Senior UI/UX Engineer for Mission-Critical Gov Apps

Zachary Piper Solutions; Reston (VA); Hybrid; USD 170,000 - 190,000; Full time

Job summary

Zachary Piper Solutions seeks a Senior UI/UX Software Engineer to modernize mission-critical government apps. The role blends UX design, frontend development, and IA to deliver user-centric solutions in secure environments.

You will craft wireframes, run usability tests, and build scalable UI systems, working with Agile teams in hybrid settings. Applicants should have TS/SCI with polygraph eligibility, 13+ years in UI/UX or related fields, and strong HTML/CSS/JavaScript and Figma skills.

Qualifications

• Active TS/SCI clearance with ability to obtain polygraph.
• 13+ years of UI/UX design, frontend development, or modernization experience.
• Strong UI/UX design principles, usability testing, and human-centered design.
• Proficiency with HTML, CSS, JavaScript, and Figma.
• Experience building reusable components, design systems, and frontend architectures.
• Strong communication with both technical and non-technical stakeholders.

Responsibilities

• Translate mission requirements into wireframes, flows, and intuitive UI.
• Conduct user research, usability testing, and workflow analysis.
• Develop and maintain reusable UI components and design systems.
• Design information architectures and navigation for complex workflows.
• Ensure consistency via standardized UX patterns and accessibility.
• Implement Section 508 accessibility compliance standards.
• Collaborate in Agile/Scrum teams for sprints, stories, testing, and releases.
• Support modernization, sustainment, and enhancements of mission-critical apps.

Skills

UX design principles

User research

Usability testing

Human-centered design

Communication skills

Tools

HTML

CSS

JavaScript

Figma

Design systems

Job description

Zachary Piper Solutions seeks a Senior UI/UX Software Engineer to modernize mission-critical government apps. The role blends UX design, frontend development, and IA to deliver user-centric solutions in secure environments.

You will craft wireframes, run usability tests, and build scalable UI systems, working with Agile teams in hybrid settings. Applicants should have TS/SCI with polygraph eligibility, 13+ years in UI/UX or related fields, and strong HTML/CSS/JavaScript and Figma skills.