Senior Web Application Developer, Top Secret Clearance – SCI Eligibility

AMERICAN SYSTEMS

. Modernize and maintain web applications for scalability and performance .

Posted 10/6/2026full-timeDallas • Texas • United StatesSenior💰 $155,000 - $175,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in modern web application development using React.js, Node.js, and SQL, with a strong focus on scalability, performance, and code optimization. Proven ability to mentor junior developers and deliver data-driven solutions in Agile environments.

Highest-signal resume keywords

React.js DevelopmentNode.js DevelopmentSQL OptimizationAgile MethodologiesActive Top Secret Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptHTMLCSSRESTful API DevelopmentCode RefactoringLegacy Application ImprovementModular Code WritingDashboard DevelopmentData VisualizationVersion Control (Git)

Soft Skills

MentoringStakeholder CommunicationAnalytical Thinking

Tools & Technologies

Linux (RHEL)Agile Tools

Certifications & Qualifications

DoD 8140 IAT II Level CertificationSecurity+ CE

Industry Keywords

Technical DebtScalabilityPerformance OptimizationCode ReviewData-Driven Applications

Tech Stack

Tools & technologies

JavaScriptLinuxNode.jsReactSQL

About the role

Key responsibilities & impact

Modernize and maintain web applications for scalability and performance
Write modular code using React.js, Node.js, JavaScript, HTML, and CSS
Refactor legacy code to reduce technical debt and improve readability
Build dashboards, workflows, and visualizations for data-driven applications
Optimize SQL queries and ensure database performance and security
Define and deliver scalable solutions with stakeholders
Work in Agile environments, including Scrum, XP, and Kanban
Conduct code reviews and mentor junior developers
Provide actionable reports and analytics for informed decisions

Requirements

What you’ll need

Active Top Secret clearance with SCI eligibility required
Bachelor's degree in computer science or related field, or equivalent years of relevant experience
8–10 years of relevant experience
Active DoD 8140 IAT II level certification (e.g., Security+ CE or equivalent), 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
U.S. citizenship required for obtaining/holding a U.S. security clearance

Benefits

Comp & perks

Comprehensive healthcare benefits for employees and dependents
Paid leave
Retirement plans
Insurance programs
Education and training assistance
100% employee-owned company