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Web Application Developer, Senior
American Systems CorporationWashington, DC🇺🇸United StatesPosted 13 Aug 2026
Quick Overview
Salary
$155k - $175k/yr
Work Type
Hybrid
Level
Mid Senior
Job Description
Overview
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.
THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!
Responsibilities
As a Senior Web Application Developer with AMERICAN SYSTEMS, you will have the opportunity to do the following:
#hotjobs
Qualifications
NOTE: U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance
THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!
AMS1
Pay Transparency Statement
AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $155,000.00/Yr. - USD $175,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
EEO Statement
EEO Race/Sex/Disability StatVeteran Status
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.
THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!
Responsibilities
As 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.
#hotjobs
Qualifications
- Active TS clearance w/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 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.
NOTE: U.S. Citizenship Required for the purposes of obtaining/holding a U.S. security clearance
THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS!
AMS1
Pay Transparency Statement
AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $155,000.00/Yr. - USD $175,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
EEO Statement
EEO Race/Sex/Disability StatVeteran Status
Skills
Node.js
SQL
Scrum
Agile
CSS
Git
HTML
JavaScript
Kanban
React
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