- Mobile Technical Manager2010 - PRESENTGlobant
- Created a Gradle plugin for automatically incrementing Android's version code which integrates flawlessly with Play plugin.
- Developed a simple interceptor with the Matchers API for Retrofit—allows the creation of test mocks without relaying it to a Mock server.
- Built a NestedScrolling aware library for Google Maps' fragment that solves the scrolling issues when used with a CoordinatorLayout.
- Made a SeekBarPreference library with support for both stock and AppCompat preferences framework.
Technologies: Android, Java
Guillermo Mazzola
Mar del Plata, Buenos Aires Province, Argentina
Member since September 17, 2017
Guillermo is a professional developer who always aims for excellence and specializes in Android development (more than five years), Java (more than eight years), and React Native. He also has some experience with JavaScript, C++, and Python. Guillermo has worked as a team leader, is self-taught, and remains ever curious about his field.
Guillermo is now available for hire
Portfolio
- GlobantAndroid, Java
Experience
- Retrofit 2, 7 years
- Java 8, 7 years
- Dagger 2, 7 years
- Android, 7 years
- RxJava 2, 7 years
- RxAndroid, 7 years
- Agile, 6 years
- React Native, 1 year
Availability
Part-time
Preferred Environment
macOS, Android Studio, Git
The most amazing...
...thing I've built was a worldwide shipment-tracking app with hot updates by downloading a secondary DEX file from a remote server.
Employment
Experience
- ¿Cómo Llego? Rosario (Development)https://play.google.com/store/apps/details?id=gs.infomapa.client
A Google Maps-like app for querying bus lines and arrival times between two addresses within Rosario city, Argentina.
- Shipments Worlwide (Development)https://play.google.com/store/apps/details?id=gs.envios.app.ww
A material design shipments tracking app.
The key challenges in this app were:
- Set up a custom integration per supported carrier.
- Generate a back-end capable to run as Java standalone and in Google App Engine server.
- An image-recognition framework capable of running in Android, Java, and GAE.
- A hot code update (without pushing updates from the App Store) by downloading a secondary DEX file from the server. Similar to MultiDex, but remotely. - Gradle Play Auto-Incremental Plugin (Development)https://github.com/gmazzo/gradle-play-autoincrement-plugin
An Android-Gradle plugin to set the build version based on the last APK uploaded on the Play Store
- OkHttp Client Mock (Development)https://github.com/gmazzo/okhttp-client-mock
A simple OkHttp client mock using a programmable request interceptor
- FontAwesome port as Android library (Development)https://github.com/gmazzo/android-fontawesome
An Android library port of Font-Awesome which parses the font's source file and generates Vector Drawables from its glyphs.
- Gradle SQLite Plugin (Development)https://github.com/gmazzo/gradle-sqlite-plugin
A Gradle plugin to allow the manipulation of SQLite databases in the build script.
- Android Parallel IntentService (Development)https://github.com/gmazzo/android-parallel-intent-service
A multi-threaded IntentService which can process requests in parallel and potentially keep multiple working queues.
- Android Nested Scroll Maps (Development)https://github.com/gmazzo/android-nestedscroll-maps
This provides nested scroll (CoordinatorLayout, AppBarLayout, and CollapsingToolbarLayout) support for Google Maps fragments.
- Android SeekBar Preference (Development)https://github.com/gmazzo/android-seekbar-preference
A SeekBarPreference that stores its value in a percentual relation (0 to 1) on maximum and minimum values
- Gradle Jersey WADL Plugin (Development)https://github.com/gmazzo/gradle-jerseywadl-plugin
A Gradle plugin to directly generate a Jersey 1.x client library from a given WADL or event from a Jersey 1.x web project.
Skills
- LanguagesJava 8, JavaScript, Kotlin, Python, C++
- FrameworksAndroid SDK, Google Guice, Guice, Dagger 2, JUnit, Spring, Hibernate 4+, Hibernate, Espresso Testing Framework, Spring MVC, Spring Boot, Hibernate ORM, Jersey, Dropwizard, React Native
- Libraries/APIsRxJava 2, Retrofit 2, Firebase Android SDK, EasyMock, Jackson, GSON, Google Gson, Google API, Google Maps, Google Ads API, Google Maps SDK, Retrofit, Facebook API, Quartz, Google Places API, jQuery, Slack API, Google APIs
- ToolsAndroid Studio, Genymotion, RxAndroid, Git, Java Concurrency, Android APT, JIRA, Rally, Slack, Maven, Apache Maven, Subversion (SVN), TortoiseSVN, ActiveMQ
- PlatformsAndroid, Firebase, HockeyApp, Google App Engine, Android TV
- StorageMySQL, H2, SQLite, MySQLdb, MySQL Server, Elasticsearch
- OtherAndroid Theming, Android Studio Emulators, OkHttp, AdMob, Google AdMob, Hibernate Validators, Slack App, Espresso, Hibernate Criteria
- ParadigmsAgile, Kanban
Education
- System Information Engineer's degree in Computer Engineering2004 - 2010Universidad Tecnológica Nacional - Rosario, Santa Fe, Argentina
