We provide IT Staff Augmentation Services!

Senior Android App Developer Resume

Benton Harbor, MI


  • Kotlin programming development experience.
  • Java programming skill.
  • Skill with frameworks such as RxKotlin, RxJava, RxAndroid, RxBluetooth.
  • Full breadth usage of Android Studio.
  • Contribute to design, architecture, and technical strategy.
  • Architectures include MVVM, MVP, MVC.
  • Strong understanding of the Android framework, best practices, and design patterns.
  • Firm understanding of building mobile applications that utilize web services (REST, HTTP - based, XML, SOAP, JSON or other services).
  • Skilled implementing fragments, diverse layouts, animations, Material Design, Compound Views and Custom Views.
  • Strong knowledge in Android multithreading frameworks: AsyncTaks, IntentServices, Handlers, Threads, Runnables, Loopers.
  • Experience using GIT/GitHub for Source Control.
  • ADA compliance for application development
  • Experience with web related technologies, including JavaScript, HTML 4/5, AJAX, JSON, XML.
  • Good knowledge OS fundamentals with the ability to apply it in the context of modern operating systems (Linux, OS X, Windows Server 2008/2012).
  • Experience with Android performance tuning and crash reporting applications.
  • Able to optimize the technical architecture and technical debt of the Android app.
  • Created logins, embedded tweets using the Twitter API.
  • Passionate about best Android design and general UI/UX best practices.
  • Performed Espresso, JUnit, Mockito and simulated design patterns in Android to test and develop applications.
  • Managed the implementation of dependency injection in Android with Dagger to sped up the unit testing process.
  • Use of multiple MBaaS (Mobile Backend as a service) and cloud integration tools like Parse, Firebase, Google Cloud Services, Amazon Web Services.
  • Ability to ask the right questions, provide feedback to stakeholders, break down tasks, and create a plan to achieve the intended result.
  • Pro-active fast learner, self-motivated, proficient in programming logic and easily adaptable to new technologies.
  • Self-motivated, always enjoying a good challenge and thriving under pressure.
  • Exceptional communication, project management, and organizational skills with the ability to build positive relationships with boards and stakeholders, senior executives, all levels of staff, and clients.
  • Continuously research, test, and implement new techniques, frameworks, and utilities, and apply to Android development.
  • Apply Google’s best practices targeted to mobile environments: use of networking, memory management, battery status, responsive and intuitive design, managing multiple screen sizes, identifying app installations, internationalization.
  • Design schemas for and deploy SQL and MySQL servers.
  • Create initial set ups of multiple continuous integration servers to help the build creation process (Travis, Jenkins, Circle-CI).
  • Implementation of multithreading using Kotlin Coroutines.
  • Participated in all phases of the Android development life cycle (Planning, Analysis, Design, Develop, Documentation, Test, Deployment, Hypercare).
  • Implementation of Android Accessibility Services for ADA compliance.
  • Principles, handlers, and Java threading to match the provided specifications and needs of the Android project.


Programming Languages: Java, Kotlin, php, HTML, CSS

Frameworks: Android Jetpack, Firebase

IDEs: Android Studio, Eclipse, Visual Studio

Change Management: Git/GitHub, SVN, Jenkins, Travis CI

Methods: Material Design, Agile/Scrum, Test Driven Development (TDD)

Issue Tracking: JIRA, Jenkins, Atlassian Suite

Architectures: MVC, MVP, MVVM

Design Patterns: Singleton, Dependency Injection, View Holder, Builder, Adapter

Testing: Espresso, Robolectric, Mokito, JUnit, Selenium, Appium


Software: MS Office (Word, Excel, PowerPoint, Paint), Adobe Photoshop, Maven, Gradle

Data Related Tools: Firebase, SQLite, Room Database, SharedPreferences, EncryptedSharedPreferences

Android Libraries, Frameworks and APIs: Jersey Library, open-source libraries, Google Maps API, Volley, Junit, Google Places, Retrofit, RecyclerView Animator, Location Services, FloatingActionButton, Google Cloud Messaging, Schematic, REST, Bluetooth Low Energy, NineOldAndroids, JobScheduler, Push NotificationsVersion Control: Git, SVN, GitHub, SourceTree, Tower, BitBucket

Native Java Frameworks: Java Swing, Ajax Swing, GWT

Operating Systems: Android, Unix/Linux, Mac OS, Windows

API: Facebook, Twitter, Google Maps, RESTful, Volley, Picasso, Glide, YouTube, Retrofit, ButterKnife

Front-End UI Development: Custom android views classes and components, Android adapter views like ListView, RecyclerView, GridView and Gallery, Customized List views, Gallery widgets


Confidential, Benton Harbor, MI

Senior Android App Developer


  • Worked with an Android development team in an Agile environment with 6 Android Developers and 8 iOS Developers.
  • Implemented new Architecture Navigation Graph to map in App navigation across many app flows.
  • Migration and refactored Java Code to Kotlin code.
  • Refactored Architecture design pattern from MVP to MVVM.
  • Created multiple SQL commands to update a list of favorites and query the results into the main thread.
  • Implemented Android Jetpack Room Database implementation along with Kotlin Singleton implementation.
  • Worked along with observable lifecycle aware components like Android Jetpack Livedata.
  • Refactored fragments to CustomViews to reduce the handling of multiple callbacks and reuse layouts in multiple screens.
  • Participated in approval PR team to ensure code coverage of 85% and enforced code quality using tools like Gerrit, CheckStyle and SonarQube.
  • Closely worked with QA engineers to implement use cases and successfully refactor feature by feature.
  • Wrote Functional, Unit, and Instrument tests using JUnit, MockK, and Espresso.
  • Customized Exoplayer media to play favorites artist during sessions.
  • Implemented Share API creating Intent choosers to share favorites locals through social media.
  • Implemented Calendar API with custom Credentials for synchronize users’ calendar from an app entry.
  • Worked closely with designers to enhance UI/UX and match Material Design for rebranding approach.
  • Implemented search view engine to enhance fast search and provide customized data depending of user settings.
  • Created API connection with Retrofit library and a Single source of truth repository.
  • Implemented dependency inversion strategy creating components and modules using Dagger library.
  • Participated in an Agile environment with sprint retrospective and consolidating code in Bitbucket repository.

Confidential, Redmond, WA

Senior Android Developer


  • Applied “Clean Code” principles for app architecture, branching/versioning, release train, feature flipping and A/B test, CI pipeline, TDD, etc.
  • Developed the feature to ‘Build your own address library’ and export reports in pdf excel and csv formats.
  • Fixed crash loading very short trips and crash affecting some users when merging trips
  • Created custom authentication usingOAuthConsumerandOAuthProviderservices and Signing HTTP messages and requested tokens from an OAuth service provider.
  • Integrated external YandexAppMetricaSDK for ad tracking, usage analytics and crash analytics.
  • Replaced volley library withRxJavaretrofit library to makeasychrousAPI calls to get user-profile and monthly stats data in custom view.
  • Made code more modular and avoid memory leaks from bad object references which locked the object and did not allow Garbage Collector to clean it up.
  • Used Espresso librarytpperform automatic synchronization of test actions with the UIandui-automatorlibrary for UI interactions that are not within app.
  • Utilized Amazon S3(Simple Storage Service) service for media files storing and retrieving
  • PerformedgRPCauthentication includinggRPC’sbuilt-in error codes with use of SSL/TLS to authenticate the server and encrypt all the data exchanged between the client and the server.
  • IntegratedAWSMobileClientAPIs for automatic token and credentials management and state tracking with notifications for performing workflows.
  • Held daily calls with the end client to integrate Adjust SDK for Session and event callbacks.

Confidential, Atlanta, GA

Android Developer


  • Followed Agile methodology and Scrum processes and participated in bi-weekly Sprint planning,
  • Performed technical work using Android Studio IDE.
  • Applied a MVP architecture.
  • Created new features programmatically using Kotlin.
  • Eliminated null point exceptions using Kotlin.
  • Architected application following material design and used the four components of Android: Activities, Fragments, Content Providers, and Broadcast Receivers.
  • Developed Display Modes for Android application and integrated various back-end services natively and using various third-party APIs.
  • Implemented Fragments to make the app usable on both Smart phone and tablets.
  • Worked closely with the web application development team to ensure proper integration between mobile application and web application.
  • Provided full support to browser testing team to fully automate manual scripts using Selenium Testing Framework.
  • Implemented RESTful call to receive JSON based response and parsed with GSON to display data.
  • Handled XML data using efficient parsing techniques such as DOM parser.
  • Integrated activity and fragment-based navigation to adapt to portrait and landscape orientations to better use the screen state adapting to phones and tablets.
  • Implemented Picasso to do Asynchronous image loading.
  • Used GIT for source control management and continuous integration with Travis for CI.

Confidential, El Segundo, CA

Android Mobile Developer


  • Added several animations and transitions without of the box features and third-party libraries.
  • Improved the search navigation Activity to find out station names.
  • Experience working on-site and off-site teams and management.
  • Integrated Java Guava Libraries for string processing, concurrency libraries, I/O functions.
  • Development of quality code using cutting-edge techniques, tools, and utilities.
  • Improved the layout rendering by saving and optimizing the view hierarchy in all the resources.
  • Used private Git repository with BitBucket for development project.
  • Participated in code review sessions to always have high quality (reusable, simple, documented) code.
  • Assisted the build creation with a Jenkins instance hosted on a private server.
  • Created the database using SQLite local file and a Firebase implementation.
  • Used native and third-party technologies to optimize the app functionality including Java, Parse, Volley, SQLite, Fragments, Picasso, Android Studio, JSON, SQLCipher, Spongy Castle, Git, Jenkins.
  • Use of Implicit and Explicit Intents.
  • Created custom views to present data as it was needed.
  • Use of SharedPreferences.
  • Generated the application with a Model View Presenter architectural design pattern to help with the modularity and maintainability.
  • Successfully executed test cases and fixed bugs.
  • Part of Agile team consisting of 3 Android developers, iOS developers, web services, UI/UX designers and front-end developer.
  • Used the Parcelable interface to serialize the objects.
  • Performed automated testing by using Robolectric.
  • Eliminated the use of external libraries by consolidating the use of OKHTTP and GSON.
  • Implemented List View using the View Holder pattern to improve the performance.
  • Worked with a SCRUM (Agile) methodology.
  • Used advanced networking, multithreading and image loading libraries for efficient communication like Volley and Picasso.
  • Experience building high volume consuming facing applications at massive scale.
  • Ensure effectiveness of SCRUM related meetings (planning, retrospective) and discussions.
  • Worked closely with the Android and iOS development teams for the web service API definition.
  • Worked on making sure RESTful web services adhered to Android Best Practices

Hire Now