Front-End Web Developer

Peraton; Herndon (VA); On-site; USD 104,000 - 166,000; Full time

Job summary

Peraton is seeking a FrontEnd Web Developer to design, build, and maintain responsive user interfaces for government applications. You will work with React, Node.js, USWDS, and modern tooling to deliver accessible and high-performance frontend features.

Collaborating with data scientists, UX designers, and product owners, you will implement reusable UI components, connect to RESTful services, and ensure WCAG compliance in a distributed team environment on US-based projects.

Qualifications

• BS/BA with 5+ years; MS/MA with 3+ years; PhD substitution rules apply.
• Frontend apps built with React, Node.js/Express, USWDS, Vite.
• Strong HTML5/CSS3 and ES6+ JavaScript knowledge.
• Experience integrating frontend with API services in Agile teams.

Responsibilities

• Develop responsive, accessible frontend applications using React, Node.js, and USWDS components.
• Implement reusable UI components and frontend architecture patterns for scalability.
• Build modular interface components and client-side logic with modern JavaScript.
• Integrate frontend with RESTful APIs and backend services.
• Optimize builds with Vite and support deployment in containerized environments with Nginx.
• Ensure WCAG accessibility compliance and government usability guidelines.
• Troubleshoot UI defects, performance issues, and cross-browser problems.
• Collaborate with DevOps, DataOps, and cloud engineers for deployment readiness.

Skills

React

Node.js/Express

USWDS

Vite

Nginx

HTML5/CSS3/JS

API Integration

Agile / Git

CSS Architecture

WCAG Accessibility

Education

BS/BA in CS/Engineering

MS in related field

Tools

VS Code

Git

Job description

Job Locations

US

Responsibilities

Peraton is seeking a FrontEnd Web Developer to join our growing team supporting missioncritical applications for government customers. In this role, you will design, build, and maintain intuitive, accessible, and highly performant user interfaces using modern JavaScript frameworks and U.S. Web Design System (USWDS) components. You will collaborate closely with data scientist, UX designers, and product owners to deliver usercentered solutions.

Responsibilities:

• Develop responsive, accessible frontend applications using React, Node.js, and USWDS components
• Implement custom reusable UI components and frontend architecture patterns that support scalability and maintainability
• Build modular interface components and client-side logic using modern JavaScript and patterns
• Integrate frontend interfaces with RESTful APIs and back-end services
• Optimize build and bundling modern web projects using tools like Vite
• Support deployment and runtime behavior in containerized environments using Nginx for static hosting or reverse proxying
• Ensure compliance with accessibility standards (WCAG) and government usability guidelines.
• Troubleshoot UI defects, performance issues, and crossbrowser inconsistencies.
• Collaborate with DevOps, DataOps, and cloud engineers to support deployment and operational readiness.

Qualifications

Required Qualifications:

• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD or 9 years and High School diploma in lieu of degree
• Professional experience building frontend applications using:
• React
• Node.js / Express
• U.S. Web Design System (USWDS)
• Vite (build tooling and front end bundling)
• Nginx (static site hosting, reverse proxy concepts, configuration)
• Strong understanding of HTML5, CSS3, modular CSS, responsive design, and JavaScript ES6+.
• Experience integrating frontend components with API services.
• Experience working in Agile environments using Gitbased version control.
• Ability to work collaboratively in a distributed team environment.
• Ability to obtain and maintain a Public Trust clearance.
• US Citizenship is required.

Desired Qualifications:

• Experience with Snowflake (queries, stored procedures, or SQL API concepts).
• Familiarity with AWS services (Lambda, API Gateway, S3, EKS, ECR, etc.).
• Experience using the AWS SDK within Node.js or frontend applications.
• Database experience using SQL (PostgreSQL or similar).
• Knowledge of CI/CD pipelines and automated testing frameworks

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range

$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.