TECHNICAL SKILLS

Android Frameworks: Material Design, RecyclerViews, CardView, SnackBar, ConstraintLayout, CoordinatorLayout, JetPack, Custom Views and ViewGroups, Content Providers, Services, Broadcast Receivers, AsyncTask, Android Wear, Animations, Object Animator, App publishing, SQLite, SQLCipher, AlarmManager, Content Resolvers, Loaders, IntentServices, Jobs, Handlers, Loopers, WorkManager, JobDispatcher, Tasks, SyncAdapters, Coroutines

Android Testing Frameworks: JUnit, Espresso, Mockito, Monkeyrunner, PowerMock UIAutomator, ViewHirarchy explorer, Android Profiler

Android Third - Party Frameworks: RxJava, Retrofit, Volley, OkHTTP, GSON, Jackson, Moshi, Protobuff, Dagger, ButterKnife, Picasso, Robotium, Google Maps API, Glide, Fresco, Twitter SDK, Facebook SDK

Android Development Tools: Android Studio, Eclipse, Git, Travis, Circle-CI, Jenkins, Firebase, Crashlytics, Fabric, Google Analytics, Answers, MixPanel, Flurry, Bitbucket.

Design Patterns: MVC, MVP, MVVM, Decorator, Builder, Factory, Composition, Façade, Visitor, Delegation, Singleton, S.O.L.I.D.

Relevant Non-Android Frameworks: RESTful consumption, HTML, JavaScript, JQuery, CSS, XML, MySQL, Flex, e-commerce, Apache, PostgreSQL, Python, Ruby on Rails, Visual Basic, Java, Microsoft Access, Gliffy, Balsamiq Wireframes, DB Browser for SQLite, Jira, Confluence, SonarLint, Internet of Things (IoT)

PROFESSIONAL SUMMARY

• 6+ years’ experience in Android/Mobile Development.
• 5 enterprise mobile app published on the Play Store.
• 6+ years’ experience in Software Engineering.
• Android experience with Java, Kotlin, and hybrid Kotlin - Java Android projects.
• Experience writing technical documents and designs relevant to the development process.
• Communicate effectively with stakeholders to manage expectations and gather business requirements and translate them into technical specification documents and solutions.
• Experience utilizing Test Driven Development (TDD) and Continuous Integration for test automation to ensure high quality and easy-to-deploy app updates.
• Proficient in Agile/SCRUM methodology and comfortable as a team member or team lead, and comfortable contributing to or leading story estimation, Sprint Planning meetings, Sprint Retrospectives, and Backlog grooming and Daily Stand-ups.
• Experience employing Object Oriented Architecture (OOP) architecture and design patterns (e.g., Singleton, Delegation, Model-View-Controller (MVC), Model - view - presenter (MVP), Model - view - view model (MVVM), Decorator, Proxy, Builder, Abstract Factory, etc.) to Android Mobile application developments.
• Skilled with Android SDK, debugging tools, memory management, and multithreading.
• Adept at transitioning code bases from Java to Kotlin or from one architectural pattern such as MVVM with JetPack Architecture Components.
• Detail-oriented Android developer and object-oriented programmer with experience in the entire software development lifecycle (SDLC). (Android mobile app requirements gathering - deployment).
• Experienced working with Android main components: Activity, Services, ContentProviders, and BroadcastReceivers.
• Adept at integrating various native Android SDK APIs such as LocationManager, Object Animator, FCM, BluetoothManager, SensorManager, etc.
• Comfortable with source control software programs such as GIT, GitHub, GitLab, SourceTree, BitBucket, etc.
• Experience working with diverse Android development teams, both local and offshore.
• Experience adding accessibility to end user Android applications.
• Android development team mentor assisting in code reviews and follow-up Java/Kotlin coaching.
• Proactively perform extensive code and functional testing to ensure bug-free Android apps.
• Experience consuming backend RESTful web services with JSON and XML based responses.
• Experience troubleshooting issues including connectivity and integration issues.
• Highly knowledgeable about Play Store submission requirements and publishing process.
• Experienced with Android Layouts and using ConstraintLayout to build complex UI/UX.
• Skilled at integrating Android back-end services using RxJava, Retrofit, and Kotlin Coroutines.
• Adept at developing various unit tests using the JUnit, Mockito, and PowerMock frameworks to ensure clean and stable code.
• Experience implementing application data persistence using Room, SQLite, SharedPreferences, External and Internal storage.
• Experience developing Android apps for the phone and tablet platform using Android SDK and Android Studio development environment across a range of industries.
• Experienced Android developer working on Business to Consumer Mobile apps and producing attractive and highly functional, material-oriented Android user interfaces (UIs).
• Extensive experience consuming web service APIs using XML or JSON using Retrofit, OkHttp, and GSON.
• Communicate effectively with UI/UX designers, QA, and Software engineers alike.

PROFESSIONAL EXPERIENCE

Software Developer

Confidential, Huntington Beach, CA

Responsibilities:

• Tripsaver: Recloser programmable hardware device that combine the best aspects of fuse-saving and fuse-blowing strategies to improve system reliability. Prevents temporary faults from becoming sustained outage and avoids momentary interruptions on feeders by only blinking the affected lateral.
• Intellirupter: IntelliRupter PulseCloser Fault Interrupter uses PulseClosing® Technology to reduce the amount of force used during fault testing and lessen momentary outages for customers on the main feeder.
• Programmed the backend technical infrastructure using the Java programming language.
• Programmed the web user interface (UI)/user experience (UX) screens in JavaScript.
• Used the Gliffy online diagram tool to produce UML (Unified Modeling Language) diagrams for visual representation of the customized web application’s classes, actions, etc.
• Imported/exported XML files.
• Used Balsamiq Wireframes to create Application Programming Interface (API) wireframes and configure related web services.
• Programmed web content using Hypertext Markup Language (HTML) and Cascading Style Sheets (CSS).
• Created, designed, and edited DB Browser for SQLite files to support compatibility with a SQLite database platform.
• Applied SonarLint,git for on-the-fly alerts about bugs and quality issues flagged during development for quick remediation.
• Applied the Bitbucket GIT repository, Jira, and Confluence tools for enhanced team collaboration and real-time task tracking during the entire project lifecycle.

Technologies Used: JavaScript, CSS, HTML, Java, SQLite, Microsoft Teams, Jira, Bitbucket, Balsamiq, UX/UI design, Gliffy, Confluence, XML, API Services, DB Browser for SQLite, SQLite, SonarLint,git.

Senior Android Developer

Confidential, San Francisco, CA

Responsibilities:

• Worked as a Senior Android Developer to ensure the application standards were on the highest level.
• Developed the application using the Android Studio IDE.
• Utilized RxJava to make asynchronous calls.
• Worked hand on hand with backend developers to establish the needs of the mobile team.
• Heavily involved in the transition from Java to Kotlin as the main developing language.
• Created several custom views.
• Conducted Agile Scrum meetings for requirement gathering, planning and retrospectives.
• Was involved in the development using constraint layouts for new screens.
• Followed agile methodology and used Jira to track stories.
• Directed regular peer reviews.
• Worked closely with the UI/UX, Testing and continuous integration team to ensure a high-quality product.
• Participated in mentoring sessions with Junior developers.
• Participated in internal hackathons sessions that allowed me to interact with members of different teams and technologies.

Technologies Used: Android Studio, Agile Scrum, Sprint Planning, Requirement Gathering, RESTful API, SQLite, SCRUM, JIRA, Dagger2, RxJava, Kotlin, Java, Retrofit, RxAndroid, custom & compound views, Shared Preferences, Git.

Senior Android Developer

Confidential, San Francisco, CA

Responsibilities:

• Worked as a Senior Android Developer to ensure the application standards were on the highest level.
• Developed the application using the Android Studio IDE.
• Used RxAndroid library and Retrofit support for API calls in conjunction with RxJava/RxAndroid.
• Persisted non-sensitive data with Realm database and ensured that the database was using encryption algorithms when persisting user information.
• Developed new features in Kotlin.
• Implemented MVP architecture to reduce testing efforts and increase the code coverage of the application.
• Conducted some meetings for requirement gathering, planning and retrospectives.
• Integrated different modules using Dagger2 dependency injection to ensure separation of responsibilities and create highly testable classes and objects.
• Responsible to conduct a couple of Kotlin training sessions.
• Conducted regular code analysis and refactoring sessions for legacy classes and code.
• Worked closely with the UI/UX, Testing and continuous integration team to ensure a high-quality product.
• Mentored Junior developers in emerging technologies and patterns such as Observer and RxJava.
• Added several animations and transition.
• Used Postman to test API services.
• Used Firebase to track analytics and app crashes.
• Followed TDD for our testing.

Technologies Used: Android Studio, Agile Scrum, Sprint Planning, Requirement Gathering, RESTful API, SQLite, SCRUM, JIRA, Dagger2, RxJava, Kotlin, Java, Retrofit, RxAndroid, custom & compound views, Shared Preferences, Git.

Senior Android Developer

Confidential, Seattle, WA

Responsibilities:

• Worked as a senior Android developer following the Scrum methodology.
• Used Jenkins as our CI server.
• Developed the application in Java using the Android Studio IDE.
• Utilized the MVP architecture develop a rich and highly testable application.
• Participated in requirement gathering meetings with product owners, and documented requirements and planned specs.
• Relied on the Scrum methodology for task and process assignment and progress tracking with JIRA as the tool for managing issues and tasks.
• Successfully integrated RESTful API backend with the application using Volley networking library.
• Used Picasso and RxJava to manage images on multiple threads for improved performance.
• Using Dagger2 dependency injection, integrated different modules and classes following SOLID principles.
• Did unit testing using Junit and Mockito and for instrumentation testing used Roboelectric.
• Heavily involved in the creation of custom reusable widgets to display the product and user information throughout the app.
• In conjunction with the UI/UX team implemented material design.
• Mentored Junior developers in Android best practices, coding standards and various practices.
• Constantly explored new trends and technologies such as Reactive programming.
• Implemented the use of Android threads with Loopers, Handlers and Loaders, on several tasks which improved the application performance.
• Implemented SQLite database for persistent data storage and fast data retrieval.
• Implemented fragments to navigate through the app.
• Mapped POJOs from JSON responses with third party libraries like GSON and Moshi.
• Made use of Activities, Activities for Result and RecyclerViews to improve application’s performance.

Technologies Used: Android Studio, JUnit, Mockito, Roboelectric, Volley, RecyclerView, Jira, java, Git.

Android Developer

Confidential, Irving, CA

Responsibilities:

• Communicated effectively with product owner to manage expectations.
• Heavily utilized custom views to provide a more personalized user interface.
• Improved previous design harnessing benefits provided by the fragment implementation for the views.
• Helped implement Material Design UI/UX as well as alignment to guidelines.
• Extensive usage of Recycler Views to show large amounts of data.
• Integrated the new design of the application to provide a state of the art and improved user experience.
• Implemented push notifications with Firebase.
• Participated in app QA.
• Worked on writing unit tests using Junit and Mockito and instrumented tests using Espresso.
• Implementation of a relational database in SQLite to synchronize the application with the server.
• Used Crashlytics to compile bugs and work on fixing those bugs.
• Intensive use of handlers and loopers to handle thread communication.
• Followed agile environment and pair programming.
• Used Jira to track stories.

Technologies Used: Android Studio, RESTful, SQLite, SCRUM, Expresso, Shared Preferences, Git. Push notifications.

Android Developer

Confidential, Vienna, VA

Responsibilities:

• Participated in the requirement gathering process with product owner.
• Worked on writing unit tests using Junit and Mockito.
• Collaborated with the design team, the usability specialist, and the iOS team to design an easy-to-use unified application for both iOS and Android platforms.
• Helped implement push notifications using GCM.
• Consume web services using retrofit and GSON.
• Helped implement a caching mechanism using SQL Lite.
• Implemented a RecyclerView to show list of triggered camera events.
• Created a custom view for the agenda.
• Implemented fragments to navigate between agendas.
• Re-designed the app navigation to include animated transitions between activities using CoordinatorLayout.

Technologies Used: Android SDK, Java, GCM, GSON, SQLite, Retrofit, Junit, Mockito.