SUMMARY

• 6+ years’ experience developing mobile Android apps.
• Knowledge and hands - on work with Android Studio and Kotlin with Android Development.
• Java, standard industry design patterns, and Object-Oriented Programming expertise.
• Proven Android development experience with an appreciation of design, testing, and backend Web Services.
• Demonstrated skill writing custom UI components and libraries.
• Good at collaborating in Agile team environments and applying Scrum and Sprint practices and principles.
• Experience with Room, Live Data or Reactive extensions, dependency injection Frameworks like Dagger, Hilt and Koin.
• Experience of using RESTful web services, and third-party API integrations.
• Hands-on with TDD and BDD testing suites for Android.
• Conceptualize, develop, implement, and publish apps.
• Familiar with Wi-Fi, Bluetooth, NFC and other short distance wireless communications protocols.
• Strong understanding of interactive touch/gesture interfaces, application development. paradigms, memory management, file I/O, concurrency, and multi-threading.

TECHNICAL SKILLS

Architecture Design Patterns: MVVM, MVP, MVC

Programming Languages: Kotlin,Java, C, C++,J2EE, HTML, XHTML, PHP, Node.js

Continuous Integration: Circle CI, Git, Jenkins, Bit Bucket, SVN, TeamCity, Gitlab, DevOps,Bitrise

External Libraries: Retrofit, Volley, Okhttp, RxJava,RoboGuice,Koin, Butterknife, Android image filtering, Picasso, Fresco, PayPal,Joda,UrbanAirship, Firebase,UrbanAirship, Open Measurement,Conviva,Joda, Apache Commons,AES,RSA,oAuth,ReLinker, SonarQube

Database: Mango DB,MySQL, Oracle, Room DB, OrmLite,SQLite, and Realm

Testing Tools: Robolectric,Robotium, Espresso, Calabash,Mockito, JUnit, Monkey,JaCoCo

Graphic design: Zeplin,Photoshop, Illustrator, Fireworks and Lightroom

Cross-Platforms: JavaScript, HTML5, Titanium, CSS3

Third party APIs: Google Play Services API, Facebook SDK, Twitter, Google+, LinkedIn, Dropbox,Leak Canary, Firebase, Retrofit,okhttp,AES Encryptionand YouTubeAPI, BLE

Bug Tracking: Flurry Analytics,Crashlytics, Google Analytics, Hockey App, JIRA, Lint,SonarCube,FindBugs, PMD,Klint

Methodology: Test-Driven Development, Behaviour-Driven Development, Agile, Extreme Programming, Scrum, Kanban, MVP

In-App Purchase: Google, Amazon, Samsung, PayPal, card.io, Braintree, Stripe

PROFESSIONAL EXPERIENCE

Confidential | Piscataway, NJ

Senior Android Mobile App Developer

Responsibilities:

• Applied an Agile/Scrum project delivery methodology.
• Converted Java code to the Kotlin programming language.
• Applied a Koin dependency injection (DI) framework for Kotlin development.
• Programmed new functions in Kotlin.
• Converted the design architecture platform from MVP to MVVM.
• Utilized Dagger 2 for code generation to increase scalability and testability of the code.
• Used Gitlab for version control system and integrate CI/CD pipelines.
• Utilized Google Material Design for the user interface (UI)/user experience (UX) re-design of the apps look, feel, and functionality.
• Configured Charles Proxy for web debugging.
• Applied the Rally project management tool to track each phase of the development iterations and releases and map defects with the user stories.
• Set up the development process for real-time data exchanges by deploying a Firebase platform.
• Wrote unit tests and functional tests with JUnit, MockK, and Espresso. .
• Used reactive frameworks such as RxJava, RxAndroid, RxBluetooth, and RxKotlin.

Confidential | Knoxville, TN

Senior Android Mobile Developer

Responsibilities:

• Conducted requirement gathering sessions with the client.
• Led a team of 4 members, including 2 graphic designers, and 2 programmers.
• Developed in Android SDK in Android Studio.
• Programmed in Kotlin and Java using the latest version of Android Studio.
• Developed modules in Kotlin using MVVM app architecture for ease of maintainability and extensibility, as well as improved quality testing.
• Migrated code base from Rx1 to Rx2, including support for both Java and Kotlin.
• Converted old responses using Rx2 error handling methods.
• Used Android Studio to implement the RESTful API endpoints in Java.
• Used Jira for management and bug tracking.
• Unified designers and developers in the redesign of the UI screen to in corporate custom views.
• Used Material Design to in corporate the latest technologies for developing UI.
• Developed a navigation drawer for easy navigation inside the application.
• Standardized Universal Image Loader API as the default image loader across the application.
• Used BitBucket for source control management.
• Enforced local broadcast messaging for asynchronous communication between application components.
• Used the observer pattern for handling events in the views.
• Implemented a lazy loader for downloading the movie show times.
• Enhanced the usage of Room databases for caching and storing frequently used information.
• Influenced developers to align to a regular functional unit testing regime.
• Completed code documentation for each sprint.
• Debugged and fixed access to Bluetooth settings, network connectivity, Wi-Fi Multicast reception, and connect and disconnect from Wi-F
• Trained junior members to handle product support and development.
• Involved in testing and testing design for the application after each sprint.

Confidential | Charlotte, NC

Android Mobile App Developer

Responsibilities:

• Participated in Continuous Integration setup, deployment and team assimilation via GitLab.
• Supported Dependency Injection implemented with Dagger 2.
• Connected with back-end services using REST and GSON object handler.
• Implemented connection and threading with RxJava and Retrofit.
• Implemented Firebase Realtime Database and made use of some of the Firebase utility Frameworks such as Firebase Crash Reporting.
• Used Firebase to create a database for user image uploads.
• Engaged in general troubleshooting while deploying continuous integration tools
• Efficiently gathered and documented technical requirements.
• Managed JIRA and BitBucket, tracking bugs, and managing backlog.
• Worked with the visual standards team to make certain the Android mobile application complied with system UI/UX standards and specifications.
• Designed custom animations for transitions between Android application activities.
• Implemented SQLite database for persistent data storage and fast data retrieval.
• Used Handlers, Loopers to run tasks in the background rather than in the Main thread.
• Applied various data models, data access architecture and optimization.

Confidential | Arlington, VA

Android Mobile App Developer

Responsibilities:

• Parsed News API, tech updates API and sports scores API using AynsctaskLoaders and displayed in custom ListView.
• Performed general bug fixes to enhance content delivery and user experience.
• Integrated AppNexus Adserver and analytics for monetization strategy.
• Enhanced new widget capabilities with search capabilities to view multiple articles on Home screen.
• Integrated AWS Mobile Hub User Sign-in feature to access the AWS services and validate user identities from multiple identity providers.
• Enabled the deep linking and deferred deep linking on the app using Go To Handle requests from the system or other apps.
• Updated various UI components such as adding ViewPagerIndicator widgets to existing ViewPager objects and improved custom progress indicators.
• Incorporated WebViews for displaying web pages and integrated JavaScript interfaces to handle UI interaction.
• Provided Spanish, German, and French language support in the application using native localization feature.
• Encrypted card numbers with AES-256 and stored on the server securely on backend using Volley.
• Collaborated with the product management team to clarify designs and requirements.
• Participated actively in an Agile development process.
• Supported deployment of applications internally or to customers and provided post-deployment support.