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Android Lead Resume

New York, NY

TECHNICAL SKILLS:

  • RxAndroid
  • Kotlin
  • JIRA
  • RxJava
  • JobScheduler
  • Volley
  • BrainTree SDK
  • VideoView
  • LeakCanary
  • Android Studio
  • GitHub
  • OkHTTP
  • Git
  • Mixpanel
  • NDK
  • Circle - CI
  • Flurry
  • Spork
  • ReLinker
  • Loaders
  • Push Notifications
  • Stripe
  • GSON
  • Sketch
  • Dagger2
  • Chromecast
  • MPAndroidChart
  • LeakCanary
  • ExoPlayer
  • IntentServices
  • Glide
  • Eclipse
  • Robotium
  • Retrofit
  • Crashlytics
  • Google Analytics
  • MVP
  • AndroidAnnotations
  • Bluetooth BLE
  • Jenkins
  • Slices
  • Nougat
  • AndroidPhotoFilters
  • Material Dialogs
  • Caligraphy
  • JUnit
  • Timber
  • Material Design
  • ORMLite
  • IcePick
  • SpongyCastle
  • Firebase
  • GitLab
  • Handlers
  • LeakCanary
  • MVVM
  • EventBus
  • Cipher
  • JetPack
  • Android KTX
  • Mockito
  • Dependency Injection
  • Google Cloud Messaging
  • Espresso

PROFESSIONAL EXPERIENCE:

Android Lead

Confidential - New York, NY

Responsibilities:

  • Large Agile team including API developers, designers, iOS developers and testers
  • Worked on existing large codebase in MVVM architecture with data-binding implementation
  • Migrated Spanish version of the app to Kotlin using Anko, Android KTX, JetPack, coroutines, extension functions, delegate properties and null-safety checks
  • Worked on RxJava2/ Retrofit to ping API calls to the back-end server and apply map, flatmap, buffer, merge, reduce and zip functional operators to JSON data
  • Used Espresso for the automated UI testing recyclerview interactions and Mockito was used with Retrofit for mocking the API call(Mockserver)
  • Upgraded Google in-app purchases API and GooglePay API to buy digital access to NYT Crossword and NYT Cooking
  • Perform static code analysis and code review (Collaborator) got ‘Best sellers lists at the top of the Books section’ acceptance criteria
  • Replaced old videoview MediaPlayer API with ExoPlayer sdk to watch exclusive NYT stories videos
  • Redesigned navigation for swiping quickly across sections
  • Fixed an issue where some users were not seeing images render
  • Improved Android Keystore program to store cryptographic keys in a container and protect key material from unauthorised use
  • Replaced MixPanel implementation with Google Firebase push notification services to send breaking news alerts

Android Architect

Confidential, Los Angeles, CA

Responsibilities:

  • Mid-size team, working closely with the back-end and designers
  • Communicated with web-server using Retrofit/okhttp libraries to display wide range of brands and products in custom recyclerview
  • Refactored the architecture from MVP to new Architectural Lifecycle aware components using LiveData, Viewmodel and Room
  • Managed OOM exceptions to improve performance using Crashlytics, Leakcanary, Android Device Monitor(DDMS), JIRA
  • Upgraded existing local database from SQLite to Realm to store product list and details for offline access
  • Utilised Facebook Stetho, Debug tools, Jobscheduler, Services and Android Profiler to identify issues and enhance the performance
  • Made app compatible to Android O by improving the background processing limits, notification channels, battery consumption and memory
  • Improved search UI to find what you are looking for and coded ‘Add to bag’ and ‘checkout’ user interface
  • Added Braintree SDK and updated Stripe sdk to accept user payments at checkout for selected products
  • Integrated Braze SDK base analytics library and user interface library for in-app messages, push, and the news feed
  • Used Google Protocol buffers library to perform XML serialisation of data
  • Work on the free/paid Subscription product flavors of the app to expose different user-stories

Senior Android Developer

Confidential, Houston, TX

Responsibilities:

  • Mid-size team, Daily scrum, agile environment and working closely with iOS team
  • Attended the SCRUM meeting to keep track of the current sprint
  • Worked with a Model View Presenter architectural design pattern, singleton, factory, facade, builder pattern to help with the modularity and maintainability
  • Updated OpenStreetMap modular tile provider system to support online and offline tile sources, overlay support with built-in overlays for plotting icons, tracking location, and drawing shapes
  • Designed notifications UI and send real-time push notification for flight alerts and airport delays with MixPanel external client sdk
  • Replaced old UI with NavigationView drawer, swipe tabs and material design features to build new master screen
  • Used AChartEngine ChartFactory, GraphicalActivity and GraphicalView interfaces to plot flight paths
  • Programmed codehaus jackson XML converter with retrofit configuration in service layer to get fight list and details
  • Refactored legacy code to accommodate all new changes in data download and synchronisation strategies to Reactive code - RxJava
  • Used MobileAppTracking library for attribution analytics to measure the value of advertising partners
  • Incorporated device specific content-providers and build own custom content providers based on client requirements
  • Write unit test cases for ’Nearby flights’ and ‘real-time flight status’ presenters using Mockito library with method interactions and spy objects
  • Used Apache Commons Codec to produce Base64 encode/decode mechanism for web service communication

Native Android Developer

Confidential, Los Angeles, CA

Responsibilities:

  • Mid-size team
  • Work on the algorithm to compare and see bottle service pricing at different venues
  • Integrated ImageViewTouch library to include zoom and pan capabilities on image view widget
  • Included Google Guava library to perform caching, primitives support, concurrency, annotations, string processing and I/O functions
  • Coded the network layer using Volley networking library to display venue and access bottle menus in customised listview with sticky headers
  • Improved map view styles and search in any area feature
  • Write functional integration testing using Robolectric in TDD manner
  • Perform code analysis, optimisation and checked Android quality control using PMD, Findbugs, Checkstyle, Gradle and jaCoCo reports
  • Incorporated HockeyApp SDK for alpha/beta testing, error reporting and user feedback for the app
  • Simplified communication between Activities, Fragments, Threads and Services with subscriber-publisher pattern using event bus library
  • Included localisation features for French and Italian versions of the application
  • Used YouTube Android Player API to in corporate videos
  • Applied Crashlytics to bug and app crash reporting

Android Developer

Confidential, Seattle, WA

Responsibilities:

  • Small team with BDD appraoch
  • Implemented New Relic to record custom metrics and networking
  • Refactor unorganised spaghetti codebase into MVC architecture following SOLID principles
  • Improved search by keyword, ingredients options UI, data-parsing in coordination with other iOS developer
  • Downloaded cooking videos using DownloadManager and save it on internal phone memory
  • Post Cook’s profile data to backend using RestFul web-services using AsyncTaskLoaders
  • Pair program to call native C/C++ Code using NDK
  • Worked closely with the external designer team to import the assets correctly through Zeplin web platform
  • Used Android web view for loading html pages and working around cookie manager
  • Fixed critical and major bugs reported by testers on JIRA in 2 weeks sprint cycle
  • Used BitBucket for source control management and continuous integration with Travis CI

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