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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # DotNET Developer - **Company:** IMAGINEEER LLC - **Location:** North Bethesda, MD, United States - **Experience:** Experienced - **Salary:** $115,000.0 - $125,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Application Performance Management, Build Automation, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Code Review, Information Systems, Data Security, Database Queries, Digital Assets, Web Development, Entity Framework, Github, Microsoft Software, Microsoft SQL Server, Model View Controller (MVC), Open Web Application Security, Scrum Methodology, Azure Machine Learning, Azure Data Lake, Secure Coding, Software Engineering, SQL Stored Procedures, Systems Integration, TypeScript, Software Vulnerability Management, Web Applications, Enterprise Software Applications, ReactJS, Delivery Pipeline, Git, Containerization, AngularJS, Integration Tests, Kubernetes, Information Technology, Front End Software Development, Restful APIs, Code Restructuring, Devsecops, Docker, Key Vault, Web Api, Microservices - **Published:** October 29, 2026 - **Apply:** https://www.careerbuilder.com/job-details/dotnet-developer-rockville-md--dda557cc-498d-4d76-a422-12fc0fcad103 ## About the Role Health Insurance, Web Programming, Enterprise Applications, Agile Programming Methodologies, Cloud Computing, Government, Microsoft Windows Azure, Application Programming Interface (API), Microsoft .NET, Microsoft C# (C Sharp), * Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related field; 4 additional years of relevant experience may substitute for a degree. * 5+ years of professional experience in software development, web application development, and application operations and maintenance. * Hands-on experience building full-stack web applications with C#, ASP.NET Core (MVC and Web API), current .NET platforms, and Entity Framework. * Experience with React, JavaScript/TypeScript, HTML, and CSS. * Strong SQL skills with Microsoft SQL Server. * Experience building and consuming RESTful APIs. * Experience supporting production applications, including troubleshooting, root-cause analysis, and defect remediation. * Working knowledge of Git and CI/CD pipelines, including automated builds, testing, and deployment. * Working knowledge of secure development practices, including code review, vulnerability remediation, secrets handling, and dependency management. * Experience working on Agile/Scrum teams. * U.S. citizenship and the ability to obtain and maintain a Public Trust suitability determination. * Ability to work on-site in the Washington, DC metro area on a hybrid schedule. Preferred Qualifications * Active Public Trust (e.g., HHS, DHS, or another civilian agency). * Prior experience supporting federal government programs. * Experience with Azure services such as App Service, Functions, Key Vault, and Application Insights, or Azure Government. * Familiarity with Azure Data Lake Storage concepts, including structured and unstructured storage, access controls, and analytics integration. * Experience migrating .NET Framework applications to current .NET. * Familiarity with containerization (Docker, Kubernetes) and infrastructure as code. * Knowledge of Section 508 accessibility standards and federal security frameworks (NIST 800-53, FedRAMP). * Experience using AI-enabled coding tools with appropriate developer review and security controls, or integrating AI/ML services into applications. ## Description We are seeking a .NET Developer to design, build, operate, and modernize enterprise applications that support federal missions in a regulated environment. You will turn functional requirements into secure, scalable, maintainable components using C#, current .NET platforms, and React. You will work across full-stack web development, cloud-hosted APIs on Azure, automated delivery pipelines, and ongoing operations and maintenance of existing systems. You will work independently on assigned features while collaborating with senior engineers, architects, analysts, and government stakeholders in an Agile and DevSecOps team.Key Responsibilities * Design, develop, test, and maintain web applications using C#, ASP.NET Core, and modern front-end frameworks (Angular or React). * Build and maintain RESTful APIs and microservices, deployed to Microsoft Azure (App Service, Functions, AKS, or similar). * Modernize legacy applications by migrating .NET Framework code to .NET 6/8+, refactoring for maintainability and performance. * Design and optimize data access using Entity Framework Core and SQL Server, including queries, stored procedures, and schema changes. * Write unit and integration tests and take part in code reviews to uphold quality standards. * Contribute to CI/CD pipelines in Azure DevOps or GitHub Actions. * Apply secure coding practices aligned with OWASP, NIST, and agency security requirements, and remediate findings from security scans. * Take part in Agile ceremonies (sprint planning, stand-ups, and retrospectives) and estimate assigned work. * Troubleshoot and resolve production issues, and document technical designs and procedures. * Collaborate with business analysts, testers, and government stakeholders to translate requirements into working software., We firmly believe in the uniqueness of every business, necessitating a personalized approach to transformation. This conviction drives us to invest time in comprehending an organization's historical challenges and operational framework. Our commitment is to foster innovation by adopting a tailored strategy that optimizes the utilization of an organization's human resources and data assets. With a wealth of experience, we specialize in guiding organizations through the implementation of post-quantum security, protocols for autonomy, and artificial intelligence. We are committed to working with clients to positively disrupt, modernize, and transform their organizations and business processes. Noteworthy achievements include initiatives aimed at enhancing human resilience in the food supply chain, leveraging autonomy for streamlined operations, establishing root-of-trust capabilities for high-quality, trusted data, and designing ecosystems and tools for securing and transferring digital value through digital wallets. . Our proficiency extends to using artificial intelligence and data to fortify security and enhance visibility in data assets, aiding in the management of health issues at local, state, and national levels. We've developed a modern security posture to effectively mitigate risks associated with cyber attacks from nation-states. Our wealth of experience is underpinned by collaborative work with diverse multidisciplinary teams, thriving in highly complex and rapidly changing environments.