Software Development

About the role

Supports a portfolio of intranet and restricted web custom applications. Develops secure, modern applications primarily using C#, .NET Core, Blazor, and Razor Pages, with React or modern JavaScript/TypeScript frameworks for front-end interfaces. Position will be on-site to one of the following locations: San Antonio, TX, Falls Church, VA, Aurora, CO, or Tacoma, WA.

Responsibilities

• Develop and maintain secure, restricted web applications.
• Implement C#, .NET Core, Razor Pages, Blazor components.
• Build modern, maintainable front-end components using JavaScript/TypeScript fundamentals.
• Integrate REST APIs and backend data services.
• Utilize Entity Framework Core for data access.
• Manage and configure SQL Server databases.
• Work with IIS/Windows Server environments.
• Troubleshoot full-stack issues across UI, API, and database layers.
• Remediate SAST/DAST findings and ensure application security.
• Support OIDC/OAuth authentication (e.g., Login.gov integration).
• Write unit and integration tests and support CI/CD workflows.
• Participate in code reviews and collaborate within SAFe Agile.
• Apply AI-assisted development responsibly.

Requirements

Required Skills:

• Minimum of 8 years with BS/BA; 12 years of experience with a high school diploma.
• Strong experience developing and maintaining web applications using C# and .NET 8+/ASP.NET Core.
• Experience with modern front-end web development, including JavaScript and/or TypeScript, component-based application design, state management, and integration with RESTful APIs.
• Experience working with SQL Server or other relational databases, including developing and maintaining SQL queries, stored procedures, table and column definitions, and other database objects.
• Experience designing and maintaining applications within an established architecture, including use of shared development patterns, reusable components and services, appropriate service boundaries, and maintainable database access patterns.
• Ability to troubleshoot full-stack application issues across the user interface, application/API layer, database, and hosting environment; identify root causes; and evaluate the potential impact of proposed changes.
• Experience with Git-based development workflows, including branching, merge/pull requests, resolving merge conflicts, peer code review, and automated build or test processes.
• Demonstrated ability to independently carry development tasks from requirements clarification through implementation, testing, code review, remediation of feedback, and completion.
• Strong written and verbal communication skills, including the ability to proactively identify and communicate technical questions, blockers, risks, and implementation considerations.
• Ability to participate constructively in peer code reviews, explain technical decisions, evaluate alternative approaches, receive feedback, and incorporate lessons learned into future work.
• Ability to document technical decisions and share knowledge with other developers and project team members.
• Experience developing secure web applications and applying secure coding practices.
• Experience using AI-assisted software development tools while maintaining responsibility for reviewing, validating, testing, and understanding generated code.
• Must be U.S. Citizen
• Ability to obtain a Public Trust clearance

Qualifications

Preferred Skills:

• Experience with React and TypeScript, ASP.NET Core Razor Pages, Razor Components, Blazor, or comparable modern web application frameworks.
• Experience with Entity Framework Core or similar object-relational mapping technologies.
• Familiarity with hosting and troubleshooting ASP.NET Core applications in Microsoft IIS and Windows Server environments.
• Experience identifying