a1fed~21d ago

Full Stack Developer (React / .NET)

United States·Frederickmid

EngineeringFullstack Developer

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Quick Summary

Overview

Overview 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.

Requirements Summary

Must be a US Citizen or Permanent Resident (Green Card Holder) 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,…

Technical Tools

csharpexcelexpressjavascriptreactsqltypescriptagilecode-reviewdocumentationsecurity-best-practices

Overview

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 Do

Build & 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 Bring

Required Qualifications

Must be a US Citizen or Permanent Resident (Green Card Holder)
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