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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Level .NET Developer - **Company:** Blue Rose Consulting Group - **Location:** Washington, DC, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** ASP.NET, .NET Framework, Agile Methodology, Data Analysis, C Sharp (Programming Language), Mobile Application Development, Continuous Integration, Data Deduplication, Entity Framework, Design of User Interfaces, Human-Computer Interaction, Microsoft SQL Server, Object-Oriented Software Development, Software Engineering, Enterprise Software Applications, .NET Core, Gitlab, Software Version Control, Web Api - **Published:** August 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0151ba192505d12b ## About the Role * 4+ years of C#/ASP.NET software development experience on complex technical projects, including highly available national security systems. * Intermediate understanding of C#/ASP.NET enterprise software architecture components and patterns. * Intermediate understanding of ASP.NET Framework 4.0 or greater and .NET Core. * Experience with both client-side and server-side development. * Experience with Entity Framework. * Experience with Visual Studio 2019+. * Experience with object-oriented analysis and design. * Experience with SQL Server. * Experience with GitLab source control. * Experience with data analysis and reconciliation. * Experience with multi-source data integration and deduplication. * Experience with query development and reporting. * Experience with user interface design and development. * Strong problem-solving skills and attention to detail. * Active Final DoD Secret Security Clearance., * Experience developing Web APIs. * Located in Colorado or the DMV area. * Experience supporting a large-scale federal IT program. * Experience with the SAFe Agile delivery framework. ## Description Blue Rose Consulting Group is seeking a Mid-Level .NET Developer (Programmer 2) to support a large-scale .NET application within a national security environment. This position will develop and enhance C#/ASP.NET solutions while supporting data analysis, reconciliation, consolidation, reporting, user interface development, mobile application development, and CI/CD activities., * Develop and maintain enterprise applications using C# and ASP.NET. * Support both client-side and server-side application development. * Perform data analysis, reconciliation, and consolidation. * Integrate data from multiple sources and support deduplication activities. * Analyze trends and patterns and develop queries and reports. * Design and develop user interface components. * Support mobile application development. * Develop solutions using .NET Framework and .NET Core. * Work with Entity Framework and SQL Server. * Support Web API development. * Use Visual Studio 2019+ and GitLab source control. * Participate in CI/CD and Agile software delivery processes. * Apply object-oriented analysis and design principles to application development. ## 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) - [Blazor Unleashed: The Future of .NET Web Development](https://www.wearedevelopers.com/videos/1564-blazor-unleashed-the-future-of-net-web-development) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now) - [Developing ASP.NET Core Microservices with Dapr: A practical guide](https://www.wearedevelopers.com/videos/1528-developing-asp-net-core-microservices-with-dapr-a-practical-guide) ## 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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)