Senior UX Designer

HumanInTech; Brussel Hoofdstad; Hybride; EUR 60 000 - 80 000; Plein temps

Résumé du poste

HumanInTech is seeking an experienced UX designer in Brussels for a three-month assignment in a public-sector setting. You will design user-friendly interfaces, maintain the design system, ensure accessibility, and collaborate with multidisciplinary teams to deliver consistent, inclusive solutions.

The role offers a hybrid work arrangement, full-time engagement, and the opportunity to influence projects from research through to implementation within a public-service environment.

Qualifications

• Confirmed experience as a UX designer with a strong portfolio.
• Experience in designing, managing and maintaining design systems.
• Proficiency in design tools such as Figma, Sketch, Mockplus or similar.
• Knowledge of WCAG 2.1 accessibility standards.
• Bilingual proficiency in French and Dutch (active knowledge).
• Active knowledge of English.

Responsabilités

• Design user-friendly interfaces and improve UX for applications and websites for a Belgian public-sector organisation.
• Maintain and develop the design system to ensure consistency, accessibility and up-to-date guidelines.
• Participate in needs analysis to understand user requirements and environments.
• Define research methods and recruit participants for user studies.

Connaissances

UX design

Design systems

Figma

Wireframing

User research

WCAG 2.1

Formation

Bachelor's degree

Outils

Figma

Sketch

Mockplus

Description du poste

What you will do

As an experienced UX designer, you will design user-friendly interfaces and continuously improve the user experience of applications and websites for a Belgian public-sector organisation.

You will pay particular attention to maintaining and developing the design system. You will ensure that components, patterns and guidelines remain consistent, accessible and up to date, and you will support teams in using them correctly.

Specifically, you will:

• Participate in needs analysis and get to know the users and their environment to determine application requirements
• Define and plan research methods and help recruit participants to gather necessary information (interviews, surveys, focus groups, user testing, etc.)
• Propose the most suitable solution and design low and high fidelity interfaces using a mobile-first approach
• Assist analysts and developers in designing user interfaces and ensure that the developed application meets the requirements of users and their environment
• Ensure that the graphic design of applications complies with accessibility standards
• Contribute actively to the design, management and maintenance of design systems and their evolution
• Maintain regular and effective communication with clients and the team throughout projects

What we are looking for

• Confirmed experience as a UX designer with a strong portfolio (applications without a portfolio will not be considered)
• Experience in designing, managing and maintaining design systems
• Proficiency in design tools such as Figma, Sketch, Mockplus or similar
• Knowledge of WCAG 2.1 accessibility standards
• Bilingual proficiency in French and Dutch (active knowledge)
• Active knowledge of English
• Strong communication skills and ability to work collaboratively with multidisciplinary teams

The setting

This assignment runs for three months, starting as soon as possible and ending on 31 December 2026. The role is based in Brussels with a hybrid working arrangement. You will work full-time in a public-sector environment where accessibility and user-centred design are priorities.

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

Location: Brussels, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): October 9, 2026 at 2:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 6-10 years or more

Education: Bachelor's or more

Published: October 2026