SUMMARY

• Senior Android developer with over 5 years of experience in diverse industries such as transportation, telecommunicaions, and healthcare.
• 4 Android apps published to Play Store.
• Widely experienced in application development for Android as well as other mobile operating systems and platforms.
• Skilled programming in Kotlin and Java.
• Proficient in OOP design patterns and related frameworks, multi - threading and memory management specific to mobile devices, in-depth understanding of caching mechanisms.
• Experienced with third-party libraries and APIs.
• Experienced mentoring other developers.
• Familiarity with agile/iterative development methodologies (XP, SCRUM, etc,), TDD, CI, GitFlow Utilized Bluetooth Low Energy capabilities to transfer information through different services, characteristics, and profiles
• Experience with Android testing frameworks, proficient writing clean unit test cases, TDD and BDD testing techniques.
• Experience with a variety of multi-media technologies and related interfacing protocols and techniques.

TECHNICAL SKILLS

• Kotlin
• RxKotlin
• JetPack
• Android Studio
• Java
• Retrofit
• Dagger
• Glide
• MVP
• Crashlytics
• Fabric
• Google Analytics
• Butter Knife
• AES/RSA
• Leak Canary
• RxJava
• SourceTree
• Hipchat/ Slack
• SonarQube
• Charles Proxy
• Android File transfer
• Atom/ TextWrangler
• Vysor
• Bash scripts
• SQLCipher
• Keystore
• Realm
• RxAndroid
• Jenkins
• Firebase Kotlin
• Material Design
• Agile/Scrum
• JIRA
• Jenkins
• MVC
• MVP
• MVVM
• Singleton
• Dependency Injection
• Microsoft Office
• Java
• C#
• C++
• Unity 5
• HTML/CSS
• JavaScript
• Java Swing
• Ajax Swing
• GWT
• Spring
• Git
• SVN
• GitHub
• SourceTree
• Tower
• BitBucket
• Android Studio
• IntelliJ
• Eclipse
• Visual Studio
• Game Maker Studio
• SQLite
• Core Data
• NoSQL
• MySQL
• Mongo
• Realm
• C standard Library
• Ksoap2 library
• Jersey Library pen source libraries
• NineOldAndroids
• Volley
• Google Maps API
• Retrofit
• RecyclerView Animator
• Location Services
• FloatingActionButton
• Google Cloud Messaging
• Schematic
• REST
• Bluetooth Low Energy
• JobScheduler
• Push Notifications
• Espresso
• Google Play Services
• Fabric
• Glide
• Google Custom Search
• Samsung SDK
• Logger
• Spork
• Dagger
• Mosh
• Answers
• RxJava
• RxCache GSON
• Robolectric
• EventBus
• LeakCanary
• VidEffects
• Robotium
• Fresco
• Material Design
• App Dynamics
• Nexus
• MLKit
• IoT
• Android TV
• Augmented Reality
• Javascript
• Unity
• Unreal
• MVC
• WPF
• Source Control
• OpenGL
• SQL
• Matlab
• Fusion 360

PROFESSIONAL EXPERIENCE

Confidential, New York, NY

Senior Android Developer

Responsibilities:

• Participating in Agile development of project timelines and creating pull requests to submit code review process and incorporate new code modifications.
• Working in Android Studio with coding in Kotlin using an MVVM Android app architecture.
• Translating iOS application into Android application for Android-usingcustomers.
• Using Git for version control for managing and integrating source code with other team members.
• Programming application features and modules inKotlin.
• Developing the Login Module using various tools for secure authentication and authorization.
• Applying pair-programming as part of development methodology.
• Applying TDD approach for development to ensure maintainable and reliable code.
• Implementing a swipe functionality for RecyclerViews usingItemTouchhelper.
• Creating unit test for all the code implemented usingMockkas a means ofTDD.
• Implementing Android UI test using Espresso for critical functionality.
• Using Koin for dependency injection to accommodate dependency inversion in theapplication.
• Helping new developers understand the codebase.
• Participating in engineering meetings to determine technical decisions for theapp.
• Creating the functionality to help users change their personalinformation:username, email,etc.
• Utilizing two-way data binding to communicate betweenViewModeland XML files.
• Creating Kotlin extension functions to make the code more readable andconcise.

Confidential, Minneapolis, MN

Senior Android Developer

Responsibilities:

• Used Retrofit to access data from a secured database.
• Applied LeakCanary to pinpoint and diagnose memory leaks.
• Utilized Dagger2 for reliable injection across different activities.
• Configured Arxan for Android to secure the application from tampering.
• Applied Transform IT to encrypts Java/Kotlin code, protecting it from reverse-engineering.
• Applied EnsureIT to encrypt TransformIT, so the encryption code itself is also protected.
• Implemented SQLite to access internal databases of patient data.
• Utilized Moshi to help interpret JSON from Retrofit into Kotlin classes.
• Used Recycler Views to dynamically load and present data to the user.
• Used Constraint Layout to modify UI design to better fit variable device resolutions.
• Used Git controls embedded in Android Studio to create branches.
• Used GitHub for version control.
• Conducted Peer Code Reviews to ensure quality code consistency.
• Used Jenkins to conduct repeated tests on new commits and deploy to test devices.
• Used CodeBeamer to assign task/defect tickets, and track sprint completion.
• Used Kotlin for better code conciseness.
• Used Coroutines for native multi-threading support.
• Translated RxJava into Kotlin coroutines.
• Used a WebView for a unified, secure user login and account verification.
• Used MVVM to separate view control code from database interfacing.
• Led technology explorations with teammates on new Kotlin practices.
• Attended daily stand-up meetings.
• Attended monthly sprint planning and review meetings.

Confidential, Stamford, CT

Senior Android Developer

Responsibilities:

• Transitioned app from MVP to MVVM architecture and implemented new design patterns for specific modules.
• Implemented RxJava Flowable observables to handle backpressure from multiple REST call response.
• Integrated new features, using Kotlin, into an existing Java code base.
• Participated in ongoing initiatives to improve processes and establish best practices.
• Integrated the cache support to manage and retain data on a mobile device and provide offline capability within the application.
• Used Room ORM for caching and data persistence.
• Worked in Android Studio using Java and Kotlin and various libraries and frameworks.
• Performed requirements analysis to capture functional/non-functional requirements and developed solutions to satisfy the requirements.
• Used Glide for image loading on Android in various modules.
• Used faster image loading libraries of Glide to manage bitmaps to improve Android app performance.
• Testing and debugged the app using Android mobile emulators, such as GenyMotion etc.
• Developed the app to adapt to different orientations and various screen resolutions (Ldpi/Mdpi/Hdpi) based on the device.
• Worked with Butter Knife, Font Awesome, GSON.
• Implemented different media players (ExoPlayer, MediaPlayer, VideoView, SurfaceView) for playing videos, and facilitating playback on different devices, screen sizes and configuration changes.
• Used Loading Spinners while loading data.
• Participated in Agile methodology and presented demos to project stakeholders at the end of each sprint.
• Implemented Firebase Cloud Messaging for customer instant alerts.

Confidential, Washington DC

Mobile App Developer

Responsibilities:

• Created on two-dimensional scrolling of custom views and custom data adapter to view photos from the gallery.
• Synchronized local GreenDAO database with backend MySQL Database for offline view of expense tracker data and IRS mileage log.
• Integrated Amazon in-app purchases to buy premium membership and expose advance report, receipt generation capabilities.
• Worked on securing the network traffic with Certificate Pinning to verify the identity of the Hosted via SSL handshake along with the AES encryption principle.
• Coordinated with designers to create expense-tracker UI using custom and compound views.
• Held calls, meetings with an external client to include mobile conversion, retention, and engagement through deep linking, user routing using Branch 3rd party SDK.
• Worked ShortcutBadger API to show the count of unread messages in bottom tabs on the main menu in the application.
• Used LoopJ library for asynchronous HTTP requests, handling responses in anonymous call-backs to get IRS mileage log JSON data.
• Created Prove of Concept with Xamarin hybrid approach in Report Track feature.
• Followed Google guidelines to make application battery optimized (not drain battery), even with heavy usage.
• Integrated Dropbox API and Google Drive API to achieve cloud-based storage functionalities with a backup of receipts and expense reports.