SUMMARY

• Over 8 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 usingXamarin Forms and PCL components.
• 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 Traditional Approach.
• 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, 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 #.
• Good working experience in making web applications AJAX based to improve the response time.
• 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 framework.
• Experience in Windows Communication Foundation (WCF), Windows Workflow Foundations (WWF), .NET Framework 3.0 / 3.5, Windows Presentation Framework (WPF), LINQ and NUnit.
• Extensive experience in developing, debugging multi-tier applications using C#, AJAX, XSLT, XML, XHTML, Serialization, .Net Remoting, CSS, AngularJS, Multithreading and Agile programming methodologies.
• Hands on experience in VB Script, Java Script, HTML, DHTML, IIS 5.0/6.0 and CSS.
• Worked extensively on ADO.NET to access databases like SQL Server 2000/2005 & Oracle 9i/10g.
• Experience in database development, for creating complex database queries, writing Constraints, Indexes, Views, Stored Procedures, Cursors and Triggers in SQL Server 2000/2005, Oracle 9i/10g.
• Proficiency in using various database access technologies like XML, XSLT and XPATH.
• 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.
• Experience in working with IIS, Creating and configuring the virtual directories map them to physical folders.
• 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 Mercury Quality Centre for bug tracking.

TECHNICAL SKILLS

Web Technologies: ASP.Net 4.0/3.5/2.0, ASP, CSS, ADO.Net, AJAX, Web services, Remoting, WCF, MULTI threading, AngularJS, HTML, DHTML, XHTML, and VB.NET.

Operating Systems: Windows 98/2000/2003, Windows XP, Windows 10, OS X.

Languages: C, C++, C#, SQL, SQLite, Core Java, T-SQL, PL/SQL, VisualBasic6.0.

XML Technologies: XML, XAML, XSLT, XPATH, WSDL, UDDI.

Scripting Languages: JavaScript, VB Script, and JQuery.

RDBMS: SQL Server 2005/2008, MS-Access, Oracle 8i/9i/10g.

Development Tools: Microsoft Visual Studio.NET, Xamarin studio Excel, TOAD, Content Mgmt. Tools, Business Intelligent Tools (SSIS, SSRS, SSAS).

Application Server: IIS 5.0/6.0.

Source Control: GitHub, Microsoft Visual SourceSafe, Subversion (SVN), Team Foundation Server.

Others: UML, Crystal reports 9.0/10.0/11.0, Dev Express, JIRA.

PROFESSIONAL EXPERIENCE

Confidential, Columbus, Indiana

Xamarin Developer

Responsibilities:

• Developed a cross platform application which runs on iOS, Android and UWP using Xamarin Studio.
• Involved in architecture of the project and maintain the MVVM form across the code.
• Involved in checking the code in github and maintaining the logic.
• Involved in designing and creating complex and dynamic UI pages on Xamarin.Form PCL like iOS, Android and windows tablet using C#.
• Created custom renderers like list views with button, Bind able picker, Date picker and renderer for showing PDF as a web view.
• Involved in architecture of local database on physical device using SQLITE.
• Worked on POC for maintaining local data base.
• Using SQLite database withXamarin.Form forms to save necessary information into device local database which allows user to work on application even in offline mode.
• Using Xamarin Insights and Hockey app for analytics and error handling.
• Using Oauth2.0 Web services using Xamarin.auth
• Developing for Universal Windows Platform usingXamarin.Form.
• Resolving critical bugs assigned in JIRA.
• Implemented extreme programming by using fast paced agile methodology, involving in task completion, user stories, and iterations.

Environment: Xamarin studio, Xamarin.Insight, C# 5.0, Android SDK, MONO SDK, iOS SDK, REST, Visual studio 2016, Salesforce DB, JIRA, GITHUB, SQLite, Ms-Excel, Ms-Word.

Confidential, Winston Salem, NC

Xamarin/.NET Developer

Responsibilities:

• Used C# inXamarin to create native mobile application.
• 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
• Developed Cross Platform application usingXamarin.Form and deployed on both IOS and Android Platforms.
• Using different types of layouts for sizing and positioning for child elements like absolute layout, Stack layout, Relative layout, Grid Layout, Frames etc.
• Using MVVM features such as data binding and testability also used dependency services for accessing native mobile features.
• Tested the application on more than 2000 Real Devices by usingXamarin Test cloud.
• Used Team foundation server as a source control.
• Used LINQ to Entities, LINQ to XML and LINQ to Objects for retrieving the data efficiently.
• Experience in writing the stored procedures and Functions using Oracle through the TOAD tool according to the user requirements.
• Experience in creating the tables, views, indexes for better querying the database.
• Involved in creating the custom base classes to give the different feel to the presentation layer using the C# .Net Framework.
• Exposure to MVC using C#.
• Developed test cases and performed unit testing.
• Implemented various Validation controls.
• Involved in the iterative process of development in Agile and Scrum environment.

Environment: Xamarin studio, Xamarin.Insight, C# 5.0, Android SDK, MONO SDK, iOS SDK, REST, Visual studio 2016, Salesforce DB, JIRA, GITHUB, SQLite, Ms-Excel, Ms-Word, NetFrame Work 4.0, Visual Studio 2013, ASP.NET, C#.NET, DevExpress controls, reports and code refactoring tools, Visual Source Safe, Oracle 11g, TOAD for Oracle, Microsoft FxCop, Lotus Notes, Windows XP, Notepad++, HP Quality Center.

Confidential, St. Louis, MO

.NET Developer

Responsibilities:

• Understanding and analyzing the client’s requirement and involved in GUI designing of the application.
• Modified built in classes for the applications to in corporate necessary functions.
• Responsible for the design and maintenance of the web pages using ASP.Net 3.5 and C# and Microsoft Content Management System.
• Created several user controls.
• Used Jquery, Java Script, CSS and HTML in design of web pages and validating user inputs.
• Involved in designing and developing different modules using C#, ASP.Net and JavaScript.
• Design, Development of Web Forms using OneCms.
• Responsible for writing the store procedures, triggers, functions and views on both Oracle and SQL Server database for different applications.
• Executed queries using Toad tool for testing purpose.
• Used AJAX Controls and Extenders to increase the functionality of web page calling the other pages asynchronously to reduce the network traffic.
• Designed, developed and deployed templates in Content Management System.
• Used Data Grids extensively for development of user controls.
• Worked with XML and XQUERY for Troubleshooting.
• Designed cascading style sheets to set style on ASP.NET pages.
• Implemented page level error handling using Custom Error pages and Error logs.
• Implemented tracing using trace listeners and trace switches; configured the application for debugging.
• Used WPF to create attractive and effective rich user interface using XAML document.
• Worked on creating, consuming WCF Services to send and retrieve data from Ordering Systems.
• Created reports using SSRS reporting services.
• Developed test cases and performed unit testing.
• Implemented various Validation controls for client-side validation of Server Controls.
• Used Query Analyzer extensively for querying the database for additions and modifications.
• Configured and implemented caching using Cache objects and Cache directives.

Environment: .Net Framework 2.0/3.5, Visual Studio 2008, ASP.NET, C#, SQL Server 2008, SSRS, SSIS, Oracle 10g, JavaScript, jQuery XML, AJAX, Windows Communication Foundation(WCF), Windows Presentation Foundation(WPF), XAML, XML, Xquery, Windows XP, Notepad++, Team Foundation server.

Confidential

.Net Developer

Responsibilities:

• Involved in the analysis, design & development and testing of the system
• Developed and enhanced user registration, profile maintenance, web-based publishing, error tracking and reporting software in Python and ruby
• Participated in preparing detailed design documents, identification of major classes to be implemented and their purpose
• Performed Windows Service asynchronously calling and getting the data from the server in the background using multi-threading to write-off 1.2 million records on a daily basis
• Developed User Interface pages using ASP.NET Web Forms, Web Server controls and custom user controls, HTML, DHTML, XML, XSL, CSS, JavaScript, C#.
• Used innovative validation techniques for User Input Validations
• Involved in design and development of middle tier web services which encapsulate the business logic in its methods and wrote data access classes using ADO.NET and C#
• Implemented server Caching techniques, Exception handling, State management, Forms Authentication in ASP.NET.
• Developed web services to interact with other applications running on another platform by using VS.NET2005.
• Involved close coordination with the project manager and business analyst in discussing and planning product features, including user management, permissions, and privileges
• Involved in implementation of the claims processing and state management
• Developed PDF claim generation module, for dynamically creating claim documents
• Wrote complex stored procedures, Functions, Triggers for data retrieval and manipulation in backend SQL Server 2005.
• Implemented various transformations, tasks on the data using SSIS.
• Responsible for loading the data from one source to another source like (flat file, xml, databases) using SSIS
• Responsible for designing and developing Reports in SSRS for .NET
• Created the use case diagrams for SET in UML using Software Architect
• Implemented Agile Software the status and performance of the project by making proper decisions based on the charts
• Maintained different versions of project source code, builds and documentation in VSS.

Environment: VisualStudio 2005, ASP.Net, C#, C++, .Net Framework 1.1/2.0, HTML, Python, DHTML, CSS, XSL, XML, ruby, Web Services, SSIS, SSRS, Crystal Reports, SQL Server 2005, Oracle, IIS, Windows Server 2003, Visual Source Safe, MS Visio.

Confidential

.Net Developer

Responsibilities:

• Participated in designing & developing of Web User Interface screens using ASP.Net, Win forms using C#.
• Extensive development of ASP.NET UI pages using Master pages, AJAX, client, server and custom controls for manipulating and displaying data on the Webpages.
• Used Dev Express for developing GUI Applications.
• Designed, developed, and integrated Python based content management system and product slide show with existing system, wrote and integrated Python API to communicate with web host management software via HTTP/XML requests.
• Extensively implemented OOP’s concepts for code reuse in developing business layer, database access layer
• Implemented content management system by using dotnetNuke third party software for the easy management of application
• Handled Errors using error handling exceptions, tracing and debugging
• Created Secure logins, Roles and connection the database by implementing in Web.Config files
• Participated in designing database and created complex stored procedures, triggers, cursors and views for both SQL server 2000/ 2005
• Implemented various tasks and transformations on database data using SSIS.
• Transformed various data sources to flat files, xml files using SSIS sources and destinations.
• Involved in optimization of database queries, made extensive use of query execution plan, SQL server profiler, index tuning wizard tools in SQL server 2005
• Involved in the technical support for remote data collection, data visualization, community-related social networking and consumer Applications.
• Prepared test plans and did unit testing of the programs developed
• Gathered and documented requirements specifications using UML use-case methodology
• Worked on documentation of the project and provided technical support for the clients

Environment: ASP.NET, C#, AJAX, CSS, Dev Express, Web Services, .Net Framework 3.0/3.5, UNIX, Visual Studio 2005/2008, Team Foundation server, SQL Server 2005, XML, IIS 6.0, JavaScript, XSL, DotnetNuke, SSRS, SSIS, Visual Source Safe, WCF, WPF, XAML, WWF, Crystal Reports, MS Visio.