Senior UI/UX Engineer for Mission-Critical Gov Apps

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

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k)

PTO

Sick leave

Federal holidays

Job summary

Zachary Piper Solutions is seeking a Senior UI/UX Software Engineer to modernize mission-critical government applications. This role blends user experience design, frontend development, and information architecture to create intuitive interfaces for complex operational environments.

The position is hybrid and based in Reston, VA (with potential work at nearby DC-area locations). You will collaborate with engineers, designers, and end users to build reusable components and design systems using

Qualifications

• Active TS/SCI Clearance with the ability to obtain or maintain a Polygraph.
• 13+ years of relevant experience in UI/UX design, frontend development, or application modernization.
• Strong expertise in UI/UX design principles, usability testing, and human-centered design methodologies.
• Proficiency with HTML, CSS, JavaScript, and Figma.
• Experience developing reusable components, design systems, and frontend architectures.
• Strong communication skills with the ability to engage both technical and non-technical stakeholders.

Responsibilities

• Translate mission and technical requirements into wireframes, user flows, prototypes, and intuitive user experiences.
• Conduct user research, usability testing, and workflow analysis to improve application effectiveness.
• Develop and maintain reusable UI components and design systems
• Design information architectures, navigation structures, and interfaces that simplify complex workflows and datasets.
• Ensure consistency across applications through standardized design patterns and UX best practices.
• Implement and maintain Section 508 accessibility compliance standards.
• Collaborate within Agile/Scrum teams to support sprint planning, user stories, testing, documentation, and releases.
• Support modernization, sustainment, and enhancement efforts for mission-critical applications.

Skills

UI/UX design

Usability testing

Design systems

Frontend architectures

Wireframing

Stakeholder communication

Education

Bachelor's degree in a relevant field

Tools

React

Angular

Vue

HTML

CSS

JavaScript

Figma

Adobe XD

Node.js

AWS

Job description

Zachary Piper Solutions is seeking a Senior UI/UX Software Engineer to modernize mission-critical government applications. This role blends user experience design, frontend development, and information architecture to create intuitive interfaces for complex operational environments.

The position is hybrid and based in Reston, VA (with potential work at nearby DC-area locations). You will collaborate with engineers, designers, and end users to build reusable components and design systems using