> Markdown version of [/jobs/ext/734107-senior-net-c-developer](https://www.wearedevelopers.com/jobs/ext/734107-senior-net-c-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/C# Developer - **Company:** IPT Associates - **Location:** Fort Belvoir, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), .NET Framework, Unit Testing, Bug Tracking Systems, C Sharp (Programming Language), Configuration Management, Databases, Web Development, Internet Information Services (IIS), Microsoft SQL Server, Windows Servers, Model View Controller (MVC), Secure Coding, Software Engineering, SQL Stored Procedures, System Testing, Web Applications - **Published:** June 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9001662/senior-netc-developer ## About the Role * Are curious and excited about technology * Like solving problems and figuring things out * Can take initiative but also enjoy working with a team * Want to keep learning, growing, and challenging themselves If you're someone who's eager to jump in, learn something new, and make an impact-you'll fit right in here., * Minimum 8 years of experience supporting .NET development * MS .NET * C# * MVC 4+ * IIS / Windows Server web development Minimum 5 years of experience supporting the Software Development Life Cycle (SDLC) Minimum 5 years of experience supporting software development testing (Unit, System, Functional, or UAT) Minimum 5 years of experience developing SQL stored procedures Minimum 5 years of experience mentoring junior technical personnel Minimum 5 years of experience documenting software defects using bug tracking tools Ability to obtain SI, TK, G, HCS, and NATO Secret accesses DoD 8140.03 IAT Level II (Intermediate) certification required Active Security clearance required ## Description * Design, develop, enhance, and maintain web applications using MS .NET, C#, MVC 4+, and IIS on Windows Server * Support all phases of the Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and maintenance * Develop and maintain SQL Server stored procedures and database-driven functionality * Perform software testing activities including: Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT) * Document and track software defects using enterprise bug tracking systems * Coordinate defect resolution with developers, testers, and project managers * Mentor junior team members on development standards, tools, and best practices * Support configuration management and deployment activities in controlled environments * Ensure compliance with secure coding standards and mission environment requirements ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How to Cause (or Prevent) a Massive Data Breach- Secure Coding and IDOR](https://www.wearedevelopers.com/videos/39-how-to-cause-or-prevent-a-massive-data-breach-secure-coding-and-idor) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [How GitHub secures open source](https://www.wearedevelopers.com/videos/1450-how-github-secures-open-source) ## 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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)