Rafal Niski

Rafal Niski

Gdansk, Poland
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Rafal Niski

Rafal Niski

Gdansk, Poland
Member since February 16, 2014
Rafal is a talented Android developer with five years of professional experience, including custom apps created for companies such as Jagermeister and McDonald's. Among other things, he's an expert in networking, beacons, and location services.
Rafal is now available for hire
Portfolio
  • TravelBank
    RxJava, Dagger2, LiveChat, Sentry, MVP
  • TagStone
    RFID, RxJava, Dagger, Location Services, REST API, MVP
  • Inventrip
    Bluetooth Low Energy, iBeacon, RxJava, Dagger 2, Realm.io
Experience
  • Java, 4 years
  • Android SDK, 4 years
  • iBeacon, 4 years
  • Unit Testing, 3 years
  • Continuous Integration (CI), 3 years
  • RxJava, 3 years
  • Dagger 2, 3 years
  • Android Studio, 2 years
Gdansk, Poland
Availability
Part-time
Preferred Environment
Android Studio, Git, Trello, OS X
The most amazing...
...application I've coded is a 3D visualization map for projecting SHP format files on the fly.
Employment
  • Senior Android Developer
    TravelBank
    2017 - 2017
    • Created the module responsible for booking flight tickets.
    • Redesigned many design components and created many custom ones from scratch: f.ex. toolbar, flight seat selection, etc.
    • Created architecture based on the Model-View-Presenter and dependency injection framework.
    • Integrated LiveChat for customer service.
    • Fixed many performance issues related to views rendering.
    Technologies: RxJava, Dagger2, LiveChat, Sentry, MVP
  • Senior Android Developer
    TagStone
    2016 - 2017
    • Developed a tablet app for a telco company.
    • Added many features to the car fleet management app.
    • Worked on the architecture of the app from scratch.
    • Structured the app with MVP design pattern, Dagger2, and RxJava.
    • Integrated Bitrise as CI and Hiptest for automated testing.
    • Integrated RFID card scanning and REST API web services.
    Technologies: RFID, RxJava, Dagger, Location Services, REST API, MVP
  • Senior Android Developer
    Inventrip
    2016 - 2016
    • Created cache architecture based on Realm.io.
    • Developed a background service for monitoring iBeacons.
    • Integrated Eddystone beacons into the service.
    • Refactored the codebase with RxJava and Dagger 2.
    Technologies: Bluetooth Low Energy, iBeacon, RxJava, Dagger 2, Realm.io
  • Lead Android Developer
    Everytap
    2014 - 2016
    • Created a communication layer with Estimote Beacons.
    • Architected the app and developed new features in a startup environment.
    • Implemented material design and custom animations.
    • Kept a big focus on code quality. Used dependency injection and RxJava.
    • Established a build system with continuous integration, crash reporting, and test automation.
    Technologies: Android SDK, Estimote Beacons, Bluetooth Low Energy, Travis CI
  • Android Developer
    United Ideas
    2014 - 2014
    • Created many applications from scratch for clients such as McDonald's and Jagermeister.
    • Helped port iOS 7 apps to Android.
    • Fixed bugs as well as compatibility and efficiency problems in existing applications.
    • Created custom views for a range of devices.
    • Delivered products and supervised other developers in a team.
    Technologies: Android, Android Studio, Eclipse, Parse SDK, Google Analytics, AdMob
  • Software Engineer
    Intel
    2012 - 2014
    • Developed an OpenGL driver for Intel’s GPUs in a Windows environment.
    • Profiled code, conducted static data analysis, fixed bugs, and addressed security issues.
    • Used Redmine for project management.
    • Ran daily Scrum stand-up meetings.
    Technologies: C++, C, OpenGL
  • Android Developer
    Axis
    2012 - 2013
    • Developed an Android application for controlling weight systems.
    • Programmed interface enhancement for network parallel communication.
    • Developed a socket-based interface for hardware using broadcast and multicast techniques.
    • Adjusted the design for tablets and internationalization support.
    Technologies: Android API, Java, SVN
  • Zend Programmer
    Blue Services
    2011 - 2012
    • Developed back-end applications for some of the largest companies in the banking industry.
    • Developed a poll system with 3D visualization of results.
    • Designed and implemented the landing page.
    • Fixed multiple security issues.
    Technologies: Zend Framework, Elgg Framework, PostgreSQL, Git, JIRA
  • Programmer
    Wirtualna Polska
    2011 - 2011
    • Worked in a group of six people within a Scrum environment.
    • Developed a fully-functional CMS for creating template websites.
    Technologies: OO PHP, Oracle, SVN
Experience
Skills
  • Languages
    Java, PHP, SQL, C, C++
  • Frameworks
    Android SDK, Dagger 2, Cocoa Touch
  • Libraries/APIs
    RxJava, Workbooks API, Parse Android SDK, ActionBarSherlock, Mixpanel Android API, Dropbox API, Twitter API
  • Tools
    Android Studio, Eclipse IDE, SVN, Perforce, Git, Xcode
  • Platforms
    Android, Linux, Windows, Mac OS X, Oracle, iOS
  • Misc
    Bluetooth Low Energy/BlueZ stack, iBeacon
  • Paradigms
    Continuous Integration (CI), Functional Programming, Object-oriented Programming (OOP), Unit Testing, Material Design
  • Storage
    SQLite, MySQL, PostgreSQL
Education
  • Master of Science degree in Computer Science
    Gdansk University of Technology - Gdansk
    2009 - 2014
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