SUMMARY

• 8 years of experience in Client/Server, Web Applications, Mobile Applications and Windows applications using Microsoft Technologies and .NET framework.
• 3+ years of extensive experience working among technologies such as Xamarin. IOS, Xamarin. Android and Xamarin Studio.
• Performed a wide variety of programming assignments of newly developed software applications, enhancements to existing applications and otherrevisions to the product.
• Strong in the complete Software Development Life Cycle (SDLC) including requirements definition, design, programming / testing, implementation of major systems, involved development and deployment of many client/server systems based on n - tier, TDD and CRM etc.
• Experience in building mobile based apps using Cross platform in Visual Studio for iOS, Android using Xamarin studio.
• Experience in Planning the Application from the wireframe level, Architecting and Implementing the mobile applications.
• Extensive experience in creating User Interface(UI) using Android SDK, iOS SDK and 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 and iOS web services.
• Performed automate testing by using Xamarin test cloud.
• Responsible for designing User Interface screens using Master Pages, jQuery, Themes, HTML, CSS, Java Script (Angular, Backbone and React) and AJAX Tools.
• Designed, modeled 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.NETEntity Framework 4.0 in Silverlight 3.0/4.0 and in other .NET objects to query and retrieve data.
• Experience in designing and developing software applications with the C#, ASP.NET, HTML, CSS, XML, JavaScript, ADO.NET, WPF, WCF, LINQ and .NET framework.
• Practice MVVM design pattern for the WPF, Silverlight UX platforms.
• Experience in MVC (Model View Controller) architecture with ASP.NET framework and Microsoft.Net Design Patterns.
• Hands on experience in writing Stored Procedures, User Defined Functions, Triggers, Views, Joins, Query Optimization and Performance Tuning.
• Experience using Source Code Version Control Systems like TFS and Git.
• Experience in handling the performance and memory of Android App.
• Experience in developing systems using different software methodologies like Agile and Waterfall.
• Profound knowledge in Unified Modeling Language (UML) to design Use-cases, Class Diagrams, Activity Diagrams and Sequence Diagrams
• 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 2000/2005, Oracle 8i/9i and MS Access Database development, MDM.
• Proficient in T-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

Development Tools: Visual Studio 2015/2013/2012/2010/2008 , Visual Web Developer Express.

Languages: C, C++, C#, VB.NET, SQL, T-SQL, PL/SQL

Microsoft Technologies: .Net Framework 4.5/4.0/3.5/3.0/2.0 , ADO.NET, ASP.NET 4.5/4.0/3.5, Silverlight 3.0/4.0, MVC 3/4/5, Restful WEB API2, Razor C#, AJAX, LINQ, WCF, WPF, Web Services, Entity Frameworks.

Mobile Technologies: XamarinForms(CrossPlatform), Xamarin.Android(Native), Xamarin.iOS(Native), Xamarin Studio(IDE), Telerik Test Studio

Scripting Languages: JavaScript, JQuery, AngularJS, Kendo UI, Knockout JS, Bootstrap, React JS

Markup Languages: HTML5, CSS3, XML, DHTML, XAML(Xamarin), XAML(WPF)

Methodologies: Agile, Waterfall

Reporting Tools: Crystal Reports, Data Base Reports, SSRS and SSIS

Version Control Tools: Team Foundation Server (TFS), Source tree, Git

PROFESSIONAL EXPERIENCE

Confidential, Warren,NJ

Sr. Xamarin Developer

Responsibilities:

• Involved in developing cross platform mobile application which can run on both iOS and Windowsplatforms from the architecture of the application to implementing it by usingXamarin Studio.
• Extend line of business functionality with Visual Studio Tools for Office.
• Utilize a tiered pattern for Silverlight projects with WCF RIA Services.
• Involved in parsingJSON and XMLfiles to obtain data to be used by Content Manager and Download Manager.
• Worked in agile environment with daily scrums and biweekly sprints.
• Extensively involved on the back-end side of the project mainly on download manager and content manager of the mobile application.
• Extensively worked on planning the Application and helped in creating the wireframes.
• Tracked progress through version one and communicated via team rooms in version one.
• Involved in making user stories and creating tasks to be completed in the sprint throughVersion One.
• Used XIB files for creating storyboards and for iOS UI experience.
• Extensively used the new feature ofC 5.0a sync and await to easily write code to perform multiple tasks simultaneously for the download manager without blocking the main thread.
• Responsible for creating Custom Renderers, Buttons, Labels, and Custom Font, as per business requirements.
• Included in changes to Restful API Services, to handle demand from POS server and reacted back with the required data by getting the data from the Database and used DIC.
• Involved in checking the code into the repository viaGIT, Source TreeandPerforce.
• Responsible for implementing reusable client proxy component for consuming the information from the Restful API using Modern Http Client component.
• Used SQLite.NET with Xamarin. Forms and MVVM for reading and writing data to a local SQLite database.
• Used Xamarin Insights for finding and debugging issues in the app.
• Used Xamarin test cloud to automate testing.
• Earned recognition for meeting deadlines in short amount of time, enjoyed working in a team and yet flexible to take individual responsibilities.

Environment: Visual Studio .NET 2015, .NET Framework 4.5, Xamarin Studio, XCode, Xamarin. Forms, MVVM, Xamarin test cloud, SQLite.NET, Azure Mobile Services, IOS, Android, Entity Framework

Confidential, Farmington Hills, MI

Xamarin Developer

Responsibilities:

• Involved in theSDLC phaseof 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 insoftware unit testingand efficient at fact-finding, root cause analysis andbug-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 2015, .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.

Confidential, Decatur, TX

Sr.NET Developer

Responsibilities:

• Worked closely with business partners and system analysis staff to understand desired system requirements.
• Developed design documents using Object Oriented Methods & involved in complete life cycle of development using agile methodology, Study Business Requirements, Analysis and converting business requirements into technical specifications.
• The Presentation Layer was implemented in ASP.NET using Web Forms, User Control and Web Controls. Business logic was developed using C#.NET 3.0.
• Used Ajax Control Tool kit to run client side script, enhance rich web UI, validation and showing div based Ajax extender.
• Called in on an emergency basis to assist in some tough issues in the conversion from VB6 to VB.Net using WPF.
• Actively involved in coding and designing using ASP.NET Master Pages, Themes, Skins, ADO.NET, JavaScript, XML, CSS and Visual Studio.Net 2005.
• Extensively used Dataset, Data Reader and Data Adapter objects to retrieve and manipulate data and display it onto an ASP.NET page.
• Involved in preparing client side validation forms by using Java Script.
• Created and reused various User Controls (.ascx files) for front-end Web forms using ASP.NET and C#.
• Implemented back-end connectivity using ADO.NET.
• DevelopedRESTFULWeb services, APIs, and other back end components.
• Built new WPF controls and repaired existing controls that were written by individuals who (apparently) were not familiar with Microsoft’s concept of the WPF design workflow, including interfacing to visual designers.
• Involved in Database design and development using triggers, UDFs, views, indexes, TSQL in SQL Server 2005.
• Worked with Oracle 10g database to access millions of customer records.
• Implemented a .Net Web services to upload millions of customer records to SQL Server 2005 database from oracle 10g database.
• Created WCF Service to look up and retrieve the data from database.
• Implemented AJAX and used Ajax control library toolkit to improve performance and features of application.
• Used Infragistics controls like Ultra Web Grid, Ultra Web Menu to retrieve, display, and manipulate data from the database.
• Used Forms Based Authentication to enforce security into the application and implemented Role Based security to control user access to portal.

Environment: .NET Framework 3.0, C#.NET 3.0, ADO.NET, ASP.NET, Visual Studio .NET 2005, WCF, WPF SQL Server 2005, Oracle 10g, IIS 6.0, AJAX Toolkit, DHTML, Infragistics Control Library, MS Access, NUnit, TFS, Windows XP.

Confidential - Madison, WI

.NET Developer

Responsibilities:

• Interacted with users to understand the business flow and gather their business requirements.
• FollowedAgile and Scrum Methodology.
• Worked withVisual Studio 2010/ .NET Framework 3.5/4.0to implement Business Logic.
• Developed and modified web pages usingASP.NETand C#.
• Worked withMVCarchitectureapplication usingASPXview engine and web API.
• Developed Views, controllers and business logic models using C#.
• Created design documents, Unit Test documents for new projects.
• Designed and developed common modules for Exception Handling, Security and Caching in the application.
• ADO.NET technology has been used to communicate with the SQL Server 2008 database.
• Used SQL Server 2008 to create tables, views for backend development.
• Extensively used WPF Layouts like Grid Panel, Stack Panel, and Dock Panel while designing the Views.
• Used ADO.NET objects like Dataset, Data Adapter, Data Reader and ADO.NET API Entity Framework to create generic secure and reusable data access components.
• Written Stored Procedures, Query's for Database connectivity using SQL Server 2008.
• UsedWCF Servicesfor communicating with other application and components.
• Extensively worked on WCF Services using C# code.
• Design and developed desktop applications usingWPF.
• Developed test pages for different flows of application usingJavaScript, JQuery, HTML5, CSS, AJAX and JSON.
• Developed large numbers of WPF Forms, Custom Controls and User Controls using XAML language for UI, extensively used WPF for modifying, developing the Desktop AWARE Application.
• Used Entity Framework as developed new entity objects using SQL server 2008 as backend.
• Develop / maintain all existing projects.
• Migration of Pre-existing Oracle\Legacy web forms segmentation pages to WPF.
• Deploy application in staging and prod environment.
• Used TFS source control management
• Tracked all the User Stories, Test Cases and Defects and comments for any changes to the existing User stories using HPE ALM Tool,
• Identified defects and reported them in HPE ALM Tool, communicated to the team, tracked and verified fixes.

Environment: .NET Framework 4.0, C, Visual studio 2010, MVC 3.0, ASP.NET, HTML5, CSS, Entity Framework 4.0, Web API, C#, Java Script, JSON, JQuery, XML, AngularJS, WCF, WPF, RESTFUL services, LINQ, MS SQL Server 2008, HP-ALM, Team Foundation Server, Microsoft SQL Server 2008.

Confidential

.NET Developer

Responsibilities:

• Designed and developed an n-tier architecture that included Presentation, Business and Data Access Layers using Silverlight, C#.Net and SQL.
• Designed, implemented and configured WCF service layer.
• Worked with WPF, Silverlight 3 in creating custom controls, data binding and graphics using Expression Blend.
• Managed to implement a layout system which adapt to changing window and display conditions by using WPF layout controls.
• Extensively used WPF page layouts, animated transition controls and key-frame animations.
• Worked extensively on web forms and data binding controls like Grid View, Data List and drop-down boxes and Mapping page fields to the database fields.
• Developed and consumed WCF Services to achieve Service Oriented Architecture (SOA) and communication between heterogeneous applications.
• Worked with WPF, Silverlight in creating custom controls, 3D graphics, data binding etc.
• Developed SOAP based WCF Services for providing Search and Authentication services and RESTfulWebAPIto send and receivewebservice messages.
• Used .Net assemblies for building forms and reports, linked tables with Access using SQL Server as Database.
• Used LINQ to retrieve information from the XML data files.
• Worked with Oracle 11g Database to access customer records.
• Session and view state objects used to maintain user session data and page post back operations respectively.
• Performed unit testing and the complete system integration testing.
• Worked on Production Support tickets by finding the issues and fixing them.

Environment: C#.NET 3.5, SQL Server 2008, Oracle 11g, .NET Framework 3.5, Visual Studio .NET 2008, IIS 7.0, Windows Vista, VSS, WPF, WCF, Silverlight 3.

Confidential

.NET Developer

Responsibilities:

• Involved in the complete analysis, design, development and implementation.
• Designed and developed the modules using VB.NET.
• Responsible for analysis, design, implementation, management and maintenance of full software development life-cycle (SDLC) project.
• Designed and developed the complete front-end application using Web Forms with C# as code behind.
• Designing and developing rich application for Web (ASPX/Silverlight) and Windows (WPF).
• Developed rich client interface using WPF and Silverlight 3.0.
• Managed to implement a layout system which adapt to changing window and display conditions by using WPF layout controls.
• Developed Server side .NET Email components in VB.NET and web services.
• Developed some of the stored procedure to insert, update and delete contents of tree view control and nested grids used in the application.
• CreatedUser Controls and Custom Controlsfor common purpose in the whole application.
• Used client side validation to forms usingJava Script.
• Involved in Database diagram design and Tables design in SQL Server.
• CreatedStored Procedures, Views, TriggersandComplex T-SQLqueries in SQL Server.
• Involved in the development and execution of unit test cases.
• Involved in Unit Testing and Integration Testing.

Environment: ADO.NET, ASP.NET Framework 4.0/3.5, MVC 4.0, Visual Studio 2010, C#, WCF, WPF, AJAX, TFS, Agile Methodologies, NUnit, MS Visio, Web Services, XML, XSL, HTML, HTML 5, CSS, JavaScript, JQuery, MS-Excel, SQL Server 2008