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Xamarin Developer Resume

Houston, TexaS


  • 7+ years of professional experience in Application Development using ASP.NET, C#.NET, ADO.NET, Visual Studio, SQL Server, Html, CSS, JavaScript, JSON and MVC in which 4 years of professional experience in application development using Xamarin studio, iOS SDK, Android SDK,
  • Experience in designing scalable applications through load balancing and performance tuning.
  • Excellent experience in developing applications using Xamarin Studio.
  • Experienced in creating user interface using native elements with the help of Xamarin. IOS
  • Experience in Integrating REST web services for Android as well as iOS web services.
  • Extensively experienced in design and development of Windows, Web applications using C#, ASP.NET, ADO.NET, Visual Studio.NET and .NET Framework
  • Familiar with send exceptions, events, user data, and other information to Xamarin Insights
  • Developed and used various Web forms, Custom Controls and User controls using ASP.NET, C# and JavaScript.
  • Expertise in creating Partial Views, Web Forms, User Controls, Custom Controls, Web Controls, Web Parts using C#, VB.NET, ASP.NET, HTML, Java Script and AJAX and jQuery brown bag sessions.
  • Extensively used .NET Caching Techniques.
  • Performed automate testing by using Xamarin test cloud.
  • Created stored procedures for inserting, deleting and updating screens data into database using SQL Server.
  • Extensively worked on various design patterns like Singleton, Delegation, Facade, Decorator, MVC, and MVVM in various projects.
  • Insight Knowledge on LINQ to Entities, awareness, and exposure to LINQ to SQL programming models.
  • Experience in Visual studio 2008, 2010 and 2012.
  • Strong Background in implementation of OOPS concepts.
  • Experience in designing GUI screens using usability and design principles.
  • Worked extensively with Data Adapter, Dataset and Data reader as a part of ADO.NET for database operations.
  • Worked on automated UI Acceptance testing using Xamarin Test Cloud
  • Worked on automated UI Acceptance testing using Xamarin Test Cloud and Hockey App for distribution
  • Experience on track custom events and view the aggregate results on the Hockey App dashboard.
  • Developed an Azure based high performance compute environment to support the massive computational requirements of client congressional redistricting Azure application.
  • Proficient in Object Oriented Design/Development (OOD), Object Oriented Analysis and Design (OOAD), Model View Control (MVC), Model - View-View-Model (MVVM) design pattern and Test Driven Development (TDD)
  • Configured the use of the Azure Notification Hub inside the Azure portal for both the APNS (iOS) and GCM
  • Hands-on experience in various Relational Database Management Systems (RDBMS) MS SQL-Server, T-SQL, PL/SQL- Writing Constraints, Indexes, Views, Stored Procedures and Triggers.
  • Very strong experience on Microsoft .NET based windows Applications and Web Development using C#.NET
  • Used Agile methodology for app development and involved in weekly and monthly Scrum meetings to discuss aspects of code related modules
  • Deep experience in Source Code Management using tools like Git, which is an Open Source Version Control/ Source Control System.
  • Effective in working independently and collaboratively in teams.
  • Excellent analytical and interpersonal skills, oral and written communication skills.


.Net Technologies: ASP.Net, ADO.Net, AJAX, Web Services, Angular JS, Web API, WSE, WCF, LINQ, MVC, .Net Framework 1.1/2.0/3.0/ 3.5/4.0

Internet Technologies: Microsoft Office SharePoint Server (MOSS) 2007, SharePoint Portal Server (SPS) 2003, Micro services/SOA, Windows SharePoint Services 3.0/2.0, Share point 2013

Web Technologies: ASP, jQuery, VBScript, JavaScript, HTML, DHTML, CSS, XML, XSLT, XPath, ExtJs, AngularJS, Knockouts, Restful services

RDBMS/ Databases: MS SQL Server 2000/2005, DB2, Oracle, MS Access

Database Mapping: nHibernate, Entity Framework

Version Control System: Visual SourceSafe (VSS), Team Foundation Server(TFS)-2010

Front End Tools: Visual Studio 2010/2008/2005/2003, Visual Studio 6.0, FrontPage Editor, Dream weaver

Web/App Servers: Internet Information Server (IIS 5.0/6.0), Web Logic, Web Sphere Application Server 5.x, 6.x

Specialize Tools: PL-SQL Developer, Log4Net, Microsoft Enterprise Library, Crystal Reports, Active Reports, DevExpress Reports, Infragistics, MS Office, Visio, XMPie

Testing Tools: nUnit, Easy mock, HP QC, JIRA, Win runner

Operating Systems: Windows 95/98/2000/XP/NT, Vista, Windows 2003 Server Bug Tracking Technologies Xamarin Insights


Confidential, Houston, Texas

Xamarin Developer


  • Designed the architecture for the application to be cross platform compatible.
  • Developed iOS application using C# with Xamarin
  • Developed applications for both Android and iOS.
  • Developed barcode scanning application using Xamarin.Forms, and SQLite
  • Implemented RESTful services for web service calls to the database.
  • Used Hockey App to allows to track custom events to understand user actions inside app.
  • Used Xamarin Insights for analytics and error handling.
  • Worked on automated UI Acceptance testing using Xamarin Test Cloud.
  • Implemented OAuth 2 Web Services using Xamarin.auth
  • Using SQLite.NET with Xamarin.Forms and MVVM for reading and writing data to a local SQLite database.
  • Used Xamarin Insights to log errors, identify users, and track application usage.
  • Performed all unit testing, debugging and post-release support using Xamarin Test Cloud with different iOS/Android OS versions and devices.
  • Experience with identify and authenticate users against registered testers with the HockeyApp backend.
  • Developed data entry application with camera integration using Xamarin.Forms, and SQLite and have experience with AGILE software development, MVC, MVVM, and design patterns.
  • Developed test automation framework for mobile application development using Xamarin.
  • Utilized Azure Mobile services as back-end of mobile applications.
  • Implemented extreme programming by using fast paced agile methodology, involving in task completion, user stories and Iterations.

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

Confidential, San Francisco, CA

Xamarin Developer


  • Wrote technical specifications and maintained all reports pertaining to application development process.
  • Developed Android, Windows and iOS applications using C# with Xamarin.
  • Integrated native iOS frameworks and APIs into Xamarin applications using Automatic Binding Generator.
  • Integrated REST web services for both Android and iOS web services.
  • Developed and Integrated UI Elements for a more intuitive experience using Android's best practices of OOD
  • Experience using various design patterns like delegation, singleton, MVC and decorator.
  • Created user interface using native elements with the help of Xamarin.iOS.
  • Using Xamarin Insights and Hockey app for analytics and error handling.
  • Implementing Xamarin Test cloud along with Xamarin Test Recorder to efficiently run the UI test scripts across all platforms.
  • Worked on application development in WPF with MVVM architecture which includes a user interface where user can login, order the blinds and associate the order with an appointment.
  • Constructed several business classes for use with the API Controllers to return filtered data from the Azure
  • Implemented the Xamarin Insight crash reports, users, audience and events for monitoring the app across App Store and Google Play.
  • Wrote clear, modular, and effective code using a MVVM architecture pattern
  • Using SQLite.NET with Xamarin.Forms and MVVM for reading and writing data to a local SQLite database.
  • Designed architecture of an application to make sure the code is cross platform compatible.
  • Created six user-friendly, aesthetically pleasing and fully functional application for Android, Windows and iOS.
  • Used apples' Instruments tool for diagnosing memory issues in iOS application.
  • Used Git for source/version control.

Environment: Xamarin studio, C#, iOS SDK, Android SDK, Git, Hockey app, Xamarin Test Cloud, Azure web services, .Net 4.0.

Confidential, Jacksonville, FL

Senior .Net Developer/ Xamarin


  • Gather User requirements, develop BRD (Business Requirement Document) and generate Functional requirements.
  • Design and develop UI with Xamarin IDE, with backend SQLite database with web service connectivity to application web servers.
  • Develop Front end user interface screens using XCODE 3.0, 4.0, Xamarin Studio, dynamic user controls generated at run time.
  • Created custom dynamic controls to reduce complexity in User Interface screens and implement Business logic using C#. NET for all mobile environments
  • Develop Helper Classes to extract and transform data from different data sources back to SQLite Database using web services.
  • Performed all unit testing, debugging and post-release support using Xamarin Test Cloud with different iOS/Android OS versions and devices.
  • Worked with Object-Oriented Design (OOD) to add detail and design to the model.
  • Web Service Helper classes have been implemented using custom end point behavior, enabling authentication headers to be sent over web services.
  • Designed rich user interface screens and developed mobile based applications using native design platforms and integrated with Xamarin Studio.
  • Wrote a separate back-end .NET Windows Service to upload data into the Azure SQL instance from a private
  • Support, Enhance and maintain mobile applications which are used by prospective clients and existing customers to generate various illustrations and run investment calculations for various investment profiles.
  • Created custom libraries to generate and display Reports over various mobile platforms like IOS, ANDROID, and WINDOWS. PDF generation is also provided with an option to connect to printers over network.
  • Wrote complex SQLite queries, as Stored Procedures and Triggers cannot be used with SQLite database. Wrote custom database mapping classes to enable LINQ features over mobile platforms
  • Involved in Production support, Documentation, Unit testing and Bug fixing.

Environment: Xamarin Studio 3.0, 4.0, Xamarin.IOS 7, 8, Xamarin. Xamarin Test Cloud, Android 4,5, Xcode 3,4, .NET Framework 3.5, ADO.NET, WCF, Web Services, LINQ, SQLite, MAC OS.


.NET Developer


  • Involved in understanding and analyzing the clients' business, requirements for the system.
  • Extensively worked on ASP .NET architecture for building web applications.
  • Involved in Design and Developing components of this application using ASP.NET, C# .NET, VB. NET, JavaScript, XSLT.
  • Used nHibernate, WPF to communicate between DAL and other business components.
  • Developed complex MVC Controller, View Models and Helper methods linked to backend database.
  • Implemented business, database access layer classes in C# using UML class diagrams and sequence diagrams. Used AGILE methodology and participated in SCRUM meetings.
  • Written SQL Queries, Stored Procedures, Triggers, Backup and Restore Database, defining roles, creating database users, assigning roles to users using Sql Server 2000.
  • Set up Software Installation Microsoft .Net and IIS Server Configuration.
  • Involved in developing of reporting services using SSRS.
  • Application design based on n-tier Architecture.
  • Extensively involved in developing components for Business and Data tier using C#, ADO.Net, LINQ.
  • Involved in preparation of cascade style sheet (CSS) files.
  • Developed secured web services using .Net, C#, XML/SOAP.
  • Written code to access secure web service using .Net, Web form using C# and ASP.Net, WSDL, Proxy Class, XML/SOAP.
  • Extensively involved in Stored Procedures Optimization.

Environment: Net Framework 3.5, C#.NET, ASP.Net 3.5, ADO.Net, SQL Server 2008, Angular JS, Visual Studio.Net 2008, TSQL, XML, XSLT, Edit Plus, WCF, UML, VSS, WPF, Azure, Photoshop, Ajax, JavaScript, SSRS, DHTML, CSS, HTML, N-Unit, IIS, Visual SourceSafe, Windows XP.

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