Senior .NET Developer

About the Job

Position Title: Full Stack .NET Developer

Location: Rockville, MD (On-site 2 days per week required)

Clearance: Public Trust Clearance

Salary: $100,000.00 - $120,000.00 Annually

The anticipated salary range for this position is $100K to $120K annually. Final salary offers are determined based on a variety of factors, including but not limited to the candidate's unique skills, qualifications, prior relevant experience, education, and geographic location.

Position Summary:

Command Cyber Solutions is seeking a Full Stack .NET Developer, who will be in support of a federal client to rearchitect an existing application to remediate performance and functional issues to streamline business processes for our client's core mission areas.

Essential Duties & 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.

Education, Certification & Experience:

Education:

• Bachelor's degree in Computer Science or Related Field.

Clearance:

• Active Public trust Clearance or the ability to obtain a Public Trust clearance.
• US Citizenship required.

Certification:

• Azure Architect Certification (Preferred).

Experience:

• 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.

Knowledge, Skills & Abilities:

Knowledge:

• Experience integrating and operating AI code assistants (e.g., TabNine, Copilot, AskSage, Claude).
• Familiarity with designing and implementing agentic models.
• Azure AI certifications such as AI-102 (Azure AI Engineer) or DP-203 (Data Engineering) are a plus.

Skills:

• Hands-on skills with unstructured data extraction using AI.

Abilities:

• Deploy and maintain hosted AI models, including OpenAI.

Why Join Command Cyber Solutions:

We recognize that our success begins with our people. We are dedicated to fostering a professional, collaborative, and growth-oriented environment where employees are empowered to excel and advance their careers, CCS offers opportunities to contribute to high-impact federal initiatives, supported by robust professional development programs, competitive compensation, comprehensive benefits, and flexible work arrangements. We prioritize investing in our workforce, ensuring each team member has the resources, support, and career pathways to achieve long-term success while delivering meaningful results for our clients.

Culture:

At CCS, you'll be a part of a team that genuinely supports one another and where leadership is invested in the well-being and success of every employee. We foster a work culture where people are valued for who they are, not just what they do, and where your career goals are taken seriously. You'll be encouraged to grow through mentorship, hands-on experience, and access to continued learning opportunities that align with your aspirations. Whether you're looking to deepen your expertise, earn new certifications, or take on leadership roles, CCS provides the environment and support to help you get there. Leadership is approachable, collaboration is natural, and success is shared. At CCS, you're not just joining a company; you're joining a community committed to your growth and success.

Benefits:

We offer a comprehensive benefits package designed to support the health, financial security, and overall well-being of our employees and their families. Our offerings include medical and prescription drug plans, dental coverage, group life insurance, and options for supplemental life insurance to provide additional protection. We also provide short-term and long-term disability insurance, flexible spending accounts, and employee assistance programs to help employees manage personal and professional needs. Our package also includes identity theft protection and a competitive 401(k) retirement savings plan with company contributions, giving employees valuable resources to protect their future and achieve long-term financial goals.