Full Stack Developer (React / .NET)
A1FED Inc•Frederick, MD
•Hybrid
About The Position
We’re looking for a Full Stack Developer to help build and enhance mission-critical web applications that support daily operations for a federal agency. In this role, you’ll work across the full technology stack—developing modern user interfaces, building robust APIs, and ensuring secure, high-performing applications. This is an opportunity to work on systems that directly impact real-world operations, in a collaborative environment that values clean code, thoughtful design, and continuous improvement.
Requirements
- Bachelor’s degree in Computer Science, Information Systems, or related field (or 5+ years of professional programming experience)
- 2+ years of experience with: React, TypeScript, JavaScript
- 2+ years of experience with: C# and .NET Framework
- 2+ years of experience with: SQL and relational databases
- 2+ years of experience with: HTML/CSS, JSON, XML
- Experience with API development and web services
- Experience with Object-oriented design and MVC architecture
- Experience with Application security (authentication, roles, etc.)
Nice To Haves
- Experience in government, DoD, or regulated environments
- Familiarity with STIGs or secure coding standards
- Experience working in Agile teams
- Strong debugging and problem-solving skills
- Experience with SQL Server Management Studio
Responsibilities
- Design, develop, and maintain web applications supporting critical agency functions
- Deliver new features, improve performance, and troubleshoot issues
- Ensure applications meet security, usability, and reliability standards
- Develop responsive, modern UIs using React and TypeScript
- Work with HTML5, CSS, and JSON to create dynamic user experiences
- Debug and optimize applications using browser developer tools
- Apply MVC principles and front-end best practices
- Build and maintain APIs and backend services using C# and .NET Framework
- Design and optimize SQL queries, stored procedures, and database structures
- Implement object-oriented solutions and reusable components
- Generate structured outputs (reports, Excel, PDFs)
- Manage code using Git and GitHub (branching, PRs, code reviews)
- Deploy builds and support development environments
- Collaborate with team members in an Agile or iterative workflow
- Follow secure coding practices and STIG compliance requirements
- Support authentication, role-based access, and application security features
- Maintain clear and thorough technical documentation
Benefits
- Hybrid schedule: 2 days onsite (Tuesday required), up to 3 days remote
- Consistent weekly schedule in coordination with government leadership
- Collaborative, team-oriented environment with meaningful project work
- Work on mission-driven applications that support real operations
- Opportunity to grow your full stack skill set across modern technologies
- Balance of onsite collaboration and remote flexibility
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
