PROFESSIONAL SUMMARY:

• Over 7 years of diverse Experience with all phases of Software Development Life Cycle (SDLC), involved in designing, developing, integrating and implementing, software applications based on Microsoft .NET technologies, backend development and building multi - tiered architecture.
• Designed the Cross-Platform Application architecture by using Xamarin . Forms and PCL components using Xamarin studio , Visual studio .
• Designed Interfaces and GUI with services for mobile applications, Asynchronous programming in Xamarin.Forms and Xamarin.Android.
• Expertise on Mobile Application Development Using Xamarin.Forms and Xamarin.Native Approach.
• Experienced in creating user interface using Xamarin Forms, Windows Forms and native elements with the help of Xamarin.iOS and Xamarin.Android.
• Extensive skills in creating UI using Android SDK, iOS by using Xamarin.Forms for designing UI using framework APIs and XAML with different available layouts and controls.
• Good working experience in consuming RESTFUL services.
• Extensive knowledge and experience in designing, developing, and testing of Business/Commercial Applications using Visual Studio .NET 2005/2008/2010/2012/2015 , C#, VB.NET, ASP.NET 2.0/3.0/3.5/4.0 , ADO.NET, and SQL Server 2005/2008.
• Excellent skills in design and development in Win Forms, Web Forms, Client/Server application development using VB.Net, ASP.Net, and C # .
• Experience in Web Services in .NET using XML and SOAP.
• Excellent knowledge of Object Oriented Design and Development.
• Extensive experience in applying Object Oriented Analysis and Design (OOAD) And Used design patterns like Factory, Singleton and MVC, MVVM framework.
• Experience in Windows Communication Foundation (WCF), Windows Workflow Foundations (WWF), .NET Framework 3.0 / 3.5, Windows Presentation Framework (WPF), LINQ and NUnit.
• Experience in database development, for creating complex database queries, writing Constraints, Indexes, Views, Stored Procedures, Cursors and Triggers in SQL Server 2000/2005/2008/2012 , Oracle 9i/10g.
• Worked with ASP.NET 2.0 Web Parts, Navigation Control, and Master Pages.
• Excellent in using CSS, Themes, Skins in Asp.Net.
• Extensive knowledge on agile methodologies as software development approach throughout my career for project management services.
• Proficient in using XML related technologies including AJAX, XSLT, XPATH and XQUERY.
• Experienced in unit testing and System Integration testing and well versed in using Bugzilla for bug tracking.

TECHNICAL SKILLS:

Programming Languages: C, C++, SWIFT, C#, .Net, LINQ, VB.NET, JAVA

Web Technologies: ASP.NET, Silver light, Ajax, HTTP handlers, HL7

Xml Technologies: XAML, XML, XDOCUMENT, XSLT, XPATH, XSL

UI Technologies: WinForms, WPF

IDE Tools: Visual Studio, Xamarin studio SQL Server Management Studio

Databases: MS SQL SERVER 2012/2008/2005/2003 , DB2, MS Access

Modeling Tools: UML, MS Visio 2010/2007

Reporting Tools: SQL Server Reporting Services (SSRS), Crystal Reports

Servers: Windows Server 2003/NT, Microsoft IIS (7.0/6.0/5.0/4.0 ), SVN, TFS.

Middleware: WCF, ADO.NET 4.5/4.0/3.5/3.0/2.0 , WebServices, IBM MQ series, MSMQ

Testing Tools: Selenium, Xamarin Test Cloud

Cloud Based Technologies: Azure, Sales force

Bug Tracking Technologies: Xamarin Insights, Bugzilla

Source Control Tools:: TFS, Git, SVN

PROFESSIONAL EXPERIENCE:

Confidential, Vancouver, WA

Xamarin Developer

Responsibilities:

• Implemented extreme programming by using fast paced agile methodology, involving in task completion, user stories and Iterations and developed application for Android and iOS using Xamarin.Forms
• Extensively worked with XAML file in Xamarin IDE for user interface
• Implemented data bindings defined in XAML file for the connection of View and View Model
• Worked with in the Network interactions using JSON with RESTAPI calls and also implemented RESTFUL API calls to communicate with server.
• Experience on using Xamarin.UI Test framework for writing own automated tests.
• Interacted with technical lead, team members and production support team for requirement, functional specifications and technical architecture using agile methodology and worked on initial prototype of the application.
• Expertise in developing User Interfaces using Xamarin and native application development in Android platform
• Integrated Hockey App into application from initial development for crash reporting and other health report as a part of test-driven environment.
• Wrote custom renderers for entry, picker, button, frame, controls etc. and developed resource dictionary for styles.
• App heavily relied on APIs, to make application performance better and responsive used SQLite for catching procedures and partial offline availability.
• Worked on catching manager and API manger using SQLite models for quick user response from API.
• Worked on dependency services to access native functionality as some part of the application was differ on platform variation.
• Performed all unit testing, debugging and post-release support using Xamarin Test Cloud with different iOS OS versions and devices.

Environment: C#, Visual Studio 2017, .Net Framework4.5, MVVM, iOS SDK, MONO SDK, JSON, POSTMAN,HTML, CSS, SOAP, Triggers, GITHub, Microsoft Azure, TFS, Xamarin Forms, Xamarin Test Cloud, Xamarin Test Recorder, Azure App Center

Confidential, Columbus, Indiana

Xamarin Developer

Responsibilities:

• Developed a cross platform applications which runs on iOS, Android using Visual Studio 2015.
• Developed a Native applications which runs on iOS, Android using Xamarin native and Visual Studio 2015.
• Involved in architecture of the project and maintain the MVVM form across the code.
• Used MVVM features such as data binding, used dependency services for accessing native mobile features.
• Created custom renderers like list views with button, Bindable picker, print manager, Date picker and renderer for showing PDF as a web view.
• Used Bluetooth BLE with IoT to interact and monitor generators.
• Used Android Studio to debug and migrate the native code to Xamarin.Android
• Used native Android and iOS SDK along with MONO for cross platform native application
• Used Microsoft Azure Mobile Services as backend for mobile application.
• Used XAML to design UI and also created Run time List views.
• Used Hockey App for distributing the Application in the test team in testing and Intune for the release to the Audience.
• Implemented RESTFUL API calls to communicate with server.
• Created Dependency Injection to achieve native requirements.
• Used SQLite database with Xamarin.Forms to save necessary information into device local database which allows user to work on application even in offline mode.
• Used Xamarin test cloud to Automate the UI tests and Unit tests for testing
• Used Microsoft App center for distributing the Application in the test team in testing and Intune for the release to the Audience.
• Expertise in CI/CD pipeline configuration for mobile applications in TFS and APP center.
• Also, used Google Insights for analytics and error handling.
• Used Oauth2.0 Web services using Xamarin.Auth for server-side authorization.
• Used GITHUB as a source control.
• Used Visual Studio Team Services for the bug tracking and the for the work management of stories
• Actively participated in the production release of the Applications to app store and play store.
• Implemented extreme programming by using fast paced agile safe methodology, involving in task completion, user stories, and iterations.

Environment: Xamarin, Xcode, Android SDK, C#, Java, Visual Studio, Android Studio, .NET 2015, .NET framework 4.0 & 4.5, MVVM,MVC,Azure web services, Bluetooth BLE, Xamarin Test Cloud, Hockey App, TFS, GIT.

Confidential, Grand Rapids, Michigan

Xamarin Developer

Responsibilities:

• Developed the application named “ Confidential ” using Xamarin.Forms to be compatible in iOS and android. In initial phase, as per business requirement, targeted only tablet devices in iOS platform.
• Designed the architecture for the application to be cross platform compatible.
• Used stack view, auto layout and size classes to create responsive and efficient user interface as application was heavily relied on reusable user interface.
• Consumed RESTful web services and parsed the JSON data.
• Used Entity Framework to maintain the connection of mobile applications with cloud.
• Used GitHub as a code repository and review other team member’s code so that development consistency can be retained.
• Experience on using Xamarin.UI Test framework for writing own automated tests.
• Used localization techniques in Xamarin for data translation.
• Used SQLite for offline implementation of the application in case of internet unavailability.

Environment: C#, Xamarin studio, Visual studio-2015, iOS SDK, MONO SDK, JSON, Android SDK, GitHub,.Net 4.0, Microsoft Azure Web Services.

Confidential

Xamarin Developer

Responsibilities:

• Used C# in Xamarin to create native mobile application.
• Extensive mobile UI design and implementation experience, including prototyping.
• Built native IOS and Android applications using Android SDK, IOS SDK in Xamarin.
• Created user controls and defined XAML elements into the UI for developing windows apps
• Added the elements needs to UI to work with the app and Added the functionality of the app to see it running for the windows App
• Used MVVM features such as data binding and testability
• Used Xamarin Insights for analytics and error handling.
• Implemented RESTful and SOAP Web services to retrieve data from remote server.
• Used Oauth2.0 Web services using Xamarin.auth
• Involved in the Integration testing for the application.
• Worked on automated UI Acceptance testing using Xamarin Test Cloud
• Experience on using Xamarin.UITest framework for writing own automated tests.
• Used Microsoft Azure Mobile Services as backend for mobile application.
• Implemented SQLite database with Xamarin forms to save necessary information into device local database.
• Implemented extreme programming by using fast paced agile methodology, involving in task completion, user stories and Iterations.

Environment: C#, Xamarin, IOS SDK, Android SDK, Azure Mobile Services, .NET Framework SQLite, REST. SOAP, JSON, TFS, Visual Studio-2013

Confidential

Software Engineer

Responsibilities:

• Involved in the creation of presentation framework using ASP.NET and C# by creating win forms, user controls and code behind pages.
• Implemented Form based authentication in ASP.NET to authenticate users.
• Analyzed the design specifications, developed master pages and integrated child pages.
• Developed all the Web Pages using ASP.NET, HTML, and DHTML, with Style Sheets (CSS).
• Used JavaScript for validating the frontend client side as well as used ASP.NET controls for validating server side.
• Designed and developed login interface to manage login permissions according to the roles provided.
• Created and deployed XML Web Services, using ASP.NET and used Web Services from ASP.NET web applications.
• Developed documentation and performed unit testing as a developer for the web and windows applications.
• Involved in Designing and developing win-forms for checking the credit, disbursements and EMI calculations.
• Dealt with various SQL Server database issues e.g. creating tables and relation between the tables, adding, updating and deleting the data in the tables.

Environment: ASP.NET, C#, ADO.NET, XML, Web Services, Visual Studio 2003, Visual Studio 2005, SQL Server 2005, TFS.