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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Application Developer, Secret cleared - **Company:** ASRC FEDERAL - **Location:** Merrifield, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Unity 3d, ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Agile Methodology, Ajax (Programming Language), C Sharp (Programming Language), Cascading Style Sheets (CSS), Computer Programming, Relational Databases, Web Development, Language Integrated Query, Entity Framework, JQuery, Microsoft Visual Studio, Microsoft SQL Server, Team Foundation Server, Model View Controller (MVC), NHibernate, Oracle (Applications), Microsoft SharePoint, SQL Databases, Extensible Markup Language (XML), Resharper, .NET Core, Information Technology, Devsecops - **Published:** September 19, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9098083/senior-net-application-developer-secret-cleared ## About the Role * 8+ years of recent ASP.NET, C#, and MVC-based web development using Visual Studio 2017 or higher. * 5+ years of .NET Core/.NET Standard development experience. * 5+ years of experience with Agile development methodologies, including sprints, backlog grooming, and Agile ceremonies. * Strong experience with ASP.NET, C#, LINQ, MVC, Entity Framework, and Unity. * Significant recent JavaScript and CSS development experience. * Experience with HTML, AJAX, jQuery, SQL, and relational data models. * Experience with Oracle and SQL Server databases. * Experience with XML and XML programming libraries. * Experience developing in an environment supporting 10,000+ users and an RDBMS with 250+ tables and 1M+ total rows. * Experience with Team Foundation Server (TFS). * Experience packaging and delivering software and documentation to production. * Excellent communication and collaboration skills. * Experience with SharePoint, NHibernate, T4 templates, ReSharper, and Classic ASP is a plus., * Bachelor's degree in Computer Science, Engineering, or a related field. * 12+ years of general experience, including 10 years of specialized and/or hands-on Agile development experience. * 12+ years of demonstrated experience may substitute for the degree requirement. Clearance & Eligibility * U.S. Citizenship required * Active Secret clearance required * Must meet government security investigation and DEA suitability requirements ## Description * Develop and enhance applications within the Concorde framework, delivering high-quality, efficient solutions in a collaborative Agile environment. * Participate in sprints, backlog grooming, Agile ceremonies, development activities, and technical demonstrations. * Develop and support applications across Classified, Unclassified, and Sensitive but Unclassified (SBU) environments. * Support legacy applications and contribute to seamless integration and operational continuity. * Apply DevSecOps principles throughout the development lifecycle. * Quickly deliver small projects and transition effectively between applications and priorities. * Package and deliver software and documentation to production. ## Related Videos - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE - the weekly developer show with Chris Heilmann and Daniel Cranney](https://www.wearedevelopers.com/videos/1309-wearedevelopers-live-the-weekly-developer-show-with-chris-heilmann-and-daniel-cranney) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Architectures that we can use with .NET](https://www.wearedevelopers.com/videos/935-architectures-that-we-can-use-with-net) - [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)