Frontend Web Developer

LT Consulting LLC; Reston (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

A technology consulting firm is seeking a Frontend Web Developer with an active TS/SCI clearance. The role involves building responsive and accessible web interfaces for mission-critical applications. Ideal candidates have experience with modern JavaScript frameworks like React or Angular, and proficiency in HTML5, CSS3, and JavaScript. Strong collaboration skills with designers and backend engineers are essential for delivering intuitive user experiences. A Bachelor's degree in Computer Science is required, with a preference for those holding a Master's degree.

Qualifications

• Active TS/SCI clearance with polygraph.
• Demonstrated professional experience developing modern web applications.
• Experience integrating RESTful or GraphQL APIs.

Responsibilities

• Build engaging, responsive, and accessible web interfaces.
• Collaborate with designers and backend engineers.
• Deliver intuitive user experiences using modern JavaScript frameworks.

Skills

JavaScript

TypeScript

HTML5

CSS3

React

Angular

Vue

Git

Responsive Design

UI Libraries

Agile Methodologies

Education

Bachelor’s degree in Computer Science or a related field

Master’s degree in Computer Science or a related field

Tools

Webpack

Vite

Nx

Figma

Adobe XD

Cypress

Playwright

Jest

Job description

Description

We’re seeking a Frontend Web Developer with an active TS/SCI to build engaging, responsive, and accessible web interfaces for mission‑critical applications. As a Frontend Developer, you’ll collaborate with designers, backend engineers, and product teams to deliver intuitive user experiences using modern JavaScript frameworks and best practices in performance, accessibility, and maintainability.

Basic Qualifications

• Active TS/SCI clearance with polygraph
• Bachelor’s degree in Computer Science or a related field
• Demonstrated professional experience developing modern web applications
• Proficiency with JavaScript, TypeScript, HTML5, and CSS3
• Experience building single-page applications (SPAs) using React, Angular, or Vue
• Experience with UI libraries such as MUI, Angular Material, Bootstrap, or Tailwind CSS
• Experience consuming and integrating RESTful or GraphQL APIs
• Proficiency with Git and modern version control workflows (branching, merging, pull requests)
• Familiarity with responsive design and cross-browser compatibility
• Experience with build tools such as Webpack, Vite, or Nx
• Familiarity with authentication and authorization standards such as OAuth 2.0 and OpenID Connect
• Experience working in Agile environments using JIRA and Confluence

Preferred Qualifications

• Master’s degree in Computer Science or a related field
• Experience in designing UI mock ups with prototype tools like Figma or Adobe XD
• Experience with state management libraries (Redux, React Query, Zustand, NgRx, or Recoil)
• Experience writing and maintaining automated frontend tests using Cypress, Playwright, or Jest
• Familiarity with CI/CD pipelines for frontend builds and deployments
• Experience with performance monitoring and analytics tools (Devtools, Lighthouse, App Dynamics, etc.)