Jean-Paul Deshaies

adzuf9@r.postjobfree.com

704-***-****

Professional Summary

•13+ years native Android application development using Java, Kotlin, Material Design, Eclipse, and Android Studio; 6 apps on Play Store

•Knowledge in building Android apps from scratch as well as revision, refactoring, and transitioning architecture (MVC, MVP, MVVM) and code base (Java to Kotlin and Android versions).

•Successfully carried out the user interface by using Custom Views, List View, Relative Layout, Linear Layout and Table Layout.

•Enriched the layout rendering by saving and optimizing the view hierarchy in all the resources.

•Skilled in android performance profiling, memory and power management and optimizations.

•Apply Java patterns Singleton, Facade, Factory, Builder, Adapter.

•Leveraged beautiful cleaner interface, plus design changes using Android material designs tools like CardView, Toolbar, RecyclerView, animations properties and support libraries for this Android mobile app.

•Improved the performance and UX of several modules of the local Content management system.

•Experience in working with Shared Preferences, Cipher, Certificate Pinning, TrustManager, Bouncy Castle, Spongy castle, SQLCipher, KeyChain, Key Store.

•Knowledgeable of the latest analytics tools for mobile applications such as Google Analytics, Localytics, Mixpanel, Answers, Flurry, Crashlytics, NewRelic, etc.

•Experience in Git for code base and version control (GIT, GitHub, GitLab).

•Brilliant in Android third-party libraries such as Volley, Retrofit, Picasso, YouTube, Location API, Maps View, Google View, Google Maps, PayPal, Stripe, Android pay, Google Wallet payments, Android Annotations.

•Experience working on Agile development teams using Scrum processes.

•Used Android frameworks and APIs to efficiently load data and update databases: Loaders, AsyncTaskLoader and SyncAdapters.

•Well versed in Android third-party libraries such as Volley, Retrofit, Picasso, YouTube, Location API, Maps View, Google View, Google Maps, PayPal, Stripe, Android pay, QR Droid, Butterknife, Dagger, Google Wallet payments, Android Annotations.

•Proficient in consumption of RESTful web services (REST, HTTP-based, XML, SOAP, JSON, etc.) & use of Retrofit, Volley, AsyncTask Android back-end communications.

•Practical implementation of Android Life Cycle, Fragments, Intents, and threads on Android; binding services, implicit and explicit Intents, background processes, sync adapters, activity, activities for Result, WebView, ImageView, TextView, RecyclerView, ListView, and Object-Oriented design and programming.

•Skilled in leadership and able to work well with all people, mentoring developers, working with project managers, stakeholders, and cross-functional team members.

Technical Skills

Android

Android Studio, Jenkins, TextureVideoView, ExoPlayer, IntentServices, AsyncServices, AndroidJobScheduler, Ion, Bluetooth Low Energy, Services, ConstraintLayout, CustomViews, Animations, CompoundViews

Multithreading and Resource Management

EventBus, Urban Airship, AsyncTask, ThreadPoolExecuter, Looper, Handler, Android Job Scheduler, Android Job, IntentService

Programming Languages

Java, Kotlin, C++, C#, .NET, HTML, Perl, JavaScript, JQuery, Node JS, React JS

Web Services

JSON, GSON, XML, RxJava, Jackson

Network Connection

Retrofit, ApolloClient, Volley, OkHttp,

Storage

SQLite, Room DB, Shared Preferences, MongoDB, Firebase Storage, Firebase Realtime DB

Testing

JUnit, MonkeyRunner, Espresso, Mockito, RoboElectric, Firebase Testing

Multi-Media

Glide, Picasso, VideoView, MediaPlayer

Dependency Injection

Dagger2, ButterKnife, IcePick, Android Data Binding

Cloud Messaging

Firebase Cloud Messaging

Development

Jenkins, Travis CI, SourceTree, Git, GitHub, GitLab, Eclipse, Android Studio, Slack, Trello, Confluence, Skype, Jira, NetBeans, SVN, Google Maps, Google SDK

Architecture and Design Patterns

Android Architecture Components, MVVM, MVP, MVC, Singleton, Builder, Factory, Builder, Clean Code

Other

Regular Expressions, Java Servlets / Java Server Pages (JSP), Tomcat, Chuck, Vysor, GraphQL

June 2020 – Present

Onshore Lead Android Developer

U.S. Bank

Minneapolis, MN

https://play.google.com/store/apps/details?id=com.usbank.mobilebanking HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"hl=en_US HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"hl=en_US HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"hl=en_US HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"hl=en_US HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"hl=en_US HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"gl=US" HYPERLINK "https://play.google.com/store/apps/details?id=com.usbank.mobilebanking&hl=en_US&gl=US"gl=US

•Implemented Android mobile app in Kotlin with Android Studio utilizing 3rd party frameworks and libraries.

•Programmed Kotlin expressions and higher order functions to reduce boilerplate code.

•Developed new features in Kotlin to reduce codebase with data classes and extension functions.

•Implemented Kotlin Coroutines for performing background asynchronous task operations.

•Implemented WorkManager for performing background persistent work operations.

•Use of Git and GitLab for source control and Jenkins for CI/CD.

•Developed the Android app using MVVM architecture pattern utilizing Singleton, Façade, and Decorator design patterns.

•Implementation of Android Architecture Components including LiveData, ViewModel, Lifecycle-Awareness, and RoomDB Storage

•Integrated communication with backend services / API’s (REST and GraphQL) using Retrofit, ApolloClient, and RxJava, parsing JSON objects with GSON.

•Part of Agile Scrum project management team.

•Maintained Android app quality in development through continuous integration process using GitLab and Jenkins.

•Used JIRA for documentation, task tracking, backlog management, and meeting preparation.

•Applied Dagger 2 as the library for dependency injection for readability and clean code.

•Implemented Broadcast Receiver logic to listen for events to trigger local database updates.

•Used reactive frameworks such as RxJava, RxAndroid, RxBluetooth, and RxKotlin.

•Worked with Android notifications to alert users of important updates.

•Collaborated with the web application development team to ensure consistent feature implementation between Android mobile application and web application.

•Contributed to cross-functional engineering teams (back-end development, front-end development, UI/UX designers, QA, Product Management).

•Lead two teams consisting of seventeen offshore developers.

•Conducted frequent code review activities with the members of the development team.

•Performed branch merging using Android Studio IDE and GitLab

•Worked with Platform Team to have feature branches approved and merged into monthly release branches.

•Lead requirement gathering sessions writing high-level design for the Android application, and creating associated user stories.

•Active part of software development lifecycle (SDLC) from product definition through design, development, testing, and maintenance.

•Coordinated with testing team during the testing phase to correct issues of Android app performance and user experience.

•Lead daily agile stand-ups and documented daily development activities

•Worked with remote team members with work schedules within different time zones.

•Experience working with on-site and off-site teams and management.

•Creation of technical documentation to assist in communication with team members.

•Implemented features for A11Y compliance.

•Used Room Persistence Library to implement SQLite database.

•Facilitated communication and understanding between offshore engineers and onshore product management and design teams.

•Implementation of features in multiple languages (English / Spanish)

•Implemented new features and enhancements to pre-existing features using company standards and best practices.

•Wrote instrumentation tests and UI tests using Espresso.

November 2018 – June 2020

Senior Mobile Android Developer

Fanatics, Inc.

Jacksonville, FL

https://play.google.com/store/apps/details?id=com.fanatics.nfl HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US" HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"hl=en_US" HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US" HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"& HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"hl=en_US" HYPERLINK "https://play.google.com/store/apps/details?id=com.fanatics.nfl&hl=en_US"hl=en_US

•Implemented Android mobile app in Java, and Kotlin, with Android Studio utilizing 3rd party frameworks and libraries.

•Use of Git for source control and Jenkins to assist in integration.

•Developed the Android app using MVVM architecture pattern utilizing Singleton, Façade, and Decorator design patterns.

•Performed Automated testing with Espresso

•Consumed Web Services using a Retrofit instance with a built-in GSON converter to parse JSON objects using Google GSON

•Implemented Kotlin Coroutines for performing background asynchronous task operations.

•Implemented WorkManager for performing background persistent work operations.

•Used Android Studio as the IDE for development of the Android mobile app in Java using MVVM software architecture and Jetpack components,

•Developed new features in Kotlin to reduce codebase with data classes and extension functions.

•Implemented dependency injection using Dagger-2

•Implemented Android Support Libraries for backward compatibility.

•Used Firebase Cloud Firestore and Firebase Cloud Functions beta.

•Enabled notifications with Google Cloud Messaging.

•Part of Agile Scrum project management.

•Participated in daily stand-ups and sprint meetings.

•Use of Test-Driven Development and Continuous Integration with Firebase Test Lab.

•Use of Firebase Performance Monitoring to monitor app performance.

•Implemented Firebase real-time database for storage and persistence during sync events.

•Managed user image uploads and gallery using Glide.

•Maintained Android app quality in development through continuous integration process using GitLab.

•Use Jira for documentation, task tracking, backlog management, and meeting preparation.

•Used custom views for reuse of UI components built to UI/UX design specifications.

•Applied Dagger 2 as the library for dependency injection for readability and clean code.

•Implemented new screens with Constraint layouts.

•Involved in Cipher encryption secured data process as it was being passed to the server, staying in compliance with security standards.

•Collaborated with the web application development team to ensure proper integration between Android mobile application and web application.

•Work on Starva Bluetooth BLE SDK to design module to pair with Bluetooth devices and transmit large bytes of attributes.

September 2017 – October 2018

Senior Android Engineer

PetSmart

Phoenix, AZ

https://play.google.com/store/apps/details?id=com.petsmart.consumermobile HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.petsmart.consumermobile&hl=enpepsi"hl=enpepsi

•Developed the Android app in Android Studio.

•Contribute value to cross-functional engineering teams (back-end development, front-end development, UI/UX designers, QA, Product Management, etc.).

•Lead team of four developers and one graphic designer.

•Conduct frequent code review activities with the members of the development team.

•Enhance the UI/UX with well-designed UI/UX and custom views and compound views. Also, collaborated with designers on the Android look and feel.

•Construct prototypes of the User Interface integrating modern Material Design guidelines.

•Used RxJava and Retrofit to manage communication on multiple threads.

•Lead requirement gathering sessions writing high-level design for the Android application.

•Manage authorizations with backend services using certificate pinning.

•Configured Git repositories in private GitHub for the Android development team.

•Created a successful proof of concept (POC) with a secure SSL layer to authenticate users and refresh login tokens.

•Configured continuous integration process with a Jenkins instance hosted on a private server.

•Active part of software development lifecycle (SDLC) from product definition through design, development, testing, and maintenance.

•Documented Android project details and quality testing.

•Coordinated with testing team during the testing phase to cure issues of Android app performance and user experience (UX).

•Created small testing suites with JUnit and the Android Studio IDE capabilities.

•Partake in Agile daily stand-ups.

•Established communication with back-end server to consume Restful API using core Android classes.

•Implemented the use of handlers and threads on numerous tasks to improve Android application performance.

September 2015 – August 2017

Senior Android Developer

Anytime Fitness

Woodbury, MN

https://play.google.com/store/apps/details?id=com.anytimefitness.app HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"& HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"hl=enpepsi" HYPERLINK "https://play.google.com/store/apps/details?id=com.anytimefitness.app&hl=enpepsi"hl=enpepsi

•Built Android app using MVVM architecture with a ViewModel within each Activity and Fragment, creating multiple, individual ViewModels.

•Used Dagger, Retrofit, Robolectric, Picasso and other third-party libraries.

•Use of Java and Kotlin languages in application development.

•Worked with remote team members with work schedules within different time zones.

•Participated in Agile methodology with sprints held every 2 weeks.

•Member of Android team of 3 to 5 developers.

•Followed a modified form of material design guidelines set by internal standards

•Implemented Android Architecture Components to improve the user experience, including LiveData, ViewModel, and Room Persistence Library with SQLite database to cache the Android app data.

•Customized the UI by introducing custom views.

•Assisted with the user’s bag, product catalog, promotions and the user’s info such as address, email address, phone number and payments with WorldPay.

•Participated in Sprint backlog, Sprint Grooming, Sprint Planning, Sprint Retrospective with Daily Standups using Slack.

•Used Workfront for task tracking and migrated task management to Jira.

•Participated in Android team learning sessions to keep team up-to-date on the latest changes in Android technology and to discuss app benefits.

•Use of Dagger 2 for Dependency Injection of single instances of services for View Models.

•Used Robolectric for creation of unit tests with lifecycle awareness.

•Used Jenkins for Continuous Integration.

•Used Room Persistence Library to implement SQLite database.

•Worked with different teams (server side, application side) to meet client requirements.

•Implemented Google Cloud Messaging for customer alerts.

May 2013 – September 2015

Android Developer

Pepsi

Purchase, Harrison, NY

https://apps.apple.com/us/app/pepsi-lebanon/id1463046699

•Experience developing efficient Java code and view layouts with the ability to diagnose performance bottlenecks.

•Development using Java, Eclipse, and Android Development Tools.

•Worked with Android notifications to send reminders to the User Interface.

•Implemented user login screens and designed context menus based on Android Menu Navigation, Tabbed Navigation control, and Action Bar Control.

•Worked with database management system using native Android API and server-side MS SQL server database.

•Responsible for developing the Android UI layouts (Linear Layout, Relative Layout).

•Implemented Singleton Object class for managing 3rd party API to access information in various modules of the Android application.

•Implemented two versions of unique UI. Created prototypes for different UI elements.

•Introduced optimal caching mechanism into SQLite, to avoid unnecessary queries.

•Involved in writing application logic in Android Studio.

•Integrated communication with backend services using Retrofit and RxJava, parsing JSON objects with GSON.

•Worked with Custom Frameworks and Custom Templates.

•Implemented Frame Layout method to show background images.

•Individual implementation of Google Map and Location services.

•Worked on the SQLite database to minimize size of the Android application and increase performance.

•Used Android XML in design and development of user interfaces.

•Added Broadcast Receiver logic to listen for events to trigger local database updates.

May 2010 – April 2013

Jr. Android Developer

Pizza Hut Inc.

Plano, TX

https://play.google.com/store/apps/details?id=com.yum.pizzahut HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en" HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"& HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"hl=en" HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"& HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en" HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"& HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"hl=en" HYPERLINK "https://play.google.com/store/apps/details?id=com.yum.pizzahut&hl=en"hl=en

•Development using Java, Eclipse, and Android Development Tools.

•Applied UX in promoting best practices within Android design and ecosystem.

•Used the location API, Maps View, and Google Maps.

•Wrote unit, integration, and stress test cases with jUnit.

•Created multiple Content Providers with a native approach to handling UI asynchronous updates.

•Helped out with SCRUM meetings and discussions.

•Implemented a SyncAdapter to generate an Observer pattern in the User Interface to alert every time the data in the content provider changes.

•Worked with development teams for the web service API definition.

•Used JIRA as the issue tracking tool for our team.

•Used AGILE process programming with 2-week sprint cycles.

•Experimented with SMS, Full-screen mode, and WebView in anticipation of the introduction of KitKat.

•Configured a Parse account to use as a Mobile Backend, setting up the database, code cloud, and services integration.

•Worked closely with the UI/UX team for determining the designs and styles to be used.

•Supported multiple screen form factors using Fragments and width-aware layouts.

•Migrated code from Async tasks to RxJava to do multithreading.

•Implemented design patterns MVC, Singleton, and Observer.

•Managed code review sessions to promote high quality reusable code.

•Managed the build creation with a Jenkins instance hosted on a private server.

•Handled data persistence using SQLite local storage and Firebase.

•Worked with animations and transitions with out-of-the box features and third-party libraries.

•Consumed API’s using Volley.

•Implemented app’s architecture using MVP.

•Improved search navigation Activity to find out station names.

•Experience working with on-site and off-site teams and management.

•Participated in iterative agile development methodology.

University of North Carolina - Asheville

Bachelors of Science: Computer Science

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