SUMMARY:

• 8 years of experience in Client /Server, Web Applications and Windows applications using Microsoft Technologies and .NET framework.
• Performed a wide variety of programming assignments of newly developed software applications, enhancements to existing applications, and other revisions to the product.
• Experience in building mobile based apps using Xamarin studio and Cross platform in Visual Studio for iOS, Android.
• Experienced in creating user interface using Android SDK, iOS SDK and also in using Xamarin
• Forms for designing UI using framework APIs and XAML with different available layouts and controls.
• Experience in integrating REST web services for Android as well as iOS web services.
• Experiences in performed automate testing using Xamarin test cloud.
• Experienced in localizing techniques like adding RESX files in cross - platform localization, native platform localization in iOS, Android.
• Strong in the complete Software Development Life Cycle (SDLC) including requirements definition, design, programming / testing and implementation of major systems and involved development and deployment of many client/server systems based on n-tier, TDD and CRM etc.
• Designed, modelled multi-threaded, enterprise n-tier software agent using WCF web service hosted in a Windows service, SOAP, RESTFUL.
• Designed WCF Service Contract for validating the user input.
• Experience in using Language-Integrated Query (LINQ), ADO.NET Entity Framework 4.0 in Silverlight 3.0/4.0 and in other .NET objects to query and retrieve data.
• Experience in MVC (Model View Controller) architecture with ASP.NET framework and Microsoft.Net Design Patterns.
• Expertise in Web Services and other technologies like Web-API, XPATH, XHTML, XSL and XSLT.
• Hands on experience in reports development using SQL Server Reporting Service (SSRS) and Crystal Reports and experience in developing integration packages using SQL Server Integration Service (SSIS).
• Experience with SQL Server Oracle 8i/9i and MS Access Database development, MDM.
• Proficient in Confidential -SQL Queries, Views, Joins, Functions, SQL Stored Procedures, Database Triggers and Cursors and PL/SQL.
• Experienced in using Ajax controls (Atlas) and other Third Party Controls (Telerik Ajax Controls).

TECHNICAL SKILLS:

Programming languages: C#, ASP.NET, WinForms, LINQ, MVC, MVVM, Razor, XAML, XML, WCF, SQL, HTML, Xamarin.Forms (1 year), JSON, Angular, Knockout, ASP.

.Net Frameworks: .Net Framework

Development Tools: Visual Studio 2KX, SQL Management Studio, Xamarin Studio, Visual Studio for Xamarin 2015, SQLite.

MobileDeveloping Platforms: Windows Phone 7/Mango/8, Xamarin Android, Xamarin iOS, Native applications, Cross Platform Applications.

Web technologies: ASP.NET ASP.NET MVC ASP.Net, Web Services, IIS.

Modelling tools: UML, MS Visio.

Middleware: WCF, ADO.NET, MSMQ, Web Services, Enterprise Library

Version control tools: Visual Source Safe 2005, Rational Clear Case, TFS (Team Foundation Sever)2008.

Operating systems: Windows, Server/XP/Vista.

WORK EXPERIENCE:

Confidential, San Francisco, CA

Sr.Xamarin Developer

Responsibilities:

• Involved in the SDLC phase of requirement analysis, design, development and testing.
• Analyzed the Code that was written in Older Versions of .NET Framework 4.5 and develop them in Built native iOS and Android applications using Android SDK, IOS SDK in Xamarin.
• Used ArcGIS Maps for offline usage and geo-mapping.
• Used the MVVM design pattern for both the Android and iOS mobile apps, using MVVM Cross Framework.
• Designed PCLs components according to a more modern coding style, including focused class design, interaction through interfaces, and separation between the UI (view), business logic (view model) and data (model) across platform.
• Developed Front end user Interface Screens using Xamarin, XCode for Mobile using C#.
• Worked on linear, frame and relative layouts for individual Native UI's in Xamarin.Forms.
• Written C# functionalities which shares across platforms such as android, iOS.
• Developed web service helper classes, to enable communicating with WSDL services on Mobile platform using Xamarin.
• Worked with Storyboard (Xamarin and XCode) and Layouts (Xamarin) for the UI interfaces for iOS and Android
• Implemented RESTful services for web service calls to the database.
• Developed Azure Active Directory for the purpose of Authentication.
• Implemented OAuth 2 Web Services using Xamarin.auth.
• Used localization techniques in Xamarin for data translation.
• Worked on automated UI Acceptance testing using Xamarin Test Cloud.
• Developed rich user interface using XAML and C# code behind.
• Using SQLite.NET with Xamarin.Forms and MVVM for reading and writing data to a local SQLite database.
• Optimization of LINQ usage and SQL direct sentences against SQLite for best performance Design and implementation of the PCL for handling database connections using SQLite.
• Used Xamarin Insights for tracking the data analytics and error handling.
• Using Hockey App for testing the applications.
• Performed all unit testing, debugging and post-release support using Xamarin Test Cloud with different iOS/Android OS versions and devices.
• Used TFS (Team Foundation Server) as version control manager. Environment: Xamarin, Visual studio, MVVM, C#, Web Services, RESTful, XAML, IIS, Xcode, Azure, Hockey App, Xamarin Test cloud, LINQ, SQLite.

Environment: Visual Studio .NET, .NET Framework, Xamarin Studio, X-Code, Xamarin. Forms, MVVM Cross, Mvx Cross Xamarin test cloud, SQLite.NET, Azure Mobile Services, IOS, Android, Entity Framework

Confidential, Detroit, MI

Xamarin Developer

Responsibilities:

• Developed iOS application using C# with Xamarin.
• Developed applications for both Android and iOS.
• Used Xamarin. IOS and Xamarin.Android for creating native user interface.
• Identified and understood the required design theme from already existing windows client.
• Proposed and developed mock-ups based on Apple HIG.
• Adopted the design theme across the application.
• Identified the UI components based on the business logic and proposed suitable workflow.
• Used native Android and iOS SDK along with MONO for cross platform native application
• Used Microsoft AzureMobileServices as backend for mobile application.
• Used iOS SDK and MONO for cross platform native application development.
• Integrated Native iOS Objective C based APIs and frameworks with Xamarin automatic binding generator.
• Involved in the SDLC phase of requirement analysis, design, development and testing.
• Creating database objects such as tables, views, stored procedures, Triggers etc.
• Analyzing the Code that was written in Older Versions of .NET Framework 4.5 and develop them in newer versions.
• Used C# in Xamarin to create native mobile application.
• Developed the independent Windows Communication Foundation (WCF) services and defined Service Contracts for specific functionality in project search module.
• Utilized ADO.Net Entity Framework technology extensively for data retrieving, querying, storage and manipulation using LINQ.
• Later, transformed to native app using Xamarin.Android and Xamarin.IOS when performance was the issue with Xamarin Forms.
• Developed Cross-Platform Mobile app using Xamarin Forms with code sharing between all platforms (Android, iOS and Universal Windows apps)
• Worked on automated UI Acceptance testing using Xamarin Test Cloud.
• Developed React JS/ .NET web application using JavaScript, ASP.NET MVC 5, C#, Visual Studio.
• Used jQuery, Angular JS to provide services to different components of portal.
• Involved in using MVC pattern for both UI development with AngularJS and application development with C#.
• Followed MVVM pattern for databinding between views and view-Models.
• Front end development utilizing HTML5, CSS3, and JavaScript leveraging the Bootstrap framework and SQL backend.
• Designed User Interface using Asp.net Standard Controls, WinForms and Ajax Controls
• Implemented SQLite database with Xamarin forms to save necessary information into device local database.
• Experience in software unit testing and efficient at fact-finding, root cause analysis and bug-fixing.
• Experience in using language-Integrated Query (LINQ) (LINQ to SQL, LINQ to objects, LINQ to Entities, LINQ to XML)
• Implemented Server and Client side validations using ASP.NET validation controls and JavaScript.
• Interacting with business team for clarifications on the requirements.
• Analyzing and identifying the problems and fixing the issues.

Environment: Visual Studio, .Net Framework 4.5, Entity Framework 6.0, ASP.NET, ADO.NET, HTML, CSS, SSIS, SSRS, JavaScript, Xamarin, iOS SDK, Android SDK, Angular JS, AJAX, XML, Bootstrap, WCF, MVC 5, LINQ, jQuery, SQL Server 2014, Crystal Reports, C#, Visual Studio .NET 2013, .NET framework 4.0 & 4.5, Xamarin, XCode, Azure web services

Confidential, Mclean, VA

.Net Developer

Responsibilities:

• Involved in Requirement Analysis, Low Level Design, Coding and Integration.
• Responsible for designing and developing the Application using ASP.Net MVC, Razor Syntaxes, Razor view engine.
• Responsible for developing the Data Access Layer (Model) using ADO.Net Entity Framework Model, Linq to Entities, and C#.
• Responsible for designing and developing the UI using HTML, CSS, JQuery, JavaScript.
• Responsible for developing the reusable Components on UI (Views) by developing the Partial Views, View starts, and reusable components for implementing the business rules with C# and OOPS Concepts.
• Extensively used Datasets, Data Tables and Data Views of ADO.NET to retrieve and manipulate data and display in ASP.NET front end interface.
• Worked in MVC architecture to create web applications using ASP.NET and Sql Server.
• Creating Data Access Classes to interact with Database.
• Implemented master page for ASP.NET Pages.
• Design, develop, test, support and deploy desktop, custom web, and mobile applications.
• Developed WCF services for both Desktop and mobile applications.
• Used SSIS to create ETL packages to Validate, Extract, Transform and Load data to Data Warehouse and Data Mart Databases.
• Developed mobile and desktop applications using C#.
• Writing stored procedures and SQL queries to fetch the data using SQL Server 2008.
• Deployment on to the client server and Deployed the generated reports on to the server.

Environment: Visual Studio 2008, ASP.NET 4.0 and C#.NET 4.0, MVC, CSS, HTML, SQL Server 2008, ADO.NET.

Confidential

.Net Developer

Responsibilities:

• Created many Web Pages using the C#, ASP.Net Ajax Toolkit to improve the performance of big pages as well as used MVC pattern to get the rich user interface for the applications.
• Followed Agile Scrum methodologies and TDD (Test Driven Development) for developing the application.
• All the user interface layers, web pages are created and integrated to maintain the performance of data flow and data integrity using ASP.Net User Controls, Server Controls.
• Responsible for Analysis and Design using Object Oriented Methodology.
• Worked on development of different modules in the project implementing MVC Design Pattern using C#, ASP.Net and AJAX control toolkit for the development
• Developed the user interface for back office support and worked collaboratively in agile scrum team on the design and development of application based MVC framework using HTML5 and CSS3.
• Used Cascading Style Sheets (CSS 3) with HTML 5 to attain uniformity of all web pages.
• Used AJAX for making smaller, faster and user friendly web-page application.
• Used Web Forms and Server controls in ASP.NET for end-user UI.
• Developed Reporting and Analysis module by web enabling reports, Web development using HTML, ASP.NET to deploy crystal reports for the end users to view, print and export data for analysis purposes.
• Developed JavaScript for client side validation.
• Developed Data Access and Business logic layers including Web Services for the business logic layer.
• Developed connectivity to SQL Server-2008 using various Entity Framework entities and LINQ Queries.
• Involved in Integration Testing of various modules of the project.
• Unit tested various functions of the application.

Environment: Visual Studio.NET 2013, ASP.Net4.0, MVC 3.0, C#, Agile Scrum, Entity Framework, AJAX, TDD, LINQ, JavaScript, ADO.Net, SQL Server2008, IIS 7.0, Windows Server 2008, HTML 5.

Confidential

.Net Developer

Responsibilities:

• Involved with all stages of Software Development Life Cycle.
• Worked with an Agile, Scrum methodology to ensure delivery of high quality work with monthly iteration.
• Involved in designing the Employee Member portal and Employer/Account portal, developed Employee Registration, Employee profile, Account Maintenance and User Maintenance, Forgot password, Login User Controls.
• User controls are extensively used in the application.
• Created master pages to display the logo and copyright information on every page of application.
• Developed Web Services for application that consume Web Methods using C#.
• Developed several reports for various functional requirements using Crystal Reports.
• Used both windows authentication and form authentication as it has both internal and external users.
• Used dataset and Infrangibly Web grid extensively to retrieve, display, and manipulate data from the database.
• Created Stored Procedures for data manipulations in SQL Server 2008 database.
• Session state (session variables and session arrays) is used to roll on the data from page to page with in the session.
• Created SQL scripts, stored procedures, triggers and views.
• Used ADO.NET classes provided by the .NET Framework for database connectivity.
• Used Data Grid, Data List, Repeater controls to show detailed information.
• Created and customized dynamic reports using Crystal reports.

Environment: .NET Framework 4.0, ASP.NET, C#, Visual Studio 2010, ADO.NET, SQL Server 2008, XML, SOAP, JavaScript., WCF, entity framework.