PRAVEEN KUMAR

Sr. Android Developer

678-***-**** ac57lr@r.postjobfree.com

LinkedIn: https://www.linkedin.com/in/praveen-kumar-1ab265126

PROFESSIONAL SUMMARY

Over 8 years of experience in JAVA with 5 years of Android application development and extensive experience in Software Development Life Cycle (SDLC), application design, development, testing, debugging, documentation, deployment and integration of different software applications.

Experienced with Android SDK tools, Debugger, DDMS and AVD.

Strong expertise in working with several versions of Android SDKs and various Android Framework APIs.

Strong expertise in using IDEs like Android Studio, ADT Bundle with Eclipse, Xamarin Studio, Visual Studio.

Experience on Android UI components such as TextView, ListView, Customized ListView, Menus, Edit boxes, Buttons, Checkboxes, Dialog boxes, Alert boxes, Action bars, and Spinners for various layouts in Application development.

In-depth knowledge of android Operating system, reactive mobile application development and Memory Management.

Experience in Database development using SQLite, Database, OrmLite Database, MySQL and MS Access.

Incorporated maps component using React Native to render geographic locations and allow users to find closest places based on GeoJSON data.

Experience in handling Web services application using SOAP, RESTful and TCP.

Experienced in working with Google Map APIs, Push Notifications, Content providers, multiple screen support, data offline storage, accounts and sync on Android.

Developing applications involving User Interface development, Adapters, Services, JSON Parsing and Telephony Manager.

Developed User Interfaces using HTML, HTML5, CSS3, JavaScript and AJAX, Angular JS.

Excellent knowledge in implementing Material Design and optimizing techniques using ListViews, GridView, Recycler Views.

Experience in Android NDK using C++ to access physical components and Android application framework.

Worked on React Native technology for implementing all the UI components.

Hands on experience using Media framework using Android API and skills like Multimedia usage, video, sound and graphics, networking.

Involved in graphic design, Audio, Video features & handling various kinds of media using Photoshop, Flash.

Hands on Experience in Developing Telecom Applications on Wireless 3G platform

And Wi-Fi, Messaging and Bluetooth.

Experienced in a fast paced Agile Development Environment including Test-Driven Development (TDD) and Scrum.

Experience using version control software such as SVN, GitHub for effective code maintenance, tracking, logging and deployment.

Experienced in deploying Mobile applications to Google Play store, Amazon Play Store.

TECHNICAL SKILLS

Android App

Mobile Development

Activities, Services, Broadcast Receivers, ListViews, Adapters, ViewHolder, Notification Manager, Content Provider, DDMS, Location, GoogleMap, HTTP Client, JSON based Web Services, Camera API, Facebook API.

Programming Languages

Java, C, C++, C#, Python, Kotlin

Markup Languages

HTML, HTML5, CSS, CSS3, JSON, XML.

Debugging and Testing Tool

Logcat, DDMS, ADB, JUnit, Mockito. Robotium,

Operating Systems

Windows XP, 7, 8, 10, Linux, Mac OSX.

RDBMS

SQLite, Microsoft SQL 2005/2008, Oracle 10g, 11g, MySQL 4.0/5.0,Realm Database, Workbench, Sugar ORM

IDE

Android Studio, Eclipse, NetBeans,

Version Control/Continuous Integration Tools

Mercurial, GitHub, SVN, Jenkins.

Scripting languages

JavaScript, JQuery

Servers

Amazon web server, Web Logic 8.1/9.2, Apache Tomcat 6.0.

PROFESSIONAL EXPERIENCE

Thales Avionics,

Melbourne, FL

Android Developer Oct 2017 to Current

Description

Thales Group is the world's largest provider of services for the aerospace industry. The project is to develop the in-flight entertainment system using Android platform. Support streaming and local play back for the Azul Airlines. Some of the features are watch channel’s live streaming, movies in three different languages (Española, Portuguese, English) and Live Map.

Responsibilities

Participated in the full lifecycle development process from product definition through design, development, test, release, and maintenance.

Streaming using RTSP with the feature of multi audio track, subtitle, closed caption, live TV buffering, pause, seek, smart buffering and failover feature.

Worked with EXO Player and responsible for integrating and testing video streaming and DRM content.

Local File playback supporting multi audio track, subtitle, seek, trick mode.

Worked on video controls, switching Languages and seek bar position update.

Worked on Fragments, Activity workflow, Action Bar Navigation, Menu designs, custom views, and Loaders (Image, Asynctask, file).

Added selectors and animation effects on UI/UX elements to enhance the User Experience.

Worked on web views, list views, scroll View & populated lists, Recycler views, material design to display the lists using simple Adapters, base adapters and Recycler View Adapter

Extensive use of Fragments to enhance user interface experience.

Integrated Web services for consuming the REST services, getting JSON response and parsing them to get the required information.

Worked directly with backend server teams providing a large number of services including; Audio and Video streaming.

Implemented a refresh floating action button on the map fragment, to refresh the map contents.

Worked o Google Map API’s to get Current location, longitude and latitude values and Time zone

Fixed the bugs identified by the QA testing team

Familiar with Android NDK to create the native library files to be used by Services.

Conducted product integration and testing (using JUnit) on various Android devices.

Efficient and clean code integration and backup using Jenkins and GIT.

Working in Agile methodology, daily status update, scrum meeting, retro, sprint planning.

Environment: Android Studio, Android SDK, NDK, Eclipse IDE, Retrofit, Dagger 2, OpenGL, JDK, XML, EXO Player, JNI, VIDEO buffering, JSON, Okhttp, Retrofit, Material design, SQLite, Linux, Bit bucket, JIRA

T-Mobile, Atlanta, GA Oct 2015 – Sep 2017

Sr. Android Developer

T-Mobile continues to change the wireless industry by giving more control of the mobile device through My Account with latest features like check battery and device performance and Gives the user fast access to manage their account by checking activity such as data plans also help to fix problem along with Account management, bill pay and detailed tracking of account transactions.

App Link: https://play.google.com/store/apps/details?id=com.tmobile.pr.mytmobile&hl=en

Responsibilities

Involved in different phases of the project life cycle like design, development, testing and deployment.

Worked on Location Manager API and Google Location Services to locate nearby agents with respect to the customer with the ability to navigate to the agent and call the agent location.

Incorporated maps component using React Native to render geographic locations and allow users to find closest places based on GeoJSON data

Worked with the UI/UX and business team to design, implement the screens and app architecture.

Worked on UI front end technologies like HTML5, CSS, JQuery, JavaScript, AJAX and Angular JS.

Integration of push notifications for the app to notify the user of updates and activity notifications with GMS (Google messaging services)

Consumed RESTful JSON services using RxAndroid/RxJava and Retrofit 2.0 in a MVP design approach.

Involved in the development of the Login authentication process using token services for the secure authorization and authentication on the application.

Implemented web views, list views & populated lists, recycler views, material design to display the lists using simple adapters, base adapters and recycler view adapter.

Used Dagger2 as a dependency injector and also to create some reusable, interchangeable modules and maintainability of code and alterations

Used ADB (Android Debugging Bridge) command line for installing APK's and as a debugging tool (extracting log files).

Experienced in a fast paced Agile Development Environment including Test-Driven Development (TDD) and Scrum.

Used Espresso as an Android test automation framework to write powerful and robust automatic black-box test cases.

Used GIT for version control and followed Agile with JIRA for implementing this project.

Used SCRUM and Agile software development method for releases and managing application development.

Environment: Android Studio, Android SDK, Xamarin, Eclipse IDE, Espresso, Retrofit, Dagger 2, OpenGL, Soap UI, JDK, XML, JSON, EventBus, Material design, Angular JS, SQLite, LogCat.

Well Care, Tampa, FL Apr 2014 – Sep 2015

Android Developer

Description: The application contains all the details of medicines, nearby hospitals and list of available doctors on site. Using the location and GPS of the customer, the application navigates to the nearby hospitals right away. Wellcare patients also have access to their personal medical record, appointment schedule and other services using their Patient Online Services account and also weather alerts are displayed whenever the customer opens up the application.

App Link: https://play.google.com/store/apps/details?id=com.ihtech.p2m.mywellcare&hl=en

Responsibilities

Involved in the requirement gathering, designing and developing of the application.

Work closely with the web application development team to ensure proper system integration between mobile application and web application.

Worked on Fragments, Activity workflow, Action Bar Navigation, Menu designs, custom views, and Loaders (Image, Asynctask, file )

Implemented navigation help using Android Locations and used components using Google Maps API v.2 forward and reverse geo-location, Location service, and Geo Coding.

Constructed HTTP requests, fetching server response and parsing feeds wherever required

Worked on the local Data storage using Shared Preferences, SQLite databases and the file system.

Used Retrofit and RX-Java to replace existing out of date HTTP Client, working with JSON Array and JSON Objects.

Also, developed Web API using Node.JS and hosted on multiple load balanced API instances.

Implemented TDD testing mechanism and build Unit test cases using JUNIT.

Developed some parts of app by writing native methods using JNI.

Developed by using Dagger dependency injection framework while creating observables on main thread and arbitrary loppers.

Used Espresso as an Android test Automation framework to write powerful and robust automatic black-box test cases.

Used SCRUM-Agile software development method for managing application developments.

Used GIT for code repository and maintaining current and historical versions of the source code.

Environment: Android SDK 4.4, Android Studio, Android NDK, JUnit, Espresso, SQLite, Linux, Dagger JSON, REST Web Services, NodeJS, XML, GIT, Agile.

My Fitness Pal - San Francisco, CA Nov 2012 – Feb 2014

Android Developer

Calorie Counter - My Fitness Pal is a free app which tracks your diet and exercise. Enter foods from the largest food database and connect with over 50 devices and apps including Fit bit, Jawbone UP, Garmin and runtastic. You can create your own custom foods and exercises, track all major nutrients, progress reports, customized goals based on your diet profile. Lastly, track a food just by scanning its barcode from over 4 million barcodes.

App Link: https://play.google.com/store/apps/details?id=com.myfitnesspal.android

Responsibilities

Involved in prototyping, analysis, specification, design, and implementation phases of Software Development Life Cycle (SDLC).

Design screens using MVC pattern for the application with Android Studio IDE

Utilized View Pager, Fragments, custom views and List Views for clean and intuitive UI.

Included Drawer layout for ease of navigation throughout the application.

Embedded user login functionality with client server and Facebook login API.

Used Android to realize camera/video application, familiar with SOAP/RESTful webservice and httpconnnections, liking JSON, HttpUrlConnection, HttpClient

Used the Wi-Fi Manager of the Android API to establish the connections between client and server.

Debugged and wrote test code to verify the new kernel using JTAG debugger.

Implemented Camera API to scan the bar code of the product

Worked with video players Like NexPlayer, VisualOn, Widevine, ExoPlayer and responsible for integrating and testing video streaming and DRM content

Performed on device debugging using ADB and tested application in device using Logcat, DDMS.

Used SCRUM-Agile software development method for managing application developments.

Implement a Broadcast receiver framework, register receiver to receive Screen ON/OFF broadcast event from the Android system and also experienced working on Bluetooth connectivity and NFC connectivity.

Developed using Android Studio & Gradle with Git and GitHub source control systems

Environment: Android SDK2.3, Android studio Activity, Fragment, Service, Material design, SQLite3, Multi-threading, POST, JSON, Bluetooth, Linux Kernel, etc.

Eliassen Group, Bedford, MA Mar 2011 – Sept 2012

JAVA/ Web Application Developer

Description: This application helps users to pay bills, manage accounts, transactions, see account activity, manage alerts and check balances. In addition to that this app also helps to track recent and pas transactions.

Responsibilities

Involved in the analysis, design, and development and testing phases of Software Development life cycle.

Involved in business requirement gathering and technical specifications.

Implemented J2EE standards, MVC architecture using Spring Framework.

Used Struts, JSP, Java Script, and CSS for manipulating, validating, customizing, error messages to the User Interface.

Extensively used Core Java such as Exceptions, and Collections.

Involved in testing using JUnit and fixing defects assigned on JIRA; resolved many challenging tasks while migrating by taking care of the sessions and creating Stubs as per new environment

Used EJBs (Stateless Session beans) to implement the business logic.

Involved in writing the ANT scripts to build and package and deploy the application.

Testing included emulator and device testing with multiple versions and sizes with the help of ADB.

Implemented the localization feature for multi-language support.

Wrote Web Services using SOAP for sending and getting data from the external interface.

Environment: Java, J2EE, Servlets, Struts, Spring, PL-SQL, HTML, Web logic Application Server, Rational Rose, UML, MS Visio, XML, Oracle, Log4j, Unix.

Que Labs Technologies, Hyderabad, India Jul 2009 – Jan 2011

Software Developer

Description: This is a proprietary web application developed for a better Healthcare system in Apollo Hospitals taking full advantages of what Desktop could offer. The app would need a login which every staff member has, status setting (available, busy and so on), a presence based directory, notifications to e-mail, to help the hospital staff always stay connected and work with minimum interruption.

Responsibilities

Involved in the analysis, design, development, and testing phases of the application.

Understood all project requirements as specified in Use Case document and Requirement specification document

Developed web interface using Servlets, JSP, HTML, JavaScript

Extensively used Java Collections like Array List, Hash Map.

Involved in coding using Java Servlets, created web pages using JSPs for generating pages dynamically.

Extensively used core Java concepts such as OOP and exception handling.

Involved in developing forms using HTML and performing client side validations using JavaScript.

Used JDBC to communicate from java to database.

Involved in Creation of tables in database.

Implemented Hibernate and replaced JDBC code.

Involved in the development of test cases for the testing phase.

Used Eclipse for the development of environment J2EE.

Environment: Java, J2EE, JSP, HTML, Java Scripts, Servlets, JDBC, Apache Tomcat5.0.

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