization: Incorporated user-centric design by providing options for temperature visualization in Imperial (Fahrenheit º) or Metric (Celsius º) units.
• Comprehensive Forecast: Developed a sophisticated forecasting system, presenting users with detailed morning, daytime, evening, and late-night weather predictions for the next 7 days.

Key Technologies Utilized:

• Kotlin programming language
• Jetpack Compose
• Dagger Hilt (Dependency Injection)
• Clean Architecture
• MVVM Architectural Design Pattern
• ROOM Database for local data persistence
• Kotlin Coroutines for efficient asynchronous programming
• Kotlin Flows for reactive data streams
• Retrofit for efficient and robust network requests, ensuring real-time weather data retrieval.
• Room Database for local data persistence
• Coil for Image Loading
• Google Fonts for a visually appealing and customizable typography.

Achievements:

• Transformed the initial learning project into a feature-rich, industry-standard weather application.
• Received positive user feedback, highlighting the improved UI/UX and advanced functionalities.

2. Multi-Modular Diary App

Led the end-to-end development of a feature-rich Multi-Module Diary App, seamlessly integrating online and offline data persistence.

Key Features:

• Authentication:

Implemented secure user authentication using FirebaseAuth and MongoDB, ensuring a robust and reliable login system.

• Write Diary:

Enabled users to capture their thoughts and emotions by providing a user-friendly diary-writing interface.

• Image Management:

Integrated a gallery selection feature for users to upload images, enhancing the diary entries with visual elements.

• Zoom Images:

Implemented image zoom functionality, allowing users to closely examine and appreciate the details of their attached images.

• Edit Diary:

Empowered users with the ability to edit existing diary entries, providing flexibility and control over their content.

• Filter Diary by Date:

Implemented a date-based filtering system, enabling users to effortlessly navigate and locate specific entries.

• Delete Functionality:

Implemented the option to delete selected diary entries or clear the entire diary, providing a comprehensive and user-friendly management system.

Tech Stack Utilized:

• Kotlin programming language
• Jetpack Compose
• Dependency Injection (Dagger Hilt)
• Clean Architecture
• MVVM Architectural Design Pattern
• MVP Architectural Design Pattern
• Multi-Modular Architecture
• FirebaseAuth and MongoDB for authentication
• Cloud Firestore for online data persistence
• Firebase Storage for image storage
• Kotlin Coroutines for efficient asynchronous programming
• Kotlin Flows for reactive data streams
• Room Database for local data persistence
• Connectivity Manager for seamless online and offline functionality

Achievements:

• Successfully developed a Multi-Module Diary App, demonstrating proficiency in modern Android development tools and architectures.
• Seamlessly integrated online and offline data persistence using Firestore, ensuring a seamless user experience regardless of connectivity.