Senior UI/UX Designer: Design Systems & Accessibility

Uni Systems; Brussel Hoofdstad; On-site; EUR 65,000 - 90,000; Full time

Job summary

Uni Systems is seeking an experienced UI/UX Designer to join the UniQue team. The role focuses on translating business and user requirements into accessible, visually coherent interfaces while balancing usability, functionality, and aesthetics.

You will analyze user journeys, create wireframes and prototypes, and design responsive web and mobile interfaces. You will also develop design systems and collaborate with developers and accessibility experts to ensure accurate implementation.

Qualifications

• 15+ years of UI/UX design and web interface development experience.
• Master's or Bachelor's degree in IT or related field.
• Strong UX research methods and user-centered design experience.
• Proficient in wireframing, prototyping, and design systems.
• Experience with accessibility WCAG standards and responsive web design.
• Proficient in front-end basics (HTML5, CSS3/SCSS, JavaScript) and modern frameworks.
• Experience with Confluence and Jira in Agile environments.

Responsibilities

• Translate requirements into intuitive UI/UX solutions balancing usability and aesthetics.
• Analyze user journeys via heuristic reviews, task analysis, and analytics.
• Create wireframes, mockups, and high-fidelity interactive prototypes.
• Design responsive web and mobile interfaces with clear IA and navigation patterns.
• Develop and maintain design system components, style guides, and assets.
• Plan usability evaluations and user testing with severity ratings and actionable suggestions.
• Prepare developer handoff deliverables and collaborate with developers and accessibility experts

Skills

User research

Persona creation

User journey mapping

UX analysis

Wireframes

Prototypes

Design systems

WCAG accessibility

Collaboration

Handoff documentation

Front-end basics

Figma

HTML5/CSS3/JS

React/Angular/Vue

Confluence/Jira

Education

Master's degree in information technology

Bachelor's degree in information technology

Tools

Figma

Adobe Photoshop

Adobe XD

Illustrator

HTML5

CSS3/SCSS

JavaScript

React

Angular

Vue.js

Confluence

Jira

Job description

Uni Systems is seeking an experienced UI/UX Designer to join the UniQue team. The role focuses on translating business and user requirements into accessible, visually coherent interfaces while balancing usability, functionality, and aesthetics.

You will analyze user journeys, create wireframes and prototypes, and design responsive web and mobile interfaces. You will also develop design systems and collaborate with developers and accessibility experts to ensure accurate implementation.