> Markdown version of [/jobs/ext/3984391-senior-net-developer](https://www.wearedevelopers.com/jobs/ext/3984391-senior-net-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 .Net Developer - **Company:** System One - **Location:** Quantico, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Agile Methodology, Ajax (Programming Language), Applications Architecture, C Sharp (Programming Language), Software Design Patterns, JQuery, Microsoft SQL Server, Model View Controller (MVC), Object-Oriented Software Development, Scrum Methodology, Web Applications, ReactJS, Blazor, Software Application Programming, Vue.js, AngularJS - **Published:** October 28, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9269847/senior-net-developer ## About the Role * 4+ years of experience with developing ASP.NET-based applications * 4+ years of experience with developing applications using C# * 4+ years of experience with object-oriented design and development * 4+ years of experience with using .NET MVC * 2+ years of experience with Microsoft SQL Server * Experience with .NET 4.5 and 5.0 framework * Expert with abstraction, advanced techniques, best practices, and design patterns * Expert with client-side technologies, including HTML, JavaScript, JQuery, and Ajax * BA or BS in related field desired ADDITIONAL QUALIFICATIONS: * Experience with React, AngularJS, and VueJS * Experience with Blazor * Ability to collaborate and work well with others ## Description * Design and Develop .NET based web application functionality using C# and MVC * Build web applications using JavaScript, JQuery and other client-side technologies such as Vue JS * Design and develop applications using agile development and SCRUM processes * Research problems discovered by QC or product support and provide acceptable problem resolution