User Interface Designer

Job Title: UX/UI Designer

Duration: 4 months initially (extension likely)

Workload: Halftime workload (5 days, 4 hours per day)

Setup: Freelance (Daily rate / Limited Company / Umbrella / Sole Trader)

Location: Brussels (Hybrid on‑site at HQ)

We are looking for a UX/UI Designer to support the evolution of an in‑house digital product suite by delivering intuitive, accessible, and visually engaging experiences.

Key Responsibilities:

• Conduct user research using interviews, observations, workshops, and other qualitative methods.
• Create clear documentation and present research insights to stakeholders.
• Translate requirements into user flows, wireframes, and multiple design proposals.
• Build high‑fidelity prototypes and detailed designs in Figma, leveraging advanced features (auto‑layout, components, variables, styles).
• Maintain and evolve a design system in collaboration with developers, designers, and product teams.
• Contribute across the entire product design lifecycle: discovery, ideation, prototyping, design, and implementation.

Must‑Have Skills:

• Proven experience in user research, UX design, UI design, and design system management.
• Expert‑level proficiency in Figma.
• Strong visual design capability and attention to detail.
• Excellent communication skills in English.
• Experience working within digital product teams in large organisations.
• Basic understanding of web technologies.
• Strong stakeholder alignment and team collaboration skills.

Nice‑to‑Have:

• Knowledge of Dutch or French.
• Background in the energy sector.