Web Application Developer, Senior (Top Secret w/SCI Eligibility)
Quick Summary
Modernize and maintain web apps for scalability and performance Write modular code in React.js, Node.js, JavaScript, HTML,
AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Web Applications Developer to support mission-critical initiatives at Joint Base Anacostia-Bolling (JBAB), Washington, DC. In this role, you will lead the modernization, enhancement, and maintenance of secure web applications that support data-driven decision-making and operational effectiveness.
The ideal candidate brings deep experience in React.js, Node.js, JavaScript, HTML, CSS, SQL, and RESTful API integration, along with the ability to refactor legacy systems, improve application scalability and performance, and collaborate with stakeholders in Agile development environments.
Nice to Have
~1 min readResponsibilities
~1 min readAs a Senior Web Application Developer with AMERICAN SYSTEMS, you will have the opportunity to do the following:
- →Modernize and maintain web apps for scalability and performance
- →Write modular code in React.js, Node.js, JavaScript, HTML, and CSS
- →Refactor legacy code to reduce debt and improve readability
- →Build dashboards, workflows, and visualizations for data-driven apps
- →Optimize SQL queries and ensure database performance and security
- →Define and deliver scalable solutions with stakeholders
- →Work in Agile (Scrum, XP, Kanban) environments
- →Conduct code reviews and mentor junior developers
- →Provide actionable reports and analytics for informed decisions
- →Maintain, modernize, and refactor web applications for improved scalability, performance, and maintainability.
Requirements
~1 min read- Active TS clearance w/SCI eligibility
- Bachelor’s degree in computer science or related field (or equivalent years of relevant experience).
- 8-10 years of relevant experience
- Active Security+ CE certificate or ability to obtain Security+ CE certification within 90 days of hire
- Proficiency in React.js, Node.js, JavaScript/HTML/CSS, and SQL
- Experience developing and integrating RESTful APIs.
- Experience with Git or other version control systems.
- Ability to analyze, refactor, and improve legacy applications.
- Familiarity with Linux (RHEL) administration and update management.
- Experience working in Agile environments, including Scrum or XP methodologies.
Nice to Have
~1 min readLocation & Eligibility
Listing Details
- Posted
- April 14, 2026
- First seen
- May 6, 2026
- Last seen
- May 6, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 11%
- Scored at
- May 6, 2026
Signal breakdown
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