Chris Powell, Developer in Wake Forest, NC, United States
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Chris Powell

Verified Expert  in Engineering

Android App Developer

Wake Forest, NC, United States

Toptal member since August 30, 2019

Expertise
JavaAndroid SDKAndroidKotlinGitJUnitMVVMSQLEspressoiOSSwiftC++Objective-C
Bio

Chris is an experienced Android developer that has delivered quality applications across multiple industries. He has nearly 15 years of experience and holds a Master of Science degree in Computer Science from New York University. He primarily uses Kotlin, Android SDK, JUnit, RxJava, and MVVM.

Availability

Part-time

Preferred Environment

Git, Android Studio

The most amazing...

...thing is making a seamless mobile experience.

Work Experience

Android Developer

2023 - 2023
Education Software Client
  • Developed new features to support their classroom collaboration application.
  • Tracked and fixed bugs reported by customers to be released before their busy season.
  • Implemented UI/UX enhancements to better support the vision of the product team.
Technologies: Android, Kotlin, Java, Automated Testing, Collaboration, Coroutines

Android Developer

2020 - 2022
VPN Software Client
  • Developed new features to support ongoing initiatives for a VPN application.
  • Verified and fixed bugs that were identified by clients.
  • Identified and remediated issues found by Spotbugs.
  • Pinpointed and remediated issues found by Fortify scans.
Technologies: Android, Java

Senior Software Developer

2018 - 2018
Validic
  • Performed bug fixes and enhancements to a diabetes management application.
  • Migrated the application to use Room.
  • Implemented dependency injection using Dagger2.
Technologies: MVVM, Kotlin, Android, Android Studio

Senior Software Developer

2016 - 2017
TouchCare
  • Migrated the telemedicine application to use standard 3rd party libraries (Retrofit, Dagger2, and RxJava).
  • Worked with the design team to update the telemedicine application UI to follow the Material Design Guidelines.
  • Converted the application from Java to Kotlin.
  • Developed a new healthcare application in Kotlin.
Technologies: MVVM, Kotlin, Java, Android, Android Studio

Senior Software Developer

2015 - 2016
Wickr
  • Developed features to support the initial launch of the enterprise Android application.
  • Maintained and added features to the consumer Android application.
Technologies: Java, Android, Android Studio

Software Engineer

2005 - 2010
ChargeAnywhere
  • Designed and developed mobile payment application for iOS.
  • Designed and developed mobile application for Android.
  • Remediated PCI audit findings.
  • Interfaced with Bluetooth payment peripherals (swiper, pin pad, and chip and pin).
  • Developed an android library allow third party integration to the payment gateway.
Technologies: Android, Java, iOS, Objective-C, C++

TouchCare

I updated the existing telemedicine application to use standard libraries and implemented a material design UI. I also developed a new health advocacy application in Kotlin and utilized Firebase.

Validic

I updated the existing database solution to Room in our diabetes management application. Implemented dependency injection using Dagger2.
2008 - 2010

Master of Science Degree in Computer Science

New York University - New York, NY

1997 - 2001

Bachelor of Science Degree in Computer Engineering

Virginia Polytechnic Institute and State University - Blacksburg, VA

Libraries/APIs

RxJava 2, Retrofit 2, Firebase Android SDK

Tools

Android Studio, Android Jetpack, Git

Languages

Java, Kotlin, C++, Objective-C, Swift, SQL

Frameworks

Dagger 2, Android SDK, JUnit, Espresso

Platforms

Android, iOS, Bitrise

Paradigms

MVVM, Automated Testing

Other

Android App Development, Coroutines, Collaboration

Collaboration That Works

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