BlackBerry Developer Roldan


BlackBerry Developer
8 years experience

£15 - £25/hour

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A professional with more than 6 years of experience trained to be globally competitive and ready for challenges. He has a passion for creating apps, making responsive mobile applications and contributing to team-based projects where he is the lead developer. He has 6 years of experience in Android Development utilizing Android SDK, Android Studio and Java. He also has 2 years with Eclipse. He's always open to learn and use new technologies and enjoys being part of a successful and productive team, and thrives in highly pressurized and challenging working environments.

Work Experience

Lead Mobile App Developer
February 2016 - Present
  • A conference/event app that provides a listing of speakers and sessions with the capability to interact with other attendees.
  • Code-base is structured for white-label apps.
  • Implement and maintain new features according to client specifications.
  • Create dynamic content and app theme based on server specifications.
Android Developer
November 2013 - January 2017
  • A location-based Travel Guide app.
  • Maintain and publish existing code base.
  • Uses In-app purchases and Firebase for data.
  • Maintain existing API built on Sprint and Hibernate.
  • Implemented encryption and new API endpoints and bug-fixes.
  • Manage and integrate KittyHawk data through a plugin.
  • Interface with DroneDeploy using CoffeeScript.
  • An app used to manage various drones, parts and weather data.
  • Developed version 1 and 2 as lead developer.
  • Interfaced with Mapbox to display user's location and Airmap to show safe-flying zones.
  • Develop Operator and Renter side applications for managing their virtual mail
  • Complete UI defined from server config and response
  • Bug fixes for existing iOS app using Swift
  • Communicate with clients regarding specifications.
  • Communicate with web developers for API requirements.
  • Uses Media Player to play streaming radio and option to download.
  • An app that provides an alternative to Google Play recommended apps and comparison.
  • Designed application specification, features, and UI.
  • Used regular expression to scrape Google Play.

BS Computer Science
New Era University
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