1000000549.UX/UI DESIGNER SENIOR.INFO TECH SERVICES

About the position

Leads the creation of exceptional, accessible, and user-centric digital experiences across Dallas County systems. Develops intuitive user interfaces, conducts user research, applies visual design systems, and supports agile development efforts. Works across cross-functional teams to ensure public-facing and internal solutions are seamless, compliant, and aligned with the County's digital strategy.

Responsibilities

• Leads the design and execution of wireframes, prototypes, and high-fidelity mockups across web and mobile platforms.
• Delivers design artifacts that meet usability, branding, and technical requirements for digital solutions.
• Ensures accessibility and Section 508/WCAG compliance is integrated in all designs.
• Maintains and evolves the County's design systems and reusable component libraries.
• Translates user needs and product requirements into effective UI/UX deliverables.
• Provides design specifications and assets to development teams for implementation.
• Conducts heuristic evaluations to identify friction points in user journeys.
• Optimizes interfaces for performance, responsiveness, and scalability.
• Leverages analytics and usage data to refine designs post-launch.
• Participates in product planning sessions to define project scope and success metrics.
• Translates business goals into actionable user interface and interaction strategies.
• Leads or supports discovery workshops to surface user needs and pain points.
• Designs user journeys and information architecture to support intuitive workflows.
• Applies design thinking and learns UX principles to explore and validate concepts.
• Contributes to UX roadmaps and release plans in coordination with product management.
• Estimates level of effort for design tasks during sprint planning and backlog grooming.
• Documents design decisions and rationales for knowledge transfer and continuity.
• Supports user story creation and backlog refinement with a user-centric lens.
• Aligns design work with digital transformation priorities and enterprise architecture.
• Conducts usability testing and A/B testing to validate and refine design solutions.
• Facilitates design reviews and peer critiques to ensure quality and consistency.
• Maintains up-to-date knowledge of UI/UX trends, tools, and emerging practices.
• Integrates user feedback and system analytics into iterative design improvements.
• Implements version control for design files to ensure traceability and clarity.
• Supports post-release retrospectives to identify lessons learned and areas to improve.
• Uses metrics and KPIs to evaluate the success of design decisions.
• Recommends changes to existing applications to improve usability and user satisfaction.

Requirements

• Education and experience equivalent to a Bachelor's degree from an accredited college or university in Human-Computer Interaction (HCI), Visual Design, Psychology, Computer Science, or a job-related field.
• Three (3) years of work-related experience in UX/UI design with a track record of impactful work.
• Experience with public sector, healthcare, or large enterprise applications is preferred.
• Certifications (Preferred): NN/g UX Certification, Certified UX Designer (CXA), Google UX Design Certificate, UX Research Certificate.
• Skill in Figma, Adobe XD, Sketch, or similar design tools.
• Knowledge of UX best practices, accessibility standards (WCAG, Section 508), and design ethics.
• Knowledge of information architecture, interaction design, and visual hierarchy.
• Knowledge of HTML/CSS for prototyping or developer collaboration.
• Skill in problem-solving and a user-first mindset.
• Knowledge of communication and facilitation skills across technical and non-technical audiences.
• Ability to translate abstract ideas and requirements into tangible user experiences.
• Knowledge of organizational skills and attention to detail.
• Skill in design systems such as Material Design or US Web Design System (USWDS).
• Knowledge of Atlassian tools (Jira, Confluence) and accessibility audit tools.
• Ability to design responsive interfaces for web and mobile platforms.
• Skill in usability testing and user research methodologies.
• Knowledge of agile development environments and iterative design.
• Ability to handle multiple design projects simultaneously.
• Skill in showcasing both UX process and visual UI execution.
• Skill in collaborating directly with software engineers and product owners.