Senior Frontend Engineer: Accessible, High-Performance UI

SAIC; Tennessee; On-site; USD 100,000 - 130,000; Full time

Job summary

SAIC is seeking a Front-End Specialist to design and build accessible, high-performing UIs that present products and content to Congress and the public from our Tennessee-based teams. You will apply modern JavaScript frameworks with a focus on accessibility and quality.

You will design, develop, and maintain responsive interfaces with HTML5, CSS3, and React or Angular; integrate with back-end services via REST/JSON APIs; build Drupal-based themes and components; and enforce design standards

Qualifications

• Bachelor's degree or equivalent in CS/IT or related field.
• 8+ years of front-end/UI development experience.
• Expert HTML5, CSS3, and JavaScript (ES6+).
• Strong React and/or Angular experience with state management and API integration.
• Experience building and consuming REST/JSON APIs.
• Experience with responsive design, CSS preprocessors, and build tools (npm, Webpack, Vite).
• Strong WCAG/Section 508 knowledge and testing experience.
• Drupal theming (Twig) or other CMS front ends experience.
• Experience with UX/UI tools and Google Analytics.
• Basic PHP knowledge.
• Experience in federal or government web environments.

Responsibilities

• Design, develop, and maintain accessible UIs using HTML5, CSS3, and modern JS frameworks such as React or Angular.
• Integrate front-end applications with back-end services through REST/JSON APIs.
• Develop and maintain themes and front-end components for Drupal-based and other CMS-driven websites.
• Build reusable component libraries and enforce consistent design and coding standards.
• Ensure all front-end deliverables comply with Section 508 and WCAG 2.x testing.
• Optimize page performance, cross-browser compatibility, and mobile responsiveness.
• Write unit and end-to-end tests; participate in CI/CD pipelines and security scanning.
• Collaborate with back-end developers, Information Management staff, and stakeholders.
• Mentor junior developers and recommend front-end tools and best practices.
• Follow SOPs and recommend improvements to repeatable processes.
• Collaborate with Information Management staff, system developers, QA, and security teams.

Skills

HTML5

CSS3

JavaScript ES6+

React

Angular

REST API

Drupal theming

WCAG accessibility

Testing (unit & E2E)

CI/CD

Education

Bachelor's degree or equivalent (CS/IT)

Tools

npm

Webpack

Vite

Twig

Drupal (Twig)

Google Analytics

Job description

SAIC is seeking a Front-End Specialist to design and build accessible, high-performing UIs that present products and content to Congress and the public from our Tennessee-based teams. You will apply modern JavaScript frameworks with a focus on accessibility and quality.

You will design, develop, and maintain responsive interfaces with HTML5, CSS3, and React or Angular; integrate with back-end services via REST/JSON APIs; build Drupal-based themes and components; and enforce design standards