PROFESSIONAL SUMMARY:

• 8 years of experience in Client /Server, Web Applications, Mobile Applications and Windows applications using Microsoft Technologies and .NET framework.
• 4 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 and implementation of major systems and 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 and 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.
• 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).

SKILL:

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, (Cross Platform), Xamarin.Android(Native), Xamarin.iOS(Native), Xamarin Studio(IDE), Telerik Test Studio

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

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, Farmington Hills, MI

Sr. Xamarin/.Net 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.

Sr. iOS Application Developer

Confidential, Chicago, IL

Responsibilities:

• Built a Hybrid Application in Swift 2.2 for replacing the flight attended user manuals.
• It is a web application which downloads XML and graphic content of selected manual, parse it with inbuilt foundation package (which is a combination of HTML/CSS) to display the content on a WKWebView.
• Built custom auto - correct from set of words within united manuals and used CLucene (C++) search engine to implement search functionality within the manuals app.
• Fine-tuned the app to meet Federal Aviation Administration (FAA) Standards by giving high priority to reliability and making the app completely crash free and converted swift 2.2 code to swift 3.0 using the migrator tool.
• Implemented the User Interface and custom touch responses like bringing up additional popup options on selecting a text and their functions using JavaScript and built a UIMenu Controller and action sheet for custom actions within the app.
• Worked on SQLite database and FMDBWrapper class to store user's applications state and data.
• For security, Encrypted the database with SQLCipher API
• Took help of Akamai servers to cache the download request on their proxy servers around the world
• Incorporated IBM's DataPower to empower authentication process and is a token based authentication.
• Integrating the beta testing tools Testfairy and Crashlytics in QA version releases
• Used AFNetworking library to implement the download operations and network calls.
• Interacted closely with Business, network and testing teams to solve the issues efficiently
• Took advantage of various encryption algorithms like base64, AES, MD5 along with keychainWrapper class to encrypt user credentials.
• Took help of F5 load balancer to balance the network load Used SOAP UI to test the web-service calls. Fixing some difficult app crash issues by symbolicating crash logs.

Environment: IOS 7.0, 8.0 and 9.0 (iPhone SDK), Mac OS 4. X, Objective C, Swift 2.2/3.2, X Code 7.1/6.4, Cocoa, Cocoa Touch, Cocoa framework, IPhone Simulator 4.1, JavaScript, JQuery, Adobe CS5 Suite (Photoshop, Dreamweaver), MapKit, Core Location, AVFoundation

Xamarin Developer

Confidential, Dallas, TX

Responsibilities:

• Designed the architecture for the application to be cross platform compatible.
• Developed iOS application using C# withXamarin.
• Developed applications for both Android and iOS.
• Developed barcode scanning application usingXamarin.Forms, and SQLite
• Implemented RESTful services for web service calls to the database.
• Implemented OAuth 2 Web Services usingXamarin.auth.
• Developed data entry application with camera integration usingXamarin.Forms, and SQLite
• Developed test automation framework for mobile application development usingXamarin.
• Utilized Azure Mobile services as back - end of mobile applications.

Environment: s:Xamarin, Xcode, Android SDK, C#, Visual Studio .NET 2013, .NET framework 4.0 & 4.5, Azure web services

Sr.Xamarin/.NetDeveloper

Confidential, Jersey City, NJ

Responsibilities:

• 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# inXamarinto 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 usingXamarin.Android andXamarin.iOS when performance was the issue withXamarinForms.
• Developed Cross - Platform Mobile app usingXamarinForms with code sharing between all plaforms (Android, iOS and Universal Windows apps)
• Worked on automated UI Acceptance testing usingXamarinTest 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 withXamarinforms 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 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.

Xamarin Developer

Confidential

Responsibilities:

• Developed windows phone and windows store C#, Xaml and HTML, JavaScript apps.
• Designed and architected the application using the MVVM pattern.
• Managed a team size of 5 members.
• Gathered requirements from Client and prepared the ROM's and technical design documents.
• Developed rich UI with HTML, CSS & XAML
• Implemented client side validations using Java script and JQuery
• Implemented Object Oriented concepts for this application.
• Developed and consumed Rest services.
• Implemented entity framework extensively to interact with SQL Server.
• Implemented ADFS authentication to Windows phone 8.1 and Windows Store apps.
• Integrated Yammer authentication to Windows phone 8.1 and Windows Store apps
• Created Web role and Worker role in Windows Azure.
• Developed and consumed rest services hosted in Windows Azure.
• Designed Data Base up to third normalization form.
• Created nugget packages using power shell script and consumed in Windows phone and store apps.
• Developed prototypes to consume the data from SQLite database.
• Created visual studio project template extension.
• Have experience on mobility devkit tool kit framework used to develop cross platform apps i.e. windows phone, windows store(C#, Xaml & JavaScript, HTML)
• Have experience on windows phone app development.

Environment: Asp.Net 4.5, C#.Net, SQL Server, Windows Phone 8.1 SDK, WPF, JavaScript, WCF, Visual studio2012, MVVM, WIX 3.7, XAML