Senior .Net Developer
HybridWashington, District of Columbia, United States or Washington, United States
Job Summary
Support full stack .NET architecture for federal applications, defining patterns, standards, and best practices while evaluating tools and frameworks for scalability and security. Lead technical design reviews, establish coding standards, and oversee code reviews to ensure quality across the team. Define roadmaps for legacy SharePoint modernization, guide Power Platform strategy, and manage data architecture for Dataverse. Mentor developers, partner with stakeholders to translate mission requirements, and improve CI/CD pipelines and release management. Identify technical debt, performance bottlenecks, and security risks. Work onsite in Washington, DC, three days per week with an active Secret clearance required.
Required Qualifications
- Active Secret clearance
- 5+ years of progressive experience in .NET development (C#, ASP.NET MVC, ASP.NET Core)
- Demonstrated experience supporting architecture and technology selection decisions for enterprise applications — and the ability to articulate the reasoning behind them
- Strong command of full stack architecture, including modern frontend frameworks (React or similar), RESTful API design, and service-oriented patterns
- Hands-on experience with Microsoft Power Platform — including Power Apps (canvas and/or model-driven), Power Automate, and Power BI — with the judgment to know when low-code is and isn't the right answer
- Experience leading SharePoint modernization or migration efforts, with familiarity across SharePoint Online and legacy SharePoint (2013 or newer)
- Deep experience with MS SQL, Entity Framework, and database design for enterprise applications
- Proven experience establishing or maturing CI/CD pipelines and DevOps practices (GitHub Actions, Azure DevOps, or similar)
- Experience participating in code reviews, setting coding standards, and mentoring development teams
- Strong understanding of application security concepts, Active Directory, and identity/access patterns in enterprise environments
- Familiarity with Microsoft 365 / Office suite — including SharePoint Online, Teams, Outlook, Excel, Word, and OneDrive — in a collaborative enterprise environment
- Excellent communication skills, with the ability to present technical recommendations to both engineering teams and non-technical stakeholders
- Ability to work onsite in a federal environment (occasional Saturday hours may be required for deployment activities)
Desired Qualifications
- Experience architecting solutions in Azure cloud environments, including deployments in a federal or FedRAMP context
- Familiarity with Dataverse for Teams and Power Apps embedded in Microsoft Teams
- Experience with TypeScript across frontend and/or Node.js development
- Exposure to containerization and orchestration tools such as Docker or Kubernetes
- Experience integrating AI/LLM capabilities or AI-assisted developer tooling into team workflows
- Understanding of Section 508 accessibility standards
- Prior experience supporting federal government programs and working within government security and compliance frameworks
- Relevant certifications such as Microsoft Certified: Azure Solutions Architect, Power Platform Solution Architect, or equivalent
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