Senior UX Designer

Mission Overview:

As a Senior UX Designer, you will be engaged in a consultancy mission at a client site representing Keystone Solutions. Your role involves designing user-friendly interfaces and continuously improving the user experience of applications.

You will pay particular attention to the maintenance and development of the design system. You will ensure that components, patterns, and guidelines remain consistent, accessible, and up-to-date, while supporting teams in their correct usage.

Specifically, you will participate in needs analysis and ensure you understand users and their environment to best determine application requirements.

You will determine and plan research methods and assist in recruiting participants to gather necessary information (interviews, surveys, focus groups, user testing, etc.).

You will propose the most suitable solution and design low and high fidelity interfaces (mobile-first prototyping).

You will assist analysts and developers in designing user interfaces and ensure that the developed application meets user requirements and their environment.

You will ensure that the graphic design of applications complies with accessibility standards.

You have experience in designing, managing, and maintaining design systems and actively contribute to their evolution.

Throughout projects, you will maintain regular and effective communication with clients and the team.

You are bilingual (French and Dutch).

Key Responsibilities:

• Design user-friendly interfaces and improve user experience.
• Maintain and develop the design system.
• Conduct needs analysis and understand user environments.
• Plan research methods and recruit participants.
• Design low and high fidelity interfaces.
• Assist in user interface design and ensure compliance with user requirements.
• Ensure graphic design meets accessibility standards.
• Communicate effectively with clients and team members.

Why Join Keystone Solutions:

• Consultancy Nature: Focus on on-site work and embrace your consultant identity.
• Dynamic Projects: Engage with diverse challenges across various client environments.
• Turbo-Charged Learning: Experience professional development and broad learning opportunities.
• Skyrocketing Ambition: Commit to your career growth within our framework.
• Values: As a
  

  If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal .

  Duration: As soon as possible - 31/12/2026 4 months • (full time)

  Skills required:

  • Axure - Level: Confirmed - Most recent: Any time
  • Conceptboard - Level: Confirmed - Most recent: Any time
  • figma - Level: Confirmed - Most recent: Any time
  • Mentimeter - Level: Confirmed - Most recent: Any time
  • WCAG 2.1 - Level: Confirmed - Most recent: Any time

  Language requirements:

  Dutch
  Level Active knowledge
  English
  Level Active knowledge
  French
  Level Native