Full Stack Developer (React / .NET)

A1FED IncFrederick, 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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