OneSource Consulting
User Interface Designer
OneSource ConsultingBelgium3 days ago
Full-timeRemote FriendlyInformation Technology

Job Title: UI Designer

Location: Brussels, Belgium (Hybrid)

Language: English, Dutch or French

Duration: ASAP - 1 year with possible extension

Job Description - Roles and Responsibilities

Interface design and eager to make a difference in one of the best banking apps in the world

Developing components, design guidelines, and collaborating with fellow designers and developers to help build and elevate the Aurum design system.

The Job in a Nutshell:

Together with two design colleagues and a team of developers, you’ll ensure that the design language is consistent, accessible, and future-proof.

Your responsibilities:

  • Designing and managing components
  • Aligning Aurum with our branding guidelines
  • Supporting fellow designers in using Aurum
  • Ensuring accessibility and conducting evaluations based on current accessibility standards
  • Writing documentation and guidelines to make Aurum easy to use for both designers and developers
  • Collaborating closely with frontend developers (mobile and web)
  • Launching new ideas and improving processes to enhance Aurum’s impact

You Don’t Need to Be a Unicorn

But you can become one with us. You’ll have the space to spread your wings if you meet the following criteria:

  • At least 5 years of experience as a designer on digital projects, and 2 years working with design systems
  • You’re a Figma expert (components, variables, design tokens)
  • You can write concise and clear guidelines
  • You have a portfolio that demonstrates systematic thinking, polished UI work, and attention to accessibility – for both mobile (iOS & Android) and web
  • You have excellent knowledge of accessibility guidelines and can perform evaluations at both component and page level
  • You’re proactive and take initiative to suggest improvements
  • You’ve worked on complex digital products and understand the possibilities and limitations of frontend technologies – either through hands-on coding skills or collaboration experience with developers
  • You’re a strong communicator, a team player, and can justify your decisions and convince stakeholders
  • You speak fluent Dutch or French in a professional context and understand the other language sufficiently. You also have good spoken and written English skills

Bonus Points For:

  • Experience with Design Ops in a corporate context
  • Experience applying AI in your work
  • Original ideas to strengthen the design team

Key Skills

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