Front End Web Developer (TS/SCI) at Xcellent Technology Solutions Quantico, VA

Ellenco Estágios e Treinamentos; Quantico (VA); On-site; USD 95,000 - 105,000; Full time

Benefits offered by this job

Healthcare benefits

PTO and federal holidays

401(k) matching

Insurance (disability, life, cancer, z

Job summary

XTS is seeking a Front End Web Developer (TS/SCI) in Quantico to design and implement front-end components for a production web application that interfaces with enterprise back-end services. You will help users access structured and geospatial data with responsive, accessible interfaces.

The role emphasizes integrating with REST APIs, improving usability and performance, and delivering data visualization features using D3.js or ArcGIS API for JavaScript in an enterprise DoD context.

Qualifications

• Active TS/SCI clearance required.
• Bachelor's degree in Computer Science or related discipline.
• 4+ years of front-end web development experience with enterprise APIs.
• Experience building responsive SPAs with modern JS frameworks.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3.
• Experience consuming REST APIs and integrating with back-end services.
• Experience with enterprise systems and data-driven applications.
• Experience with interactive data visualization (D3.js or ArcGIS JS).
• Strong UI/UX principles and accessibility (Section 508).
• Familiarity with npm/yarn, Webpack/Vite, and Git.

Responsibilities

• Design and build front-end components for a production web application.
• Integrate front-end with REST APIs and back-end services for seamless UX.
• Improve usability, performance, and accessibility across the platform.
• Support interactive data visualization features for complex information.
• Ensure compliance with accessibility standards and modern UI/UX practices.

Skills

Active TS/SCI clearance

JavaScript (ES6+)

TypeScript

HTML5 & CSS3

REST API integration

UI/UX mindset

Section 508 accessibility

Git & build tools

SPA frameworks (React/Vue/Angular)

Data visualization (D3.js / ArcGIS JS)

Education

Bachelor's degree in Computer Science or related discipline

Tools

Git

Webpack/Vite

npm/yarn

ArcGIS API for JavaScript

D3.js

Job description

Front End Web Developer | TS/SCI

Quantico, VA

Overview

This role supports analysts and mission partners within the Marine Corps Intelligence Activity (MCIA) and across the broader Department of Defense (DoD) and Intelligence Community (IC) by building web-based interfaces used to access and visualize complex data. The applications you develop help users interact with structured and geospatial data in support of operational decision-making. In this role, you will design and build front-end components for a production web application, improving how users interact with critical information in an enterprise environment. A key part of the work involves integrating front-end applications with REST APIs and back-end services to deliver seamless and reliable user experiences across the system. You will also contribute to improving usability, performance, and accessibility, while supporting interactive data visualization features that help users better understand and act on complex information. While the platform supports geospatial intelligence workflows, the focus of this role is on front-end development, system integration, and user experience within a modern web application.

Salary Range

$95,000 - $105,000

Requirements

• Active TS/SCI clearance
• Bachelor's degree in Computer Science or related discipline
• 4+ years of professional experience in front-end web development, with demonstrated experience integrating with enterprise back-end systems via APIs
• Strong experience building responsive, single-page web applications using a modern JavaScript framework (e.g., React, Vue.js, Angular)
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3
• Experience working with REST APIs and back-end services
• Experience working with enterprise systems, including data-driven applications and service integrations (e.g., ITSM platforms, geospatial data services)
• Experience building or supporting interactive data visualization features using libraries such as D3.js or ArcGIS API for JavaScript
• Strong understanding of UI/UX principles and user-centered design
• Experience developing accessible web applications in compliance with Section 508 standards
• Familiarity with modern front-end development tools, including package managers (npm/yarn), build tools (Webpack/Vite), and Git version control

Desired

• Certifications in modern JavaScript frameworks (e.g., React, Vue.js) or web accessibility (e.g., DHS Trusted Tester)

Why XTS?

XTS is a veteran owned company focused on mission success and professional growth. We foster a collaborative environment and invest in our people so they can thrive while supporting critical national security missions.

Benefits Include

• Flexible healthcare, dental, and vision plans
• Paid time off (PTO) and 11 federal holidays
• Matching 401(k) plan
• Short- and long-term disability, life insurance, cancer insurance, and pet insurance
• Ongoing professional development and advancement opportunities