Guillermo Mazzola, Software Developer in Mar del Plata, Buenos Aires Province, Argentina
Guillermo Mazzola

Software Developer in Mar del Plata, Buenos Aires Province, Argentina

Member since October 10, 2017
Guillermo is a professional developer who always aims for excellence and specializes in Android, Java, and React Native development—having several years of experience in all of them. He also has some experience with JavaScript, C++, and Python. Guillermo's worked as a team leader, is self-taught, and remains ever curious about his field.
Guillermo is now available for hire




Mar del Plata, Buenos Aires Province, Argentina



Preferred Environment

Git, Android Studio, MacOS

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: Java, Android



  • Languages

    Java 8, Java, Python, C++, Kotlin, JavaScript
  • Frameworks

    Google Guice, Guice, Dagger 2, Android SDK, Spring, JUnit, Hibernate, Spring Boot, Spring MVC, Espresso Testing Framework, React Native, Jersey, Dropwizard
  • Libraries/APIs

    Retrofit, Google Maps SDK, Google API, Google Ads API, Google Maps, Firebase Android SDK, EasyMock, Jackson, GSON, Google Gson, Retrofit 2, RxJava 2, Google Places API, Quartz, Facebook API, Google APIs, Slack API, jQuery
  • Tools

    Git, Android Studio, Genymotion, RxAndroid, Android APT, Java Concurrency, Subversion (SVN), ActiveMQ, Apache Maven, Maven, TortoiseSVN, Jira, Rally, Slack
  • Platforms

    HockeyApp, Firebase, Android, Google App Engine, MacOS, Android TV
  • Storage

    MySQLdb, MySQL Server, MySQL, H2, SQLite, Elasticsearch
  • Other

    Google AdMob, AdMob, Android Emulators, OkHttp, Android Theming, Hibernate Criteria, Espresso, Hibernate Validators, Slack App
  • Paradigms

    Agile, Kanban


  • System Information Engineer's Degree in Computer Engineering
    2004 - 2010
    Universidad Tecnológica Nacional - Rosario, Santa Fe, Argentina

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