Senior .NET Developer

Potawatomi Federal Solutions•Rockville, MD

15h•Hybrid

About The Position

Command Cyber Solutions is seeking a Full Stack .NET Developer to support a federal client. The role involves rearchitecting an existing application to fix performance and functional issues, ultimately streamlining business processes for the client’s core mission areas. This position requires a Public Trust Clearance and offers a salary range of $100,000.00 - $120,000.00 Annually.

Requirements

Bachelor’s degree in Computer Science or Related Field.
Active Public trust Clearance or the ability to obtain a Public Trust clearance.
US Citizenship required.
8+ years of professional experience in Asp .Net back-end development and SQL databases.
8+ years of professional experience in Angular, HTML, CSS, and JavaScript front-end technologies.
3+ years experience with Blazor.
Proven expertise in managing large-scale projects and executing cloud migrations.
Experience with .NET Core and later versions of .NET, including .NET 8.
Excellent problem-solving abilities and meticulous attention to detail.
Effective communicator with cross-functional teams and stakeholders.
Proficient in .Net, C#, T-SQL, Angular, JavaScript, TypeScript, Node.js, HTML, CSS, NPM, Webpack, Bootstrap, EF, RegEx, and LINQ.
Solid understanding of Object-Oriented Programming (OOP), SOLID principles, Event-Driven Architecture, Microservices, Restful API, Git, CI/CD, Testing and QA practices, Responsive Web Design, and Output Encoding.
Expertise in Secure Coding practices, Input validation (SQL injection, XSS), Role-Based Access Control (RBAC), Multi-Factor Authentication (MFA), Active Directory integration, Authentication and Authorization protocols (OAuth, JWT), Error handling, Logging, Cloud architecture principles, Azure Functions, App Services, Docker, Kubernetes, Azure Security Center, Key Vault, VM, API Gateway, Monitoring tools, Azure migration strategies, AI tools, and agile delivery methodologies.
Experience integrating and operating AI code assistants (e.g., TabNine, Copilot, AskSage, Claude).
Familiarity with designing and implementing agentic models.
Hands-on skills with unstructured data extraction using AI.

Nice To Haves

Azure Architect Certification
Azure AI certifications such as AI-102 (Azure AI Engineer) or DP-203 (Data Engineering) are a plus.

Responsibilities

Accurately estimate effort by defining the technical approach for fixing defects, implementing changes, and/or building new functionality.
Develop, document, unit test, and peer review software as required.
Interface with Business Analysts and Software Testers to ensure a full understanding and fulfillment of requirements.
Work closely with the development team to support Operations & Maintenance (O&M) and New Product Development activities.
Design and develop robust, scalable web applications using Angular, SQL, and ASP.NET.
Utilize practical experience in custom and complex enterprise-wide workflow-based systems.
Collaborate with the Development team and the technical stakeholders to plan and execute the migration of the system to Azure GovCloud.
Participate in code reviews, providing constructive feedback to peers to ensure high-quality code.
Develop new system enhancements, CRs, and resolve defects to improve the application.
Stay updated with industry trends and technologies to ensure our solutions remain innovative and cutting-edge.
Optimize and maintain existing codebases, ensuring peak performance and scalability.
Implement defensive programming practices to enhance security and scalability.
Integrate and operate AI code assistants (e.g., TabNine, Copilot, AskSage, Claude).
Design and implement agentic models.
Deploy and maintain hosted AI models, including OpenAI.