Front-End Developer

Amentum.com

Office

Virginia

Full Time

Front-End Developer - (CIS0003V0)

Your Impact:

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Front-End Developer to join our team of passionate individuals in Herndon/Chantilly, VA. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission.

We are seeking a talented and detail-oriented Front-End Developer to join our team and help build intuitive, responsive, and accessible user interfaces for our web applications. This role is ideal for someone passionate about user experience, design systems, and modern front-end technologies.

Responsibilities:

Develop and maintain scalable, high-performance web applications using modern front-end frameworks.• Collaborate with UX/UI developers and back-end developers to deliver seamless user experiences.• Translate design mockups and wireframes into clean, efficient code.• Optimize applications for maximum speed, scalability, and accessibility.• Implement responsive designs that work across various devices and screen sizes.• Ensure cross-browser compatibility and maintain code quality through testing and reviews.• Stay current with emerging technologies and propose improvements to existing systems.
Proficiency in HTML5, CSS3, JavaScript, and TypeScript.• Experience with modern frameworks/libraries such as React, Angular, or Vue.js.• Familiarity with RESTful APIs and asynchronous request handling.• Understanding of version control systems (e.g., Git).• Strong attention to detail and a passion for clean, maintainable code.• Exposure to Agile development environments.
TS/SCI with poly
Bachelor’s degree in Computer Science, Design, or related field (or equivalent experience).
Experience with design systems and component libraries.• Knowledge of accessibility standards (WCAG) and best practices.• Experience with performance optimization and analytics tools.

Here'S What You'Ll Need:

Requirements:

Clearance Required:

Minimum Education:

Minimum Years Of Experience:

• 8

Preferred:

#Javelin #Externalreferral

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, gender identity, marital status, family structure, medical condition including genetic characteristics or information, veteran status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal EEO laws and supplemental language at EEO including Disability/Protected Veterans and Labor Laws Posters.

Primary Location

: United States-Virginia-Chantilly-20394-CHV0

Other Locations

: United States-Virginia-Herndon-20394-HVA

Job Posting

: Sep 24, 2025, 2:52:06 PM

Job

: Software

Organization

: CMS

Job Type

: ExperiencedJob Classification: Fulltime-Regular

Work Locations

: 20394-CHV0 Customer Site Chantilly 20151Capabilities: Cyber