Full Stack Developer

GCyber, LLC is seeking a Full Stack Developer, to support a high visibility customer in Washington, DC. You will join a multidisciplinary team responsible for developing, maintaining, and operating enterprise applications primarily on the .NET platform across both classified and unclassified networks. As The Full Stack Developer, You WillDesign, develop, test, and deploy web applications using C#, ASP .NET, Angular, JavaScript, HTML/CSS, and MS SQL Server Support CI/CD pipeline development and migration to modern DevSecOps tooling. Write and maintain automated tests (unit, regression, UAT) to ensure code quality and release confidence Produce clear documentation: source code, system architecture, end-user guides, and test plans Track work using Agile Kanban methodology via Jira; write and refine user stories with clear acceptance criteria Support application migrations including .NET Framework to .NET Core and VM-based hosting to containers Collaborate with government and contractor team members on development, troubleshooting, and operational support Respond to production incidents and contribute to after-action reporting and root cause analysis Ensure applications comply with Section 508 accessibility standards and federal security requirements Support additional platforms and technologies (SharePoint, React/Node.js, database administration_ as needed alongside the broader teamMinimum Qualifications and Experience: Active DoD Top Secret/SCI clearanceIAT II Certification (i.e. Security+, CCNA-Security, CND, CySA+, GICSP, GSEC, SSCP)5-7 years of professional software development experience Strong proficiency in C#, ASP.NET, MS SQL Server, Angular, JavaScript, and HTML.CSSExperience with Git-based source control (TFS, GitHub, GitLab) Experience with Agile/Kanban methodologies and task tracking tools such as Jira Solid understanding of CI/CD concepts and pipeline tooling Strong written and verbal communication skills, ability to document technical work clearly