UI Designer

Brussel · Voltijds

Over de functie

Mission Overview

As part of the evolution of our client’s business applications, we are seeking a UI Designer to create user-friendly, consistent, and accessible interfaces. This position is a consultancy mission at a client site representing Keystone Solutions, where you will collaborate closely with business, product, and development teams.

Key Responsibilities

  • Design the visual identity of interfaces, high-fidelity mockups, and interactive prototypes.
  • Ensure graphic consistency, digital accessibility (WCAG standards), and adaptability (responsive design) of applications.
  • Translate user journeys and wireframes into final interfaces ready for development.
  • Create, maintain, and evolve the Design System and UI standards.
  • Actively participate in user testing and contribute to the synthesis of results to optimize interfaces.
  • Collaborate with Product Owners, Business Analysts, UX Designers, and development teams in an Agile environment.
  • Integrate the framework provided by management, enterprise architects, or business analysts into visual design.

Required Skills

  • Proven experience in UI Design for web or business applications.
  • Mastery of Agile methodologies (Scrum, Kanban).
  • Excellent communication, listening, and collaboration skills with developers (UI hand-off).
  • Ability to translate concepts and functional journeys into clear, modern, user-centered visual interfaces.
  • Expertise in creating graphic charters, typography, iconography, and interface components (UI kits).
  • Mastery of composition rules, color theory, and visual hierarchy.
  • Skills or sensitivity in UX Design (user research, wireframing) are a major asset.

Tools

  • Figma (Mandatory)
  • ZeroHeight

Duration: As soon as possible - 31/12/2026 3 months • (full time)

Skills required

  • AgileJunior
  • FigmaExpert · dit jaar gebruikt
  • SCRUMJunior
  • SprintJunior · dit jaar gebruikt
  • ZeroHeightExpert · dit jaar gebruikt

Language requirements

  • NederlandsNice to have
  • EngelsPassieve kennis
  • FransMoedertaal

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