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A1fed is hiring: Web Application Developer (Full Stack) in Frederick

A1fed, Frederick, MD, United States


Position Overview
We are seeking a highly skilled Web Application Developer to support, enhance, and maintain critical applications on an agency website that enables day-to-day operations for staff. This role involves full-stack development across both front-end and back-end components, ensuring performance, usability, and compliance with security standards.

Clearance
Tier 1 (T1) investigative clearance/background or the ability to pass a T1

Location
Hybrid – Onsite at Ft Detrick 2 days a week (Tuesday required), In-office days and telework days need to be approved by the government supervisor, and a regular schedule is expected (arbitrary days in the office each week is not acceptable), possibility of up to 3 days a week remote.

Key Responsibilities
Application Development & Maintenance

Develop, enhance, and maintain web applications supporting mission-critical agency operations

Implement new features, improve existing functionality, and resolve defects

Ensure applications meet performance, security, and usability standards

Front-End Development

Build and enhance user interfaces using modern frameworks and libraries

Develop applications using React and TypeScript

Work with HTML/HTML5, CSS, and JSON for responsive and dynamic UI development

Compile, build, and run applications using Node.js

Debug and test applications using browser developer tools

Develop code using Visual Studio Code

Apply Model-View-Controller (MVC) architecture principles

Back-End Development

Develop, enhance, and maintain APIs and database integrations

Implement object-oriented design and user-defined functions

Generate structured reports, including Excel and PDF outputs

Manage application dependencies using NuGet and XML-based configuration files

Develop and debug applications using Microsoft Visual Studio and IIS Express

Write and optimize SQL queries, stored procedures, tables, and views using Microsoft SQL Server Management Studio

DevOps & Configuration Management

Move and deploy build files to development environments

Use Git for source code management (branching, merging, commits)

Utilize GitHub for repository management, issue tracking, project management, and code reviews

Documentation & Compliance

Create and maintain detailed technical documentation for code changes and website updates

Ensure all development aligns with Security Technical Implementation Guides (STIGs) and agency standards

Required Technologies & Skills

Front-End: React, TypeScript, Ext JS, KendoReact, HTML/HTML5, CSS, Node.js, JSON

Back-End: C#, .NET Framework, SQL, XML

Tools: Visual Studio Code, Microsoft Visual Studio, IIS Express, NuGet

Concepts: Object-Oriented Design, MVC Architecture

Version Control: Git, GitHub

Desired skills

Ext JS

KendoReact

Microsoft SQL Server Management Studio

Preferred Qualifications

Experience supporting government or regulated environments

Familiarity with secure coding practices and STIG compliance

Experience working in Agile development environments

Strong problem-solving and debugging skills

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