Sr. UI/UX Developer/Architect/Design engineer

RibbitZ LLC; Des Moines (IA); On-site; USD 95,000 - 130,000; Full time

Job summary

RibbitZ LLC seeks a Sr. UI/UX Developer/Architect to lead accessibility and design systems across enterprise applications. You will build a scalable, reusable component library using USWDS (or similar), Angular, HTML, SASS, and Storybook for development, documentation, and testing.

The role requires 5+ years of front-end experience, expertise in semantic HTML, ARIA roles, accessibility testing workflows, and strong communication skills to mentor teams and drive consistency across projects.

Qualifications

• 5+ years of professional front-end development experience.
• Proven ability to set up and integrate enterprise design systems and reusable component libraries.
• Strong expertise in WCAG 2.1/AAA, ARIA roles, semantic HTML, and accessibility testing workflows.

Responsibilities

• Build, document, and maintain a scalable design system and reusable component library.
• Develop high-level wrapper components using HTML, CSS (SASS), and Angular.
• Ensure all components meet WCAG 2.1/AAA accessibility standards and testing workflows.
• Use Storybook for development, documentation, testing, and collaboration.
• Mentor developers and participate in code reviews and accessibility audits.

Skills

Front-end development

Accessibility

Design systems

Angular

Semantic HTML

ARIA roles

Storybook

Cross-functional collaboration

Education

Bachelor's Degree

Tools

USWDS

Storybook

Job description

Job Title: Sr. UI/UX Developer/Architect/Design engineer

Interview Type: In Person Interview

You will be the accessibility, and design systems lead for multiple high-visibility state enterprise systems that must meet federal WCAG 2.1/AAA compliance. The core work is building a scalable, reusable component library from scratch using USWDS (or similar enterprise design system), Angular, HTML, SASS, and Storybook for development, documentation, and testing. You need 5+ years of front-end experience with proven expertise in semantic HTML, ARIA roles, accessibility testing workflows, and creating high-level wrapper components that ensure consistency and accessibility. Strong experience creating and integrating enterprise design systems and reusable libraries is mandatory. Beyond coding, you will partner with cross-functional teams, mentor developers new to accessibility, participate in code reviews and accessibility audits, and ensure all front-end assets are accessible, reusable, scalable, and sustainable. Strong communication skills are critical, with preferred backend knowledge in .NET, MVC, and SQL, and a bachelor's degree is required.

Senior UI/UX Developer/Architect Overview

• The Senior UI/UX Developer/Architect will provide accessibility and enterprise design system expertise across multiple enterprise systems
• The role is critical to developing accessible, reusable, scalable, and consistent components that meet federal WCAG 2.1 accessibility requirements, including requirements up to AAA where applicable
• The successful candidate will have a proven track record of creating and implementing design systems from scratch and integrating enterprise-level design systems across modern applications
• This position will focus on developing, documenting, and testing reusable components using Storybook, as well as implementing high-level wrapper components that promote accessibility, consistency, and uniformity
• The role will support high-visibility enterprise projects that must meet federal WCAG compliance requirements by the applicable deadline
• The ideal candidate is an expert in accessibility-focused component development and enterprise design systems who thrives in a collaborative environment
• This individual will partner with developers from multiple teams, including individuals who may be new to accessibility and design system best practices, to promote adherence to accessibility and UX standards
• The position requires strong communication skills and the ability to lead cross-functional collaboration while ensuring front-end assets are accessible, reusable, compliant, and sustainable
• The successful candidate will play a pivotal role in meeting federal accessibility requirements while supporting the long-term sustainability of the enterprise design system across multiple agencies

Job Duties

• Build, document, and maintain a scalable design system and reusable component library using the U.S. Web Design System (USWDS) framework or similar enterprise systems
• Develop high-level wrapper components using HTML, SASS, and Angular to ensure consistency and accessibility across web applications and enterprise systems
• Develop accessible, reusable, and scalable UI components
• Ensure all components and UI patterns meet WCAG 2.1/AAA accessibility standards through semantic HTML, ARIA roles, and accessibility testing workflows
• Use Storybook for component development, documentation, testing, and collaboration with cross-functional teams
• Partner with developers from other teams to drive adherence to accessibility and UX standards
• Provide accessibility and UX support for major enterprise systems to ensure compliance with mandated requirements
• Participate in code reviews, accessibility audits, and UX discussions
• Ensure the quality, usability, accessibility, and consistency of front-end assets
• Collaborate across teams to establish and maintain enterprise design system best practices
• Mentor and support developers who are new to accessibility and design system best practices
• Support the immediate need for accessibility and design system expertise across multiple enterprise systems
• Contribute to the long‑term sustainability and adoption of reusable design system components across multiple agencies

Required Qualifications/Skills/Experience

• 5+ years of professional front-end development experience
• Proven ability to set up and integrate enterprise design systems, including high‑level wrapper components and reusable component libraries
• Strong expertise in WCAG 2.1/AAA standards, ARIA roles, semantic HTML, and accessibility testing tools
• Proficiency in HTML, SASS, and Angular
• Experience using Storybook for component development, documentation, and collaboration
• Strong understanding of UX best practices and accessible user interface design
• Experience with USWDS or other enterprise-level design systems
• Proven experience creating and implementing design systems from scratch
• Ability to develop accessible, reusable, and scalable components
• Exceptional communication and collaboration skills
• Ability to partner with developers across teams to promote accessibility and design system best practices
• Experience participating in code reviews, accessibility audits, and UX discussions
• Ability to support accessibility compliance and user experience standards across enterprise applications

Specific Details to Call Attention To

• 5+ years of professional front-end development experience is required
• Strong WCAG 2.1/AAA accessibility expertise is critical
• Hands‑on experience with enterprise design systems and reusable component libraries is required
• Experience creating and implementing a design system from scratch is highly important
• Angular, HTML, and SASS experience is required
• Storybook experience is required for component development, documentation, and collaboration
• Strong knowledge of semantic HTML, ARIA roles, and accessibility testing workflows is required
• Experience with USWDS or a comparable enterprise design system is required
• Strong communication and cross‑functional collaboration skills are critical
• The candidate must be capable of working with developers who may be new to accessibility and design system best practices
• The role will support multiple high‑visibility enterprise systems with federal WCAG compliance requirements
• The candidate will be expected to contribute to accessible, reusable, scalable, and sustainable front‑end assets
• Preferred backend experience includes .NET, MVC, and SQL

Required Education

• Bachelor's Degree