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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NET / C# Developer, Senior - **Company:** Kaimetrix, L.L.C. - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Microsoft Windows, Unit Testing, Bug Tracking Systems, Software Bug Management, C Sharp (Programming Language), Code Review, Web Development, Internet Information Services (IIS), Windows Servers, Model View Controller (MVC), Systems Development Life Cycle, Software Engineering, SQL Stored Procedures, SQL Databases, System Testing, Web Applications, Bug Reporting, Software Coding - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=c82d1235ae358a9b ## About the Role Do you have experience in Windows?, * Eight (8) years of experience in .NET development, including MS .NET, C#, MVC 4+, and IIS for Windows Server web development * Five (5) years of experience working within an SDLC * Five (5) years of experience with development testing (Unit/System/Functional/UAT or similar) * Five (5) years of experience in SQL database development, including stored procedures * Five (5) years of experience mentoring junior personnel on proper practices and procedures * Five (5) years of experience documenting software defects using a bug tracking system and reporting defects to developers and project managers, * Active TS/SCI clearance with SBI, with the ability to attain SI, TK, G, HCS, and NATO Secret access * DoD 8140.03 IAT Level II / Intermediate certification ## Description Kaimetrix is seeking a Senior .NET / C# Developer to support secure, mission-critical web applications in a Microsoft-oriented enterprise environment. This role is responsible for designing, developing, testing, and maintaining .NET solutions built with C#, MVC 4+, and IIS on Windows Server, while applying disciplined SDLC practices, strong defect management, and hands-on mentorship to junior developers., * Design, develop, and maintain web applications using MS .NET, C#, MVC 4+, and IIS for Windows Server web development * Participate in the Software Development Life Cycle (SDLC), supporting delivery through planning, development, deployment, and sustainment * Perform and support development testing activities, including Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT) * Develop and support SQL database stored procedures as part of application functionality and maintenance automation * Document, track, and communicate software defects using a bug tracking system; report issues to software developers and project managers and support resolution through retest/verification * Mentor junior personnel on proper development practices and procedures to improve consistency, quality, and delivery outcomes * Collaborate with peers to review code and ensure best practices, team norms, and coding standards are followed ## Related Videos - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Are Code Reviews Worth It? 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