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AMERICAN SYSTEMS

Senior Web Application Developer, Top Secret w/SCI Eligibility

AMERICAN SYSTEMS

. Modernize and maintain web apps for scalability and performance .

Posted 4/28/2026full-timeWashington • District of Columbia, Washington • 🇺🇸 United StatesSenior💰 $110,800 - $185,100 per yearWebsite

Tech Stack

Tools & technologies
JavaScriptLinuxNode.jsReactSQLTypeScript

About the role

Key responsibilities & impact
  • 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

Requirements

What you’ll need
  • 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.

Benefits

Comp & perks
  • comprehensive benefits package
  • healthcare benefits
  • paid leave
  • retirement plans
  • insurance programs
  • education and training assistance
  • $5,000 sign-on bonus

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
React.jsNode.jsJavaScriptHTMLCSSSQLRESTful APIsGitLinuxAgile
Soft Skills
mentoringcode reviewsstakeholder communicationanalytical skillsproblem-solving
Certifications
TS clearanceSecurity+ CEBachelor’s degree in computer science