A1FED

Full Stack Developer (React / .NET)

A1FED  •  Frederick, MD (Remote)  •  21 days ago
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Job Description

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. What You’ll DoBuild & Enhance Applications
  • 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
Front-End Development
  • 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
Back-End Development
  • 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)
DevOps & Collaboration
  • 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
Security & Compliance
  • Follow secure coding practices and STIG compliance requirements
  • Support authentication, role-based access, and application security features
  • Maintain clear and thorough technical documentation
What You BringRequired Qualifications
  • 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
    • C# and .NET Framework
    • SQL and relational databases
    • HTML/CSS, JSON, XML
  • Experience with:
    • API development and web services
    • Object-oriented design and MVC architecture
    • Application security (authentication, roles, etc.)
Nice to Have
  • 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
Tech Stack
  • Front-End: React, TypeScript, Ext JS, HTML5, CSS
  • Back-End:NET Framework (C#), SQL Server, XML
  • Tools: VS Code, Visual Studio, IIS Express, NuGet
  • DevOps: Git, GitHub
Work Environment
  • 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
Why Join Us
  • 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
A1FED

About A1FED

A1FED brings the expertise in understanding the requirements and the customer data and delivering quality software to our clients. From information technology (IT) strategy, application architecture and design, implementation of quality software using Agile, Test Driven Development, Behavior Driven Development, and Integrated DevOps – we believe in building and cultivating strong partnerships with our business and IT customers.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
McLean, VA
Year Founded
2013
Website
a1fed.com
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