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Guillermo Mazzola

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
  • 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
Mar del Plata, Buenos Aires Province, Argentina
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.
  • Mobile Technical Manager
    2010 - PRESENT
    • 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
  • Languages
    Java 8, Python, Kotlin, C++, JavaScript
  • Frameworks
    Guice, Dagger 2, Spring, Android SDK, Google Guice, JUnit, Hibernate 4+, Hibernate ORM, Spring MVC, Spring Boot, Hibernate, Espresso Testing Framework, Jersey, React Native, Dropwizard
  • Libraries/APIs
    Google Maps, Retrofit, Google Maps SDK, Google Ads API, Google API, Google Gson, GSON, Jackson, EasyMock, RxJava 2, Firebase Android SDK, Retrofit 2, Google Places API, Quartz, Facebook API, Google APIs, Slack API, jQuery
  • Tools
    Android Studio, Genymotion, Git, RxAndroid, Android APT, Java Concurrency, Maven, Apache Maven, TortoiseSVN, ActiveMQ, Slack, Rally, JIRA, Subversion (SVN)
  • Platforms
    Android, HockeyApp, Firebase, Google AppEngine, AppEngine, Android TV
  • Storage
    MySQLdb, MySQL Server, MySQL, H2, SQLite, Elasticsearch
  • Other
    OkHttp, Google AdMob, AdMob, Android Theming, Android Studio Emulators, Slack App, Hibernate Validators, Hibernate Criteria, Espresso
  • Paradigms
    Agile, Kanban
  • System Information Engineer's degree in Computer Engineering
    2004 - 2010
    Universidad Tecnológica Nacional - Rosario, Santa Fe, Argentina
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