Full Stack .NET Developer
Revolutional, LLC•Washington, DC
•Onsite
About The Position
Harmonia is seeking a Full Stack .NET Developer to design, build, and maintain secure, scalable applications in a classified environment. This role is suited for a developer who is comfortable working across the stack from back-end services and database design to front-end interfaces. This person needs to be able to operate effectively in a structured, security-conscious environment. The developer will be expected to write production-quality code, troubleshoot complex issues across system layers, and contribute to ongoing modernization efforts.
Requirements
- Active Top Secret clearance with SCI eligibility (required).
- U.S. Citizenship required.
- 5+ years of professional experience in .NET/C# development
- Security+ certification.
- Strong experience building full stack applications using .NET frameworks (.NET Core, MVC, or similar)
- Proficiency with SQL Server, including T-SQL, stored procedures, and database design
- Experience troubleshooting and debugging across multiple system layers.
- Familiarity with secure development practices in regulated or classified environments.
- Experience working in Agile development teams.
Nice To Haves
- Experience with Azure DevOps, TFS, or similar CI/CD and build tools
- Familiarity with cloud platforms such as Azure or AWS
- Experience with version control systems (Git, TFS)
- Knowledge of SharePoint integration or development
- Exposure to secure mobile development or device management environments
- Strong problem-solving and performance tuning capabilities
- Ability to work effectively in a client-facing or mission-driven environment
Responsibilities
- Design, develop, test, and maintain full stack applications using C# and the .NET ecosystem
- Build and enhance back-end services, APIs, and data access layers
- Develop and maintain front-end components using modern web technologies (JavaScript, HTML, CSS)
- Design and optimize SQL Server databases, including stored procedures, functions, and performance tuning
- Troubleshoot and resolve issues across application, database, and infrastructure layers
- Identify and remediate security vulnerabilities in accordance with federal standards
- Support CI/CD pipelines and automated deployment processes
- Participate in Agile development processes, including sprint planning, demos, and retrospectives
- Contribute to secure mobile application support and integration efforts
Benefits
- Traditional and HSA- eligible medical insurance plans
- 100% employer-paid dental and vision insurance options
- 100% employer-sponsored STD, LTD, and life insurance
- 5% 401(k) company matching
- Flexible-schedules and teleworking options
- Paid holidays and PTO Accrual Plans
- Paid Parental Leave
- Professional development and career growth opportunities
- Team and company-wide events, recognition, and appreciation
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
