> Markdown version of [/jobs/ext/2702939-senior-xamarin-developer](https://www.wearedevelopers.com/jobs/ext/2702939-senior-xamarin-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Xamarin Developer - **Company:** Intersources Inc. - **Location:** Parsippany-Troy Hills, NJ, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** JavaScript (Programming Language), .NET Framework, Agile Methodology, ASP.NET MVC Framework, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Mobile Application Development, Cloud Computing, Databases, Continuous Integration, Software Debugging, Extensible Application Markup Language, Integrated Development Environments, JSON, JQuery, Node.Js, Objective-C (Programming Language), Object-Oriented Software Development, Scrum Methodology, Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Xamarin, Diagnostic Tools, Blazor, Swift (Programming Language), Solid Principles, Web Technologies, Front End Software Development, Restful APIs, Software Version Control, Server Operating Systems & Platforms, Web Api - **Published:** September 4, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/27941470#/jobs/27941470 ## About the Role * 5+ years of hands-on, professional experience developing in C# * 3+ year of experience in Xamarin development * 3+ years of experience with JSON, XAML/XML, and Web Services * 3+ years of experience working with .NET technologies including at least one of the following: Web API, ASP.NET MVC, Blazor, or MAUI * 3+ years of experience working with Databases * 3+ years of experience in Object-Oriented Design and Development (SOLID principles) * 2+ years of experience with unit testing * 1+ year of experience working with JavaScript, jQuery, NodeJS and/or other related front-end web technologies * 1+ year of experience working with the Agile methodology/SCRUM process * Preferred Skills: * 1+ year of experience with other mobile development languages such as Swift, Objective C, JavaScript * 2+ years of experience working with Azure * Solid understanding of Continuous Integration, server operating systems and cloud hosting models, able to setup development environment from scratch, and create new CI builds within an established CI pipeline and deploy to established infrastructure * Ability to implement and consume SOAP or REST services * Demonstrates proficiency in advanced debugging and troubleshooting tools and techniques * Strong database programming skills * Strong written and verbal communication skills * Bachelor's degree in technical discipline desired ## Description * Delivers code on time independently, meeting the Definition of Done * Operates as a "full-stack " developer on at least one platform and technology * Develops and has demonstrated depth in two or more technologies or platforms * Mentors more junior developers in pair-programming sessions * Provides design guidance within an established architecture * Applies patterns and SOLID principles as second-nature * Sets up development environments from scratch * Provides hosting requirements for deployment * Creates new builds in an established CI infrastructure and deploys code to established infrastructure * Designs features with supervision * Trains new team members in source control management, continuous integration, and story management tools * Identifies and proposes design and performance improvements to client applications, systems and processes * Raises issues to clients * Resolves issues 1:1 with client peers ## Related Videos - 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