Peraton

Front-End Web Developer

United States full-time Mid $104,000 - $166,000
full-time Mid level Technology & IT Salary listed Curated
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About the role

Responsibilities
Peraton is seeking a Front‑End Web Developer to join our growing team supporting mission‑critical 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 user‑centered solutions.
Responsibilities:

Develop responsive, accessible front‑end applications using React, Node.js, and USWDS components

Implement custom reusable UI components and front‑end architecture patterns that support scalability and maintainability

Build modular interface components and client-side logic using modern JavaScript and patterns

Integrate front‑end 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 cross‑browser 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 front‑end applications using:

React

Node.js / Express

U.S. Web Design System (USWDS)

Vite (build tooling and frontend bundling)

Nginx (static site hosting, reverse proxy concepts, configuration)

Strong understanding of HTML5, CSS3, modular CSS, responsive design, and JavaScript ES6+.

Experience integrating front‑end components with API services.

Experience working in Agile environments using Git‑based 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 front‑end 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.Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT API integration CSS Javascript MySQL Project Management Mid level

Likely questions

  1. Tell us about work you have done that is close to the Front-End Web Developer role.
  2. How would you approach your first 30 days at Peraton?
  3. Which of API integration, CSS and Javascript have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with API integration, CSS and Javascript.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Front-End Web Developer role because I can bring practical experience in API integration, CSS and Javascript, learn the team quickly, and contribute to the outcomes Peraton needs from this hire.

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